/* ═══════════════════════════════════════════════════════════════
   Trenzaq — style.css
   Extracted from index.html inline <style> block so markup and
   styling live in separate files. Loaded via <link rel=stylesheet>
   in the <head>. Old style.css (pre-rebrand, unused/unlinked) has
   been replaced by this file.
═══════════════════════════════════════════════════════════════ */

:root{
  --bg:#08080e;--s1:#0d0d18;--s2:#131320;--s3:#191928;
  --b1:rgba(110,70,255,.2);--b2:rgba(110,70,255,.09);--b3:rgba(110,70,255,.04);
  --ac:#6e46ff;--ac2:#a87fff;--glow:rgba(110,70,255,.28);
  --gr:#00d48a;--gr2:rgba(0,212,138,.1);
  --rd:#ff4560;--rd2:rgba(255,69,96,.1);
  --am:#f5a300;--am2:rgba(245,163,0,.1);
  --tx:#e6e6f0;--tx2:#6e6e90;--tx3:#2e2e45;
  --font:'Space Grotesk',sans-serif;--mono:'Space Mono',monospace;
  --icon-stroke:1.8;
}
html[data-theme="light"]{
  --bg:#f4f4fa;--s1:#ffffff;--s2:#f0f0f8;--s3:#e8e8f4;
  --b1:rgba(110,70,255,.18);--b2:rgba(110,70,255,.08);--b3:rgba(110,70,255,.04);
  --ac:#6e46ff;--ac2:#7a4fe8;--glow:rgba(110,70,255,.18);
  --gr:#00a672;--gr2:rgba(0,166,114,.1);
  --rd:#e0304a;--rd2:rgba(224,48,74,.08);
  --am:#c97e00;--am2:rgba(201,126,0,.08);
  --tx:#16162a;--tx2:#67678a;--tx3:#b8b8d0;
}
html[data-theme="light"] body{box-shadow:none}

/* ══════════ PREMIUM THEMES ══════════ */
html[data-theme="nebula"]{
  --bg:#0a0518;--s1:#120a26;--s2:#180f33;--s3:#1f1442;
  --b1:rgba(180,90,255,.22);--b2:rgba(180,90,255,.1);--b3:rgba(180,90,255,.05);
  --ac:#b45aff;--ac2:#e29bff;--glow:rgba(180,90,255,.32);
  --gr:#00e0c0;--gr2:rgba(0,224,192,.1);
  --rd:#ff5580;--rd2:rgba(255,85,128,.1);
  --am:#ffb85c;--am2:rgba(255,184,92,.1);
  --tx:#f0e6ff;--tx2:#9080b8;--tx3:#3a2a5c;
}
html[data-theme="worldcup"]{
  --bg:#04140c;--s1:#0a2418;--s2:#0f3020;--s3:#153c28;
  --b1:rgba(255,199,44,.25);--b2:rgba(255,199,44,.1);--b3:rgba(255,199,44,.05);
  --ac:#ffc72c;--ac2:#ffe27a;--glow:rgba(255,199,44,.3);
  --gr:#1fae5c;--gr2:rgba(31,174,92,.15);
  --rd:#e8433a;--rd2:rgba(232,67,58,.1);
  --am:#ffc72c;--am2:rgba(255,199,44,.12);
  --tx:#eafff0;--tx2:#7fae90;--tx3:#1a4030;
}
html[data-theme="cyber"]{
  --bg:#050510;--s1:#0a0a1c;--s2:#0f0f28;--s3:#151534;
  --b1:rgba(0,240,255,.25);--b2:rgba(0,240,255,.1);--b3:rgba(255,0,200,.06);
  --ac:#00f0ff;--ac2:#ff2ee6;--glow:rgba(0,240,255,.35);
  --gr:#39ff8f;--gr2:rgba(57,255,143,.12);
  --rd:#ff2e6e;--rd2:rgba(255,46,110,.12);
  --am:#ffee00;--am2:rgba(255,238,0,.1);
  --tx:#e8feff;--tx2:#6e88a0;--tx3:#1c2c40;
}
html[data-theme="cyber"] .bubble.cipher{color:#ff2ee6;border-color:rgba(255,46,230,.4)!important}
html[data-theme="halloween"]{
  --bg:#0d0705;--s1:#160c08;--s2:#1e120c;--s3:#281910;
  --b1:rgba(255,117,24,.25);--b2:rgba(255,117,24,.1);--b3:rgba(138,43,226,.08);
  --ac:#ff7518;--ac2:#c77dff;--glow:rgba(255,117,24,.32);
  --gr:#39ff14;--gr2:rgba(57,255,20,.1);
  --rd:#ff2e2e;--rd2:rgba(255,46,46,.1);
  --am:#ffb400;--am2:rgba(255,180,0,.1);
  --tx:#ffe8d6;--tx2:#b88a6e;--tx3:#3a241a;
}

html[data-theme="aces"]{
  --bg:#050505;--s1:#0d0c0a;--s2:#141210;--s3:#1c1916;
  --b1:rgba(212,175,55,.28);--b2:rgba(212,175,55,.12);--b3:rgba(212,175,55,.05);
  --ac:#d4af37;--ac2:#f4d160;--glow:rgba(212,175,55,.38);
  --gr:#2ec4b6;--gr2:rgba(46,196,182,.1);
  --rd:#ff3b3b;--rd2:rgba(255,59,59,.1);
  --am:#d4af37;--am2:rgba(212,175,55,.12);
  --tx:#f5f0e0;--tx2:#8a8270;--tx3:#2a2620;
}
html[data-theme="eclipse"]{
  --bg:#070a0e;--s1:#0d1219;--s2:#121a24;--s3:#19232f;
  --b1:rgba(111,208,224,.22);--b2:rgba(244,184,96,.1);--b3:rgba(111,208,224,.05);
  --ac:#6fd0e0;--ac2:#f4b860;--glow:rgba(111,208,224,.3);
  --gr:#39d98a;--gr2:rgba(57,217,138,.1);
  --rd:#ff5566;--rd2:rgba(255,85,102,.1);
  --am:#f4b860;--am2:rgba(244,184,96,.12);
  --tx:#eef6f8;--tx2:#7d94a0;--tx3:#233038;
}

/* ══════════════════════════════════════════════════════════════
   LIVING THEMES — ambient animated background layer
   #theme-fx sits fixed behind the whole app (z-index:0 — every real
   UI surface is position:relative/fixed with z-index ≥1, see .msgs,
   .chat-head, .sidebar, .input-bar). Each premium theme lights up its
   own child layer; free themes (dark/light) leave it fully transparent.
═══════════════════════════════════════════════════════════════ */
#theme-fx{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
#theme-fx > div{position:absolute;inset:-15%;opacity:0;transition:opacity 1.1s ease}

/* ---------- Nebula: drifting starfield + nebula clouds + shooting star ---------- */
html[data-theme="nebula"] .fx-stars{opacity:1}
.fx-stars{
  background-image:
    radial-gradient(650px circle at 22% 20%, rgba(180,90,255,.20), transparent 60%),
    radial-gradient(550px circle at 78% 70%, rgba(0,224,192,.12), transparent 60%),
    radial-gradient(480px circle at 55% 45%, rgba(226,155,255,.14), transparent 55%);
  animation: nebulaClouds 22s ease-in-out infinite alternate;
}
.fx-stars::before{
  content:'';position:absolute;inset:0;
  background-image:
    radial-gradient(1.5px 1.5px at 20% 30%, #fff, transparent),
    radial-gradient(1px 1px at 70% 15%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 40% 70%, #e2c8ff, transparent),
    radial-gradient(1px 1px at 85% 60%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 10% 85%, #fff, transparent),
    radial-gradient(2px 2px at 60% 45%, #cba3ff, transparent),
    radial-gradient(1px 1px at 92% 90%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 50% 5%, #fff, transparent);
  background-repeat:repeat;background-size:420px 420px;
  animation: nebulaDrift 110s linear infinite, nebulaTwinkle 4s ease-in-out infinite alternate;
}
.fx-stars::after{
  content:'';position:absolute;top:8%;left:-10%;width:140px;height:2px;
  background:linear-gradient(90deg, transparent, #fff, transparent);
  border-radius:2px;transform:rotate(18deg);opacity:0;
  filter:drop-shadow(0 0 6px #fff);
  animation:shootingStar 9s ease-in infinite;animation-delay:2s;
}
@keyframes nebulaClouds{from{transform:translate(0,0) scale(1)}to{transform:translate(-3%,2%) scale(1.05)}}
@keyframes nebulaDrift{from{background-position:0 0}to{background-position:1000px 700px}}
@keyframes nebulaTwinkle{from{filter:brightness(.85)}to{filter:brightness(1.3)}}
@keyframes shootingStar{
  0%,80%{opacity:0;transform:translate(0,0) rotate(18deg)}
  82%{opacity:1}
  92%{opacity:0;transform:translate(120vw,55vh) rotate(18deg)}
  100%{opacity:0}
}

/* ---------- Cyber: perspective neon grid + scanline sweep + glitch flicker ---------- */
html[data-theme="cyber"] .fx-grid{opacity:1}
.fx-grid{
  background-image:
    linear-gradient(rgba(0,240,255,.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,240,255,.16) 1px, transparent 1px);
  background-size:48px 48px;
  transform:perspective(500px) rotateX(55deg) scale(2);
  transform-origin:center top;
  animation:gridScroll 6s linear infinite;
  -webkit-mask-image:linear-gradient(to bottom, transparent, black 25%, black 70%, transparent);
  mask-image:linear-gradient(to bottom, transparent, black 25%, black 70%, transparent);
}
.fx-grid::before{
  content:'';position:absolute;left:0;right:0;height:2px;top:-2%;
  background:linear-gradient(90deg, transparent, #00f0ff, #ff2ee6, transparent);
  box-shadow:0 0 12px 2px rgba(0,240,255,.6);
  animation:scanlineSweep 3.5s linear infinite;
}
.fx-grid::after{
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(to bottom, rgba(0,240,255,.03) 0 2px, transparent 2px 4px);
  animation:glitchFlicker 5s steps(1) infinite;
}
@keyframes gridScroll{from{background-position:0 0}to{background-position:0 48px}}
@keyframes scanlineSweep{0%{top:-2%}100%{top:102%}}
@keyframes glitchFlicker{
  0%,93%,100%{opacity:1;transform:translateX(0)}
  94%{opacity:.4;transform:translateX(-2px)}
  95%{opacity:1;transform:translateX(2px)}
  96%{opacity:.6;transform:translateX(0)}
  97%{opacity:1}
}

/* ---------- World Cup: sweeping stadium lights + drifting confetti + pitch glow ---------- */
html[data-theme="worldcup"] .fx-beams{opacity:1}
.fx-beams{
  background:conic-gradient(from 0deg at 50% -20%, transparent 0deg, rgba(255,199,44,.14) 8deg, transparent 20deg, transparent 160deg, rgba(255,199,44,.10) 172deg, transparent 190deg, transparent 340deg, rgba(255,199,44,.12) 352deg, transparent 360deg);
  animation:beamSweep 16s linear infinite;
}
.fx-beams::before{
  content:'';position:absolute;inset:0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, #ffe27a, transparent),
    radial-gradient(2px 2px at 60% 15%, #fff, transparent),
    radial-gradient(2px 2px at 80% 50%, #ffe27a, transparent),
    radial-gradient(2px 2px at 35% 65%, #fff, transparent),
    radial-gradient(2px 2px at 90% 80%, #ffe27a, transparent);
  background-repeat:repeat;background-size:300px 300px;
  animation:confettiFall 12s linear infinite;
  opacity:.7;
}
.fx-beams::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 100%, rgba(31,174,92,.18), transparent 60%);
}
@keyframes beamSweep{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@keyframes confettiFall{from{background-position:0 0}to{background-position:0 300px}}

/* ---------- Halloween: pumpkin glow + drifting fog + flying bats ---------- */
html[data-theme="halloween"] .fx-halloween{opacity:1}
.fx-halloween{
  background:
    radial-gradient(500px circle at 15% 90%, rgba(255,117,24,.20), transparent 60%),
    radial-gradient(450px circle at 85% 88%, rgba(255,140,0,.15), transparent 60%),
    radial-gradient(380px circle at 50% 2%, rgba(180,120,255,.16), transparent 55%);
  animation:pumpkinGlow 5s ease-in-out infinite alternate;
}
.fx-halloween::before{
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(100deg, rgba(180,150,255,.05) 0 60px, transparent 60px 140px);
  animation:fogDrift 26s linear infinite;
  opacity:.6;
}
.fx-halloween::after{
  content:'';position:absolute;top:14%;left:-8%;width:24px;height:13px;
  background:radial-gradient(ellipse at 50% 50%, #1a1a1a 45%, transparent 72%);
  border-radius:50%/60% 60% 40% 40%;
  opacity:0;
  animation:batFly 12s ease-in-out infinite;animation-delay:1.5s;
}
@keyframes pumpkinGlow{from{filter:brightness(.88)}to{filter:brightness(1.2)}}
@keyframes fogDrift{from{background-position:0 0}to{background-position:600px 0}}
@keyframes batFly{
  0%,74%{opacity:0;transform:translate(0,0) scale(1)}
  78%{opacity:.65}
  90%{opacity:.65;transform:translate(60vw,9vh) scale(1.5)}
  100%{opacity:0;transform:translate(112vw,-3vh) scale(1.5)}
}

/* ---------- Aces Noir: gold spotlight glow + drifting card-table shimmer + felt-edge vignette ---------- */
html[data-theme="aces"] .fx-aces{opacity:1}
.fx-aces{
  background:
    radial-gradient(650px circle at 50% -10%, rgba(212,175,55,.16), transparent 60%),
    radial-gradient(420px circle at 12% 90%, rgba(212,175,55,.08), transparent 55%),
    radial-gradient(420px circle at 88% 85%, rgba(212,175,55,.08), transparent 55%);
  animation:acesGlow 6s ease-in-out infinite alternate;
}
.fx-aces::before{
  content:'';position:absolute;inset:0;
  background-image:
    radial-gradient(1.5px 1.5px at 15% 25%, #f4d160, transparent),
    radial-gradient(1px 1px at 65% 12%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 35% 65%, #f4d160, transparent),
    radial-gradient(1px 1px at 82% 55%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 8% 80%, #f4d160, transparent),
    radial-gradient(1px 1px at 92% 88%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 55% 40%, #f4d160, transparent);
  background-repeat:repeat;background-size:360px 360px;
  animation:acesTwinkle 3.5s ease-in-out infinite alternate;
}
.fx-aces::after{
  content:'';position:absolute;top:-30%;left:-40%;width:60%;height:180%;
  background:linear-gradient(75deg, transparent 35%, rgba(212,175,55,.14) 48%, rgba(244,209,96,.22) 50%, rgba(212,175,55,.14) 52%, transparent 65%);
  transform:rotate(8deg);
  animation:acesSweep 7s ease-in-out infinite;
}
@keyframes acesGlow{from{filter:brightness(.9)}to{filter:brightness(1.15)}}
@keyframes acesTwinkle{from{opacity:.55}to{opacity:1}}
@keyframes acesSweep{
  0%{left:-40%}
  45%,100%{left:120%}
}

/* ---------- Eclipse: duotone tide — cool teal moonlight vs warm amber cloudlight, slowly trading sides ---------- */
html[data-theme="eclipse"] .fx-eclipse{opacity:1}
.fx-eclipse{
  background:
    radial-gradient(620px circle at 18% 30%, rgba(111,208,224,.18), transparent 60%),
    radial-gradient(620px circle at 82% 72%, rgba(244,184,96,.16), transparent 60%),
    radial-gradient(340px circle at 50% 48%, rgba(238,246,248,.06), transparent 55%);
  animation:eclipseTide 9s ease-in-out infinite alternate;
}
.fx-eclipse::before{
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(115deg, rgba(111,208,224,.05) 0 50px, transparent 50px 120px, rgba(244,184,96,.05) 120px 170px, transparent 170px 240px);
  animation:eclipseDrift 30s linear infinite;
  opacity:.7;
}
.fx-eclipse::after{
  content:'';position:absolute;top:20%;left:50%;width:120px;height:120px;margin-left:-60px;
  border-radius:50%;
  background:radial-gradient(circle at 40% 35%, #eef6f8, #cfe4e8 55%, transparent 75%);
  opacity:.12;filter:blur(1px);
  animation:eclipseMoon 12s ease-in-out infinite alternate;
}
@keyframes eclipseTide{from{filter:brightness(.92) hue-rotate(0deg)}to{filter:brightness(1.12) hue-rotate(-6deg)}}
@keyframes eclipseDrift{from{background-position:0 0}to{background-position:600px 0}}
@keyframes eclipseMoon{from{transform:translateY(0) scale(1);opacity:.1}to{transform:translateY(18px) scale(1.08);opacity:.18}}

/* ---------- Per-theme message-bubble entrance ("materializing") ---------- */
html[data-theme="nebula"] .bubble-wrap{animation:bInNebula .55s cubic-bezier(.2,.9,.3,1)}
@keyframes bInNebula{
  0%{opacity:0;transform:translateY(10px) scale(.9);filter:blur(4px)}
  60%{opacity:1;filter:blur(0)}
  100%{transform:none}
}
html[data-theme="cyber"] .bubble-wrap{animation:bInCyber .4s steps(6,end)}
@keyframes bInCyber{
  0%{opacity:0;clip-path:inset(0 100% 0 0)}
  20%{opacity:1;clip-path:inset(0 80% 0 0)}
  40%{clip-path:inset(0 55% 0 30%)}
  60%{clip-path:inset(0 30% 0 10%)}
  80%{clip-path:inset(0 10% 0 0)}
  100%{clip-path:inset(0 0 0 0)}
}
html[data-theme="worldcup"] .bubble-wrap{animation:bInWorldcup .45s cubic-bezier(.34,1.56,.64,1)}
@keyframes bInWorldcup{
  0%{opacity:0;transform:translateY(8px) scale(.9)}
  70%{opacity:1;transform:translateY(-2px) scale(1.02)}
  100%{transform:none}
}
html[data-theme="halloween"] .bubble-wrap{animation:bInHalloween .5s steps(5,end)}
@keyframes bInHalloween{
  0%{opacity:0;transform:translateY(6px)}
  25%{opacity:.25}
  45%{opacity:.85}
  60%{opacity:.35}
  100%{opacity:1;transform:none}
}

html[data-theme="aces"] .bubble-wrap{animation:bInAces .5s cubic-bezier(.3,.7,.3,1)}
@keyframes bInAces{
  0%{opacity:0;transform:perspective(400px) rotateY(-35deg) translateX(-6px);filter:brightness(1.4)}
  60%{opacity:1;filter:brightness(1.15)}
  100%{transform:none;filter:brightness(1)}
}
html[data-theme="eclipse"] .bubble-wrap{animation:bInEclipse .6s ease-out}
@keyframes bInEclipse{
  0%{opacity:0;transform:translateY(6px);filter:brightness(.7) saturate(1.3)}
  55%{opacity:1;filter:brightness(1.1) saturate(1.1)}
  100%{transform:none;filter:brightness(1) saturate(1)}
}

/* ---------- Aurora animated border on the theme picker, while a premium theme is active ---------- */
@property --aurora-angle{syntax:'<angle>';inherits:false;initial-value:0deg}
html[data-theme="aces"] #themes-modal .modal-box{
  border:1px solid transparent;
  background:
    linear-gradient(var(--s1),var(--s1)) padding-box,
    conic-gradient(from var(--aurora-angle), #d4af37, #f4d160, #8a6d1a, #d4af37) border-box;
  animation:auroraRotate 6s linear infinite;
}
html[data-theme="eclipse"] #themes-modal .modal-box{
  border:1px solid transparent;
  background:
    linear-gradient(var(--s1),var(--s1)) padding-box,
    conic-gradient(from var(--aurora-angle), #6fd0e0, #eef6f8, #f4b860, #6fd0e0) border-box;
  animation:auroraRotate 6s linear infinite;
}
@keyframes auroraRotate{to{--aurora-angle:360deg}}

/* ---------- Animated theme-card previews — "people buy with their eyes" ---------- */
.theme-card[data-theme-id="nebula"]::before{
  content:'';position:absolute;inset:0;
  background-image:
    radial-gradient(1px 1px at 20% 30%,#fff,transparent),radial-gradient(1px 1px at 60% 60%,#fff,transparent),
    radial-gradient(1px 1px at 80% 20%,#fff,transparent),radial-gradient(1px 1px at 40% 80%,#fff,transparent),
    radial-gradient(1px 1px at 90% 75%,#fff,transparent);
  background-size:60px 60px;background-repeat:repeat;
  animation:nebulaDrift 8s linear infinite;
}
.theme-card[data-theme-id="cyber"]::before{
  content:'';position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg, rgba(0,240,255,.35) 0 1px, transparent 1px 8px);
  animation:glitchFlicker 2.4s steps(1) infinite;
}
.theme-card[data-theme-id="worldcup"]::before{
  content:'';position:absolute;inset:0;
  background:conic-gradient(from 0deg at 50% -40%, transparent 0deg, rgba(255,255,255,.35) 10deg, transparent 25deg);
  animation:beamSweep 5s linear infinite;
}
.theme-card[data-theme-id="halloween"]{background:linear-gradient(135deg,#0d0605,#ff7518)}
.theme-card[data-theme-id="halloween"]::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 25% 85%, rgba(255,117,24,.55), transparent 60%),radial-gradient(circle at 75% 15%, rgba(138,43,226,.45), transparent 55%);
  animation:pumpkinGlow 3s ease-in-out infinite alternate;
}
.theme-card[data-theme-id="aces"]{background:linear-gradient(135deg,#050505,#3a2f0e,#d4af37)}
.theme-card[data-theme-id="aces"]::before{
  content:'';position:absolute;inset:-40% -60%;width:60%;height:220%;
  background:linear-gradient(75deg, transparent 35%, rgba(244,209,96,.5) 48%, rgba(244,209,96,.7) 50%, rgba(244,209,96,.5) 52%, transparent 65%);
  transform:rotate(8deg);
  animation:acesSweep 3s ease-in-out infinite;
}
.theme-card[data-theme-id="eclipse"]{background:linear-gradient(135deg,#0d1a20,#6fd0e0 45%,#f4b860 100%)}
.theme-card[data-theme-id="eclipse"]::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 22% 30%, rgba(238,246,248,.5), transparent 45%);
  animation:eclipseMoon 5s ease-in-out infinite alternate;
}

/* ---------- Ripple click feedback — app-wide, cheap, feels tactile ---------- */
.ui-ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.35);pointer-events:none;transform:scale(0);animation:uiRipple .55s ease-out forwards}
@keyframes uiRipple{to{transform:scale(1);opacity:0}}

/* ---------- Theme-unlock cinematic sequence (see JS: playThemeUnlockSequence) ---------- */
#theme-unlock-cine{position:fixed;inset:0;z-index:400;background:#050508;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;opacity:0;pointer-events:none;transition:opacity .3s ease}
#theme-unlock-cine.show{opacity:1;pointer-events:all}
.cine-title{font-family:var(--mono);font-size:13px;letter-spacing:2px;color:var(--ac2)}
.cine-bar{width:220px;height:3px;border-radius:2px;background:rgba(255,255,255,.08);overflow:hidden}
.cine-bar-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--ac),var(--ac2));transition:width .35s ease}
.cine-status{font-family:var(--mono);font-size:11px;color:var(--tx2)}

/* Theme picker */
#themes-modal .modal-box{width:460px}
.theme-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.theme-card{position:relative;border-radius:14px;padding:16px;cursor:pointer;border:2px solid var(--b1);overflow:hidden;min-height:90px;display:flex;flex-direction:column;justify-content:flex-end;transition:transform .15s}
.theme-card-premium-badge{position:absolute;top:6px;right:6px;width:26px;height:26px;object-fit:contain;z-index:2;filter:drop-shadow(0 2px 4px rgba(0,0,0,.5))}
.theme-card:hover{transform:translateY(-2px)}
.theme-card.selected{border-color:var(--ac);box-shadow:0 0 0 3px var(--glow)}
.theme-card.locked::after{content:'🔒';position:absolute;top:10px;right:10px;font-size:14px}
.theme-card-name{font-size:12px;font-weight:700;color:#fff;position:relative;z-index:1}
.theme-card-price{font-size:10px;color:rgba(255,255,255,.75);position:relative;z-index:1;font-family:var(--mono)}
.theme-card[data-theme-id="dark"]{background:linear-gradient(135deg,#08080e,#191928)}
.theme-card[data-theme-id="light"]{background:linear-gradient(135deg,#e8e8f4,#ffffff);border-color:rgba(0,0,0,.1)}
.theme-card[data-theme-id="light"] .theme-card-name,.theme-card[data-theme-id="light"] .theme-card-price{color:#16162a}
.theme-card[data-theme-id="nebula"]{background:linear-gradient(135deg,#0a0518,#b45aff)}
.theme-card[data-theme-id="worldcup"]{background:linear-gradient(135deg,#04140c,#ffc72c)}
.theme-card[data-theme-id="cyber"]{background:linear-gradient(135deg,#050510,#00f0ff,#ff2ee6)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
/* FIX (mobile input bar): 100% viewport height doesn't account for mobile
   browser chrome (address bar) collapsing/expanding, which pushed the
   input bar off-screen in room mode. 100dvh tracks the *actual visible*
   viewport on modern mobile browsers. */
html,body{height:100dvh;overflow:hidden;background:var(--bg);color:var(--tx);font-family:var(--font);-webkit-font-smoothing:antialiased;transition:background .2s,color .2s}
::-webkit-scrollbar{width:3px}::-webkit-scrollbar-thumb{background:var(--b1);border-radius:3px}
input,textarea,button{font-family:inherit}
button,.icon-btn,.info-btn,.hamburger,.bn-item,.bn-search-btn{touch-action:manipulation}
.icon{width:1em;height:1em;display:inline-block;vertical-align:-0.15em;stroke:currentColor;fill:none;stroke-width:var(--icon-stroke);stroke-linecap:round;stroke-linejoin:round}
.icon.filled{fill:currentColor;stroke:none}

#landing{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--bg);z-index:100;padding:24px;overflow-y:auto;-webkit-overflow-scrolling:touch}
#landing-canvas{position:absolute;inset:0;pointer-events:none}
#landing::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 50% at 50% 0%,rgba(110,70,255,.1),transparent);pointer-events:none}

.landing-hero{position:relative;z-index:1;text-align:center;margin-bottom:48px}

/* ══════════ ANIMATED BRAND LOGO — chat bubble flips to a privacy
   shield, with a liquid shimmer sweep across whichever face is showing.
   Reused for the landing hero (full size) and the sidebar brand row
   (.sb-flip, compact). Respects prefers-reduced-motion. ══════════ */
.brand-flip{width:64px;height:64px;perspective:600px;margin-bottom:20px;cursor:pointer;flex-shrink:0;display:inline-block}
.brand-flip-inner{position:relative;width:100%;height:100%;transform-style:preserve-3d;animation:brandFlip 7s ease-in-out infinite}
.brand-flip-face{position:absolute;inset:0;border-radius:18px;display:flex;align-items:center;justify-content:center;backface-visibility:hidden;box-shadow:0 0 40px var(--glow);overflow:hidden}
.brand-flip-face svg{width:30px;height:30px;color:#fff;position:relative;z-index:2;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}
.brand-flip-front{background:linear-gradient(135deg,var(--ac),var(--ac2))}
.brand-flip-back{background:linear-gradient(135deg,var(--gr),#007a50);transform:rotateY(180deg)}
.brand-flip-front::before{
  content:'';position:absolute;inset:-40% -20%;
  background:linear-gradient(100deg,transparent 35%,rgba(255,255,255,.35) 48%,rgba(255,255,255,.5) 50%,rgba(255,255,255,.35) 52%,transparent 65%);
  animation:liquidSweep 3.5s ease-in-out infinite;transform:rotate(6deg);z-index:1;
}
.brand-flip-back::before{
  content:'';position:absolute;inset:-40% -20%;
  background:linear-gradient(100deg,transparent 35%,rgba(255,255,255,.3) 48%,rgba(255,255,255,.45) 50%,rgba(255,255,255,.3) 52%,transparent 65%);
  animation:liquidSweep 3.5s ease-in-out infinite reverse;transform:rotate(-6deg);z-index:1;
}
@keyframes liquidSweep{0%{transform:translateX(-60%) rotate(6deg)}50%,100%{transform:translateX(60%) rotate(6deg)}}
@keyframes brandFlip{
  0%,38%{transform:rotateY(0deg)}
  50%,88%{transform:rotateY(180deg)}
  100%{transform:rotateY(360deg)}
}
.brand-flip.sb-flip{width:30px;height:30px;margin-bottom:0}
.brand-flip.sb-flip .brand-flip-face{border-radius:8px}
.brand-flip.sb-flip .brand-flip-face svg{width:15px;height:15px}
@media (prefers-reduced-motion: reduce){
  .brand-flip-inner{animation:none}
  .brand-flip-front::before,.brand-flip-back::before{animation:none}
}

.landing-hero h1{font-size:36px;font-weight:700;letter-spacing:-.5px;margin-bottom:10px;color:var(--tx);text-shadow:0 0 24px var(--glow)}
.landing-tagline{font-size:11px;font-weight:600;letter-spacing:2.5px;text-transform:uppercase;color:var(--ac2);margin:-6px 0 14px;font-family:var(--mono)}
.landing-hero p{font-size:14px;color:var(--tx2);font-family:var(--mono);letter-spacing:.3px}

.mode-cards{display:flex;gap:16px;position:relative;z-index:1;flex-wrap:wrap;justify-content:center;max-width:640px}
.mode-card{flex:1;min-width:260px;max-width:300px;background:var(--s1);border:1px solid var(--b1);border-radius:20px;padding:28px 24px;cursor:pointer;transition:all .2s;position:relative;overflow:hidden}
.mode-card::before{content:'';position:absolute;inset:0;opacity:0;transition:opacity .2s}
.mode-card:hover{transform:translateY(-3px);border-color:var(--ac)}
.mode-card:hover::before{opacity:1}
.mode-card.private-card::before{background:linear-gradient(135deg,rgba(110,70,255,.06),transparent)}
.mode-card.room-card::before{background:linear-gradient(135deg,rgba(0,212,138,.06),transparent)}
.mode-card .card-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px;overflow:hidden;position:relative}
.mode-card .card-icon img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
.private-card .card-icon{background:linear-gradient(135deg,rgba(110,70,255,.2),rgba(110,70,255,.1));border:1px solid var(--b1)}
.room-card .card-icon{background:linear-gradient(135deg,rgba(0,212,138,.2),rgba(0,212,138,.1));border:1px solid rgba(0,212,138,.2)}
.room-card .card-icon img{object-fit:contain;padding:6px}
.mode-card h2{font-size:18px;font-weight:700;margin-bottom:8px}
.mode-card p{font-size:13px;color:var(--tx2);line-height:1.55}
.card-badge{display:inline-flex;align-items:center;gap:5px;font-size:10px;font-family:var(--mono);padding:3px 9px;border-radius:20px;margin-top:14px;letter-spacing:.3px}
.private-card .card-badge{background:var(--b2);color:var(--ac2);border:1px solid var(--b1)}
.room-card .card-badge{background:var(--gr2);color:var(--gr);border:1px solid rgba(0,212,138,.2)}
.mode-arrow{position:absolute;bottom:20px;right:20px;font-size:18px;opacity:.4;transition:all .2s}
.mode-card:hover .mode-arrow{opacity:1;transform:translateX(3px)}

.landing-footer{position:relative;z-index:1;margin-top:32px;font-size:11px;color:var(--tx3);font-family:var(--mono);text-align:center;letter-spacing:.3px}

#auth{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:var(--bg);z-index:100}
.auth-box{width:400px;max-width:calc(100vw - 32px);background:var(--s1);border:1px solid var(--b1);border-radius:20px;padding:44px 36px;position:relative;box-shadow:0 32px 80px rgba(0,0,0,.7)}
.back-btn{position:absolute;top:16px;left:16px;background:none;border:none;color:var(--tx2);cursor:pointer;font-size:13px;display:flex;align-items:center;gap:5px;padding:4px 8px;border-radius:6px;transition:color .15s}
.back-btn:hover{color:var(--tx);background:var(--s2)}
.auth-brand{text-align:center;margin-bottom:32px}
.brand-icon{width:52px;height:52px;background:linear-gradient(135deg,var(--ac),var(--ac2));border-radius:14px;display:inline-flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:14px;box-shadow:0 0 28px var(--glow)}
.auth-brand h1{font-size:22px;font-weight:700;margin-bottom:4px}
.auth-brand p{font-size:12px;color:var(--tx2);font-family:var(--mono)}
.tabs{display:flex;background:var(--s2);border-radius:8px;padding:3px;margin-bottom:24px;gap:3px}
.tab{flex:1;padding:8px;border:none;border-radius:6px;background:transparent;color:var(--tx2);font-family:var(--font);font-size:13px;font-weight:500;cursor:pointer;transition:.15s}
.tab.on{background:var(--s3);color:var(--tx)}
.field{margin-bottom:14px}
.field label{display:block;font-size:11px;font-weight:600;color:var(--tx2);text-transform:uppercase;letter-spacing:.8px;margin-bottom:6px}
.field input{width:100%;padding:11px 14px;background:var(--s2);border:1px solid var(--b2);border-radius:8px;color:var(--tx);font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s}
.field input:focus{border-color:var(--ac);box-shadow:0 0 0 3px rgba(110,70,255,.15)}
.field input::placeholder{color:var(--tx3)}
.abtn{width:100%;padding:13px;background:linear-gradient(135deg,var(--ac),#4a2db0);border:none;border-radius:8px;color:#fff;font-size:14px;font-weight:600;cursor:pointer;margin-top:6px;transition:all .15s;position:relative;overflow:hidden}
.abtn:hover{transform:translateY(-1px);box-shadow:0 8px 24px var(--glow)}
.abtn:disabled{opacity:.5;cursor:default;transform:none}
.abtn.loading::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),transparent);animation:sh .7s infinite}
@keyframes sh{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.aerr{font-size:12px;color:var(--rd);background:var(--rd2);border:1px solid rgba(255,69,96,.2);border-radius:8px;padding:9px 12px;margin-top:10px;display:none}

#room-entry{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:var(--bg);z-index:100;padding:24px}
.room-entry-box{width:480px;max-width:100%;background:var(--s1);border:1px solid rgba(0,212,138,.2);border-radius:20px;padding:40px 36px;position:relative;box-shadow:0 32px 80px rgba(0,0,0,.7)}
.room-tabs{display:flex;background:var(--s2);border-radius:8px;padding:3px;margin-bottom:28px;gap:3px}
.rtab{flex:1;padding:9px;border:none;border-radius:6px;background:transparent;color:var(--tx2);font-size:13px;font-weight:500;cursor:pointer;transition:.15s}
.rtab.on{background:var(--s3);color:var(--gr)}
.rf{margin-bottom:14px}
.rf label{display:block;font-size:11px;font-weight:600;color:var(--tx2);text-transform:uppercase;letter-spacing:.8px;margin-bottom:6px}
.rf input{width:100%;padding:11px 14px;background:var(--s2);border:1px solid var(--b2);border-radius:8px;color:var(--tx);font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s}
.rf input:focus{border-color:var(--gr);box-shadow:0 0 0 3px rgba(0,212,138,.1)}
.rf input::placeholder{color:var(--tx3)}
.rf-hint{font-size:11px;color:var(--tx2);margin-top:5px}
.gbtn{width:100%;padding:13px;background:linear-gradient(135deg,var(--gr),#00a06a);border:none;border-radius:8px;color:#000;font-size:14px;font-weight:700;cursor:pointer;margin-top:4px;transition:all .15s;letter-spacing:.3px}
.gbtn:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,212,138,.3)}
.gbtn:disabled{opacity:.5;cursor:default;transform:none}
.gerr{font-size:12px;color:var(--rd);background:var(--rd2);border:1px solid rgba(255,69,96,.2);border-radius:8px;padding:9px 12px;margin-top:10px;display:none}

.share-box{background:var(--s2);border:1px solid rgba(0,212,138,.2);border-radius:10px;padding:14px 16px;margin-top:16px;display:none}
.share-box.visible{display:block}
.share-label{font-size:10px;font-weight:700;color:var(--gr);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px;font-family:var(--mono)}
.share-link-row{display:flex;gap:8px;align-items:center}
.share-link{flex:1;background:var(--s3);border:1px solid var(--b1);border-radius:7px;padding:8px 10px;color:var(--tx2);font-family:var(--mono);font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.share-info{font-size:11px;color:var(--tx2);margin-top:8px;font-family:var(--mono)}
.join-room-btn{width:100%;padding:12px;background:linear-gradient(135deg,var(--gr),#00a06a);border:none;border-radius:8px;color:#000;font-size:14px;font-weight:700;cursor:pointer;margin-top:12px;transition:all .15s;letter-spacing:.3px}
.join-room-btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,212,138,.3)}

#app{display:none;height:100dvh;width:100vw}

.sidebar{position:fixed;top:0;left:0;bottom:0;width:264px;background:var(--s1);border-right:1px solid var(--b1);display:flex;flex-direction:column;z-index:10;transition:transform .25s}
.sb-top{padding:16px 14px 12px;border-bottom:1px solid var(--b2)}
.sb-brand{display:flex;align-items:center;gap:9px;margin-bottom:12px}
.sb-name{font-size:15px;font-weight:700}
.sb-mode-pill{font-size:9px;font-family:var(--mono);padding:2px 7px;border-radius:20px;margin-left:auto;letter-spacing:.3px}
.sb-mode-pill.private{background:var(--b2);color:var(--ac2);border:1px solid var(--b1)}
.sb-mode-pill.room{background:var(--gr2);color:var(--gr);border:1px solid rgba(0,212,138,.2)}
.me-row{display:flex;align-items:center;gap:8px;background:var(--s2);border-radius:8px;padding:8px 10px}
.me-center{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;min-width:0}
.me-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0;animation:dotPulse 2s ease-in-out infinite}
.me-dot.private{background:var(--ac);box-shadow:0 0 6px var(--ac)}
.me-dot.room{background:var(--gr);box-shadow:0 0 6px var(--gr)}
@keyframes dotPulse{0%,100%{opacity:1}50%{opacity:.5}}
.me-name-text{font-size:12px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:var(--mono);max-width:130px}
.icon-btn{background:none;border:none;color:var(--tx2);cursor:pointer;padding:4px;border-radius:6px;font-size:14px;line-height:1;transition:color .15s,background .15s;display:flex;align-items:center;justify-content:center;width:26px;height:26px}
.icon-btn:hover{color:var(--tx);background:var(--s3)}
.icon-btn.danger:hover{color:var(--rd);background:var(--rd2)}
.sb-sec{font-size:9px;font-weight:700;color:var(--tx3);text-transform:uppercase;letter-spacing:1.2px;padding:12px 14px 5px}
.users-list{flex:1;overflow-y:auto;padding:0 6px 6px}
.user-row{display:flex;align-items:center;gap:8px;padding:8px 8px;border-radius:8px;cursor:pointer;transition:background .12s;position:relative}
.user-row-call-btn{background:none;border:none;color:var(--gr);cursor:pointer;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}
.user-row-call-btn:hover{background:var(--gr2)}
.user-row-call-btn svg{width:16px;height:16px}
.user-row:hover{background:var(--s2)}
.user-row.active{background:rgba(110,70,255,.12);border-left:2px solid var(--ac);padding-left:6px}
.u-av{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;position:relative;border:1px solid var(--b1)}
.u-av.private{background:linear-gradient(135deg,var(--ac),#2a1070)}
.u-av.room{background:linear-gradient(135deg,var(--gr),#007a50);color:#000}
.u-av .dot{position:absolute;bottom:-1px;right:-1px;width:8px;height:8px;background:var(--gr);border:2px solid var(--s1);border-radius:50%}
.u-av .dot.off{background:var(--tx3)}
.user-row.offline{opacity:.6}
.u-offline-label{font-size:10px;color:var(--tx3);font-family:var(--mono);white-space:nowrap}
.u-name{font-size:12px;font-weight:500;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.u-status{font-size:10px;color:var(--gr)}
.compose-btn{margin:8px;padding:9px;background:linear-gradient(135deg,var(--ac),#4a2db0);border:none;border-radius:8px;color:#fff;font-size:12px;font-weight:600;cursor:pointer;transition:all .15s;box-shadow:0 3px 10px var(--glow);display:flex;align-items:center;justify-content:center;gap:6px}
.compose-btn:hover{transform:translateY(-1px)}

.room-members-list{flex:1;overflow-y:auto;padding:0 6px 6px}
.room-member-item{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:8px}
.rm-av{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--gr),#007a50);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#000;flex-shrink:0}
.rm-name{font-size:12px;color:var(--tx);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rm-you{font-size:9px;color:var(--gr);font-family:var(--mono);background:var(--gr2);padding:2px 6px;border-radius:20px}
.room-info-bar{margin:6px 8px 0;background:var(--s2);border-radius:8px;padding:10px 12px;border:1px solid rgba(0,212,138,.15)}
.rib-title{font-size:10px;color:var(--gr);font-family:var(--mono);font-weight:700;letter-spacing:.5px;margin-bottom:4px}
.rib-link{display:flex;align-items:center;gap:6px;margin-top:6px}
.rib-url{font-size:10px;color:var(--tx3);font-family:var(--mono);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rib-capacity{font-size:10px;color:var(--tx2);font-family:var(--mono);margin-top:6px}
.rib-capacity.full{color:var(--am);font-weight:700}

.hamburger{display:none;position:fixed;top:12px;left:12px;z-index:20;background:var(--s1);border:1px solid var(--b1);border-radius:7px;padding:7px;cursor:pointer;flex-direction:column;gap:4px}
.hamburger span{display:block;width:16px;height:2px;background:var(--tx);border-radius:2px}
.sb-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:9;backdrop-filter:blur(2px)}

.main{margin-left:264px;height:100dvh;display:flex;flex-direction:column;position:relative;transition:margin .25s}
.main::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(110,70,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(110,70,255,.02) 1px,transparent 1px);background-size:28px 28px;pointer-events:none}
.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--tx3);position:relative;z-index:1;padding:24px}
.empty-card{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:340px;padding:40px 32px;background:var(--s1);border:1px solid var(--b1);border-radius:24px;box-shadow:0 24px 64px rgba(0,0,0,.35)}
.empty-icon{width:96px;height:96px;border-radius:26px;background:linear-gradient(135deg,var(--ac),var(--ac2));display:flex;align-items:center;justify-content:center;margin-bottom:20px;box-shadow:0 0 60px var(--glow),0 0 120px rgba(110,70,255,.15);animation:float 3s ease-in-out infinite;flex-shrink:0}
.empty-icon svg{width:46px;height:46px;color:#fff;filter:drop-shadow(0 2px 6px rgba(0,0,0,.35))}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.empty-title{font-size:17px;font-weight:700;color:var(--tx);margin-bottom:8px}
.empty-sub{font-size:13px;color:var(--tx2);line-height:1.6;margin-bottom:22px}
.empty-cta-btn{display:flex;align-items:center;gap:8px;padding:12px 22px;background:linear-gradient(135deg,var(--ac),#4a2db0);border:none;border-radius:12px;color:#fff;font-size:13.5px;font-weight:600;cursor:pointer;box-shadow:0 8px 24px var(--glow);transition:transform .15s}
.empty-cta-btn:hover{transform:translateY(-2px)}
.empty-cta-btn svg{width:16px;height:16px;animation:ctaPulse 2.2s ease-in-out infinite}
.compose-btn svg{animation:ctaPulse 2.2s ease-in-out infinite}
@keyframes ctaPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.18)}}
.empty-hint{font-size:10.5px;font-family:var(--mono);color:var(--tx3);margin-top:18px}
@media(max-width:660px){
  .empty-card{max-width:calc(100vw - 48px);padding:32px 22px}
}

.chat-head{height:60px;border-bottom:1px solid var(--b1);display:flex;align-items:center;gap:12px;padding:0 20px;background:var(--s1);flex-shrink:0;position:relative;z-index:2}
.chat-back-btn{display:none;background:none;border:none;color:var(--tx2);cursor:pointer;width:32px;height:32px;align-items:center;justify-content:center;flex-shrink:0;border-radius:9px;margin-left:-6px}
.chat-back-btn:hover{background:var(--s2);color:var(--tx)}
.ch-av{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0;border:1px solid var(--b1)}
.ch-av.private{background:linear-gradient(135deg,var(--ac),#2a1070)}
.ch-av.room{background:linear-gradient(135deg,var(--gr),#007a50);color:#000}
.ch-info{flex:1}.ch-name{font-size:14px;font-weight:600}.ch-sub{font-size:11px;color:var(--tx2);font-family:var(--mono)}
.e2e-pill{font-size:10px;font-family:var(--mono);padding:3px 9px;border-radius:20px;letter-spacing:.3px}
.e2e-pill.private{background:var(--b2);color:var(--ac2);border:1px solid var(--b1)}
.e2e-pill.room{background:var(--gr2);color:var(--gr);border:1px solid rgba(0,212,138,.2)}

/* ═══════════════════════════════════════════════════════════
   ROOM INFO DROPDOWN — mobile only. Consolidates the E2E badge,
   room ID, Share, and Upgrade actions that otherwise crowd the
   chat-head on narrow screens. Desktop keeps the original
   always-visible layout — plenty of width there.
═══════════════════════════════════════════════════════════ */
.room-info-wrap{display:none;position:relative}
.room-info-menu{width:240px}
.room-info-badges{display:flex;margin-bottom:10px}
.room-info-id-row{display:flex;align-items:center;gap:8px;padding:8px 10px;background:var(--s2);border:1px solid var(--b1);border-radius:9px;margin-bottom:10px}
.room-info-id-label{font-size:10px;color:var(--tx2);font-family:var(--mono);flex-shrink:0}
.room-info-id-value{font-size:11px;color:var(--tx);font-family:var(--mono);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.room-info-copy-btn{width:22px;height:22px;border-radius:6px;border:none;background:none;color:var(--tx2);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}
.room-info-copy-btn:hover{color:var(--ac2);background:var(--b2)}
.room-info-copy-btn svg{width:12px;height:12px}
@media(max-width:660px){
  .chat-head .e2e-pill.room{display:none}
  .chat-head #room-share-btn{display:none !important}
  .chat-head #room-upgrade-btn{display:none !important}
  .room-info-wrap.room-active{display:block}
}
.room-share-btn{background:none;border:1px solid rgba(0,212,138,.3);border-radius:20px;color:var(--gr);font-size:10px;padding:3px 10px;cursor:pointer;font-family:var(--font);transition:all .15s;white-space:nowrap;display:flex;align-items:center;gap:5px}
.room-share-btn:hover{background:var(--gr2)}

/* Options menu (private chat only) */
.opts-btn{background:none;border:1px solid var(--b1);border-radius:9px;color:var(--tx2);cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s;font-size:16px}
.opts-btn:hover{color:var(--tx);background:var(--s2);border-color:var(--ac)}
.opts-wrap{position:relative}
.opts-menu{position:absolute;top:40px;right:0;width:200px;background:var(--s1);border:1px solid var(--b1);border-radius:14px;box-shadow:0 16px 48px rgba(0,0,0,.5);z-index:60;padding:6px;display:none;flex-direction:column;gap:2px}
.opts-menu.open{display:flex;animation:bIn .15s ease}
.opts-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;background:none;border:none;color:var(--tx);font-size:13px;cursor:pointer;text-align:left;width:100%;transition:background .12s;font-family:var(--font)}
.opts-item:hover{background:var(--s2)}
.opts-item.danger{color:var(--rd)}
.opts-item.danger:hover{background:var(--rd2)}

/* ═══════════════════════════════════════════════════════════
   ACCOUNT PANEL — slides in from the RIGHT edge of the screen,
   with an explicit Close Menu control pinned to the bottom
═══════════════════════════════════════════════════════════ */
.account-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:290;backdrop-filter:blur(2px)}
.account-backdrop.open{display:block}
.account-panel{position:fixed;top:0;right:0;bottom:0;width:290px;max-width:85vw;background:var(--s1);border-left:1px solid var(--b1);z-index:300;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;box-shadow:-16px 0 48px rgba(0,0,0,.5)}
.account-panel.open{transform:translateX(0)}
.account-panel-header{padding:18px 16px;border-bottom:1px solid var(--b2);font-size:13px;font-weight:700;color:var(--tx);flex-shrink:0}
.account-panel-items{flex:1;overflow-y:auto}
.acct-panel-item{display:flex;align-items:center;gap:10px;width:100%;padding:13px 16px;background:none;border:none;border-bottom:1px solid var(--b2);color:var(--tx);font-size:12.5px;font-weight:600;cursor:pointer;text-align:left;transition:background .15s}
.acct-panel-item:hover{background:var(--b2)}
.acct-panel-item svg{width:16px;height:16px;color:var(--tx2);flex-shrink:0}
.acct-panel-item.danger{color:var(--rd)}
.acct-panel-item.danger svg{color:var(--rd)}
.acct-panel-item.danger:hover{background:var(--rd2)}
.acct-panel-close{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:14px;background:var(--s2);border:none;border-top:1px solid var(--b1);color:var(--tx2);font-size:11.5px;font-weight:600;cursor:pointer;transition:all .15s;flex-shrink:0}
.acct-panel-close:hover{color:var(--tx);background:var(--b2)}
.acct-panel-close svg{width:13px;height:13px}
.opts-item .icon{color:var(--ac2);flex-shrink:0}
.opts-item.fav-on .icon{color:var(--am)}

/* Favorites */
.fav-star-btn{background:none;border:none;cursor:pointer;color:var(--tx3);padding:2px;display:flex;flex-shrink:0;transition:color .15s,transform .1s}
.fav-star-btn:hover{transform:scale(1.15)}
.fav-star-btn.on{color:var(--am)}
.fav-divider{font-size:9px;font-weight:700;color:var(--tx3);text-transform:uppercase;letter-spacing:1.2px;padding:10px 14px 4px;display:none}
.fav-divider.show{display:block}

/* Copy-icon buttons (link/key rows) */
.icon-copy-btn{background:var(--b2);border:1px solid var(--b1);border-radius:7px;color:var(--ac2);width:26px;height:26px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:all .15s}
.icon-copy-btn:hover{background:var(--b1);transform:translateY(-1px)}
.icon-copy-btn.copied{color:var(--gr);border-color:rgba(0,212,138,.4)}
.key-row{display:flex;align-items:center;gap:8px;margin-top:8px}
.key-row .share-link{flex:1}

/* Connection status dot */
.conn-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0;background:var(--tx3);transition:background .2s}
.conn-dot.online{background:var(--gr);box-shadow:0 0 6px var(--gr)}
.conn-dot.offline{background:var(--rd);box-shadow:0 0 6px var(--rd)}

.msgs{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:4px;position:relative;z-index:1}
.sys-pill{align-self:center;font-size:10px;font-family:var(--mono);color:var(--tx3);background:var(--s2);border:1px solid var(--b2);padding:3px 10px;border-radius:20px;margin:4px 0}
.typing-dots{align-self:flex-start;padding:8px 12px;background:var(--s2);border:1px solid var(--b1);border-radius:14px;border-bottom-left-radius:3px;display:none;gap:3px;align-items:center}
.typing-dots.show{display:flex}
.tdot{width:5px;height:5px;background:var(--tx2);border-radius:50%;animation:tp 1.2s infinite}
.tdot:nth-child(2){animation-delay:.2s}.tdot:nth-child(3){animation-delay:.4s}
@keyframes tp{0%,80%,100%{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}

.bubble-wrap{display:flex;flex-direction:column;max-width:70%;animation:bIn .22s cubic-bezier(.34,1.56,.64,1)}
@keyframes bIn{from{opacity:0;transform:translateY(6px) scale(.97)}to{opacity:1;transform:none}}

/* ══════════ VIEW TRANSITIONS + ACCESSIBILITY ══════════
   Applied via JS (showView) whenever the app switches between
   landing/auth/room-entry/app, so switching screens feels like a
   deliberate transition instead of an instant, jarring swap. */
@keyframes viewFadeIn{from{opacity:0;transform:scale(.985)}to{opacity:1;transform:none}}
.view-fade-in{animation:viewFadeIn .28s cubic-bezier(.22,1,.36,1)}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

.bubble-wrap.mine{align-self:flex-end;align-items:flex-end}
.bubble-wrap.theirs{align-self:flex-start;align-items:flex-start}
.bubble{padding:9px 13px;border-radius:15px;line-height:1.5;word-break:break-word;font-size:14px}
.bubble-wrap.mine.priv .bubble{background:linear-gradient(135deg,var(--ac),#4a2db0);color:#fff;border-bottom-right-radius:3px;box-shadow:0 3px 16px var(--glow)}
.bubble-wrap.theirs.priv .bubble{background:var(--s2);border:1px solid var(--b1);border-bottom-left-radius:3px}
.bubble-wrap.mine.room .bubble{background:linear-gradient(135deg,var(--gr),#007a50);color:#000;border-bottom-right-radius:3px;box-shadow:0 3px 16px rgba(0,212,138,.2)}
.bubble-wrap.theirs.room .bubble{background:var(--s2);border:1px solid rgba(0,212,138,.15);border-bottom-left-radius:3px}
.bubble-sender{font-size:10px;font-family:var(--mono);color:var(--gr);margin-bottom:3px;padding:0 2px}
.bubble-reply-tag{font-size:10px;font-family:var(--mono);color:var(--gr);opacity:.85;margin-bottom:2px;padding:0 2px;display:flex;align-items:center;gap:3px}

.bubble.cipher{font-family:var(--mono);font-size:11px;letter-spacing:1.2px;line-height:1.9;word-break:break-all;color:#5a3fff;background:#0a0818!important;border:1px solid rgba(90,63,255,.35)!important;box-shadow:inset 0 0 20px rgba(90,63,255,.06)!important;position:relative;overflow:hidden}
.bubble.cipher::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(90,63,255,.05) 50%,transparent);background-size:200% 100%;animation:cscan 3s linear infinite;pointer-events:none}
@keyframes cscan{0%{background-position:200% 0}100%{background-position:-200% 0}}
.cipher-tag{font-size:10px;color:rgba(90,63,255,.6);font-family:var(--mono);margin-top:4px;display:flex;align-items:center;gap:4px}
.cipher-tag::before{content:'';width:5px;height:5px;background:rgba(90,63,255,.5);border-radius:50%;animation:cpulse 2s infinite}
@keyframes cpulse{0%,100%{opacity:.4}50%{opacity:1}}

.bmeta{display:flex;align-items:center;gap:5px;margin-top:3px;padding:0 3px;flex-wrap:wrap}
.btime{font-size:10px;color:var(--tx3);font-family:var(--mono)}
.bdel{font-size:10px;color:var(--gr)}
.reply-btn{background:none;border:1px solid var(--b1);border-radius:20px;color:var(--tx2);font-size:10px;padding:2px 8px;cursor:pointer;transition:all .12s}
.reply-btn:hover{border-color:var(--ac);color:var(--ac2)}
.room-reply-btn{background:none;border:1px solid rgba(0,212,138,.3);border-radius:20px;color:var(--gr);font-size:10px;padding:2px 8px;cursor:pointer;transition:all .12s;margin-top:3px}
.room-reply-btn:hover{background:var(--gr2)}

.unlock-row{display:flex;gap:6px;margin-top:5px;align-items:center;flex-wrap:wrap}
.unlock-row input{background:var(--s2);border:1px solid var(--b1);border-radius:8px;padding:7px 10px;color:var(--tx);font-family:var(--mono);font-size:12px;outline:none;width:170px;letter-spacing:.5px;transition:border-color .15s}
.unlock-row input:focus{border-color:var(--ac)}
.unlock-row input::placeholder{color:var(--tx3);letter-spacing:0;font-family:var(--font)}
.unlock-go{background:var(--ac);border:none;border-radius:8px;color:#fff;font-size:11px;font-weight:600;padding:7px 11px;cursor:pointer;white-space:nowrap;transition:opacity .15s}
.unlock-go:hover{opacity:.85}
.req-key-btn{background:none;border:1px solid rgba(90,63,255,.4);border-radius:20px;color:var(--ac2);font-size:10px;padding:3px 10px;cursor:pointer;font-weight:600;transition:all .15s;display:flex;align-items:center;gap:4px;white-space:nowrap}
.req-key-btn:hover{background:rgba(110,70,255,.12);border-color:var(--ac)}
.req-key-btn.done{color:var(--tx3);border-color:var(--b2);cursor:default}

#smoke{position:fixed;inset:0;pointer-events:none;z-index:9999}
@keyframes vn{0%{opacity:1;transform:scale(1);filter:blur(0)}100%{opacity:0;transform:scale(.88) translateY(-14px);filter:blur(8px)}}
.bubble-wrap.vanishing{animation:vn .7s ease-out forwards;pointer-events:none}

/* FIX (mobile input bar): reserve space for the home-indicator / gesture
   bar on iOS/Android so the input row can never sit underneath it or
   get clipped when the on-screen keyboard opens. */
.input-bar{padding:10px 16px;padding-bottom:max(10px, env(safe-area-inset-bottom));border-top:1px solid var(--b1);background:rgba(13,13,24,.95);backdrop-filter:blur(12px);display:flex;flex-direction:column;gap:6px;flex-shrink:0;position:relative;z-index:2}
.reply-chip{display:none;align-self:flex-start;align-items:center;gap:6px;padding:4px 10px;font-size:11px;color:var(--gr);background:var(--gr2);border:1px solid rgba(0,212,138,.25);border-radius:20px;font-family:var(--mono)}
.reply-chip.show{display:flex}
.reply-chip-close{background:none;border:none;color:var(--gr);cursor:pointer;font-size:12px;line-height:1;padding:0}
.input-bar-row{display:flex;align-items:flex-end;gap:8px;width:100%}
.input-box{flex:1;background:var(--s2);border:1px solid var(--b2);border-radius:20px;display:flex;align-items:flex-end;padding:7px 12px;gap:7px;transition:border-color .15s,box-shadow .15s}
.input-box.private:focus-within{border-color:var(--ac);box-shadow:0 0 0 3px rgba(110,70,255,.12)}
.input-box.room:focus-within{border-color:var(--gr);box-shadow:0 0 0 3px rgba(0,212,138,.1)}
#msg-in{flex:1;background:none;border:none;outline:none;color:var(--tx);font-size:14px;resize:none;max-height:110px;line-height:1.5}
#msg-in::placeholder{color:var(--tx3)}
.emoji-btn{background:none;border:none;font-size:22px;cursor:pointer;opacity:1;transition:transform .15s;padding:2px;line-height:1;flex-shrink:0}
.emoji-btn:hover{transform:scale(1.15)}
.send-btn{width:40px;height:40px;border-radius:50%;border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .12s}
.send-btn.private{background:linear-gradient(135deg,var(--ac),#4a2db0);box-shadow:0 3px 12px var(--glow)}
.send-btn.room{background:linear-gradient(135deg,var(--gr),#00a06a);box-shadow:0 3px 12px rgba(0,212,138,.3);color:#000}
.send-btn:hover{transform:scale(1.07)}.send-btn:active{transform:scale(.94)}
.send-btn svg{width:18px;height:18px}

.epick{position:absolute;bottom:68px;left:16px;width:316px;background:var(--s1);border:1px solid var(--b1);border-radius:16px;box-shadow:0 20px 64px rgba(0,0,0,.7);z-index:50;flex-direction:column;display:none;animation:bIn .18s ease}
.epick.open{display:flex}
.ep-search{padding:10px 12px 6px;border-bottom:1px solid var(--b2)}
.ep-search input{width:100%;background:var(--s2);border:1px solid var(--b2);border-radius:8px;padding:7px 10px;color:var(--tx);font-size:13px;outline:none}
.ep-search input:focus{border-color:var(--ac)}
.ep-cats{display:flex;gap:1px;padding:6px 8px 0;overflow-x:auto}
.ep-cats::-webkit-scrollbar{display:none}
.ecat{background:none;border:none;font-size:17px;padding:5px 6px;border-radius:7px;cursor:pointer;opacity:.55;transition:all .12s;flex-shrink:0}
.ecat.on,.ecat:hover{background:var(--s2);opacity:1}
.egrid{display:grid;grid-template-columns:repeat(8,1fr);gap:1px;padding:6px 8px 10px;max-height:190px;overflow-y:auto}
.em{background:none;border:none;font-size:20px;padding:5px 3px;border-radius:7px;cursor:pointer;transition:background .1s,transform .1s;line-height:1;text-align:center}
.em:hover{background:var(--s2);transform:scale(1.2)}
.ep-rec{padding:5px 8px 0;border-bottom:1px solid var(--b2)}
.ep-rec-label{font-size:9px;color:var(--tx3);font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-bottom:3px}
.ep-rec-row{display:flex;flex-wrap:wrap;gap:1px;padding-bottom:4px}

.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);display:none;align-items:center;justify-content:center;z-index:200;backdrop-filter:blur(4px)}
.modal-overlay.open{display:flex}
.modal-box{width:460px;max-width:calc(100vw - 32px);background:var(--s1);border:1px solid var(--b1);border-radius:20px;padding:32px;box-shadow:0 32px 80px rgba(0,0,0,.8);animation:bIn .2s ease}
.mhead{display:flex;align-items:center;gap:10px;margin-bottom:24px}
.m-icon{width:38px;height:38px;background:linear-gradient(135deg,var(--ac),var(--ac2));border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 0 18px var(--glow)}
.m-title{font-size:17px;font-weight:700}.m-sub{font-size:11px;color:var(--tx2);font-family:var(--mono);margin-top:2px}
.m-close{margin-left:auto;background:none;border:none;color:var(--tx2);font-size:18px;cursor:pointer;padding:4px;border-radius:6px;transition:color .15s;line-height:1}
.m-close:hover{color:var(--rd)}
.mf{margin-bottom:14px}
.mf label{display:block;font-size:11px;font-weight:600;color:var(--tx2);text-transform:uppercase;letter-spacing:.8px;margin-bottom:6px}
.mf input,.mf textarea{width:100%;padding:10px 13px;background:var(--s2);border:1px solid var(--b2);border-radius:8px;color:var(--tx);font-size:14px;outline:none;resize:none;transition:border-color .15s,box-shadow .15s}
.mf input:focus,.mf textarea:focus{border-color:var(--ac);box-shadow:0 0 0 3px rgba(110,70,255,.12)}
.mf input::placeholder,.mf textarea::placeholder{color:var(--tx3)}
.mf-hint{font-size:11px;color:var(--tx2);margin-top:5px}
.m-send-btn{width:100%;padding:12px;background:linear-gradient(135deg,var(--ac),#4a2db0);border:none;border-radius:8px;color:#fff;font-size:14px;font-weight:600;cursor:pointer;margin-top:4px;transition:all .15s;box-shadow:0 4px 16px var(--glow)}
.m-send-btn:disabled{opacity:.6;cursor:not-allowed}
.m-send-btn:hover{transform:translateY(-1px)}
.m-send-btn:disabled{opacity:.5;cursor:default;transform:none}

#pc-modal,#forgot-modal,#reset-modal,#room-invite-modal,#join-invite-modal{position:fixed;inset:0;background:rgba(0,0,0,.7);display:none;align-items:center;justify-content:center;z-index:250;backdrop-filter:blur(4px)}
#pc-modal.open,#forgot-modal.open,#reset-modal.open,#room-invite-modal.open,#join-invite-modal.open{display:flex}
.pc-box{width:380px;max-width:calc(100vw - 32px);max-height:calc(100vh - 32px);overflow-y:auto;background:var(--s1);border:1px solid var(--b1);border-radius:18px;padding:28px;box-shadow:0 32px 80px rgba(0,0,0,.9);animation:bIn .2s ease}
.pc-title{font-size:15px;font-weight:700;margin-bottom:5px}
.pc-sub{font-size:12px;color:var(--tx2);margin-bottom:16px;font-family:var(--mono);line-height:1.5}
.pc-inp{width:100%;padding:11px 13px;background:var(--s2);border:1px solid var(--b1);border-radius:8px;color:var(--tx);font-family:var(--mono);font-size:14px;outline:none;letter-spacing:.5px;margin-bottom:8px;transition:border-color .15s,box-shadow .15s}
.pc-inp:focus{border-color:var(--ac);box-shadow:0 0 0 3px rgba(110,70,255,.12)}
.pc-inp::placeholder{color:var(--tx3);letter-spacing:0;font-family:var(--font)}
.pc-save{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--tx2);margin-bottom:16px;cursor:pointer}
.pc-save input{accent-color:var(--ac)}
.pc-btns{display:flex;gap:8px}
.pc-plain-btn{width:100%;margin-top:10px;padding:10px;background:transparent;border:none;color:var(--tx2);font-size:12px;font-family:var(--font);text-decoration:underline;cursor:pointer;text-align:center}
.pc-plain-btn:hover{color:var(--ac)}
.pc-ok{flex:1;padding:10px;background:linear-gradient(135deg,var(--ac),#4a2db0);border:none;border-radius:8px;color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s}
.pc-ok:hover{transform:translateY(-1px);box-shadow:0 6px 18px var(--glow)}
.pc-cancel{padding:10px 14px;background:var(--s3);border:1px solid var(--b1);border-radius:8px;color:var(--tx2);font-size:13px;cursor:pointer}

#key-modal{position:fixed;bottom:20px;right:20px;width:288px;background:var(--s2);border:1px solid var(--ac);border-radius:16px;padding:18px;box-shadow:0 12px 40px rgba(0,0,0,.7);z-index:300;display:none;animation:bIn .2s ease}
#key-modal.open{display:block}
.km-head{font-size:13px;font-weight:700;margin-bottom:5px}.km-sub{font-size:11px;color:var(--tx2);margin-bottom:10px}
.km-inp{width:100%;background:var(--s3);border:1px solid var(--b1);border-radius:8px;padding:8px 10px;color:var(--tx);font-family:var(--mono);font-size:13px;outline:none;margin-bottom:8px;letter-spacing:.5px;transition:border-color .15s}
.km-inp:focus{border-color:var(--ac)}
.km-row{display:flex;gap:6px}
.km-send{flex:1;background:linear-gradient(135deg,var(--ac),#4a2db0);border:none;border-radius:8px;color:#fff;font-size:12px;font-weight:600;padding:8px;cursor:pointer}
.km-dismiss{background:var(--s3);border:1px solid var(--b1);border-radius:8px;color:var(--tx2);font-size:12px;padding:8px 12px;cursor:pointer}

#share-modal{position:fixed;inset:0;background:rgba(0,0,0,.7);display:none;align-items:center;justify-content:center;z-index:200;backdrop-filter:blur(4px)}
#share-modal.open{display:flex}
.share-modal-box{width:420px;max-width:calc(100vw - 32px);background:var(--s1);border:1px solid rgba(0,212,138,.25);border-radius:20px;padding:32px;box-shadow:0 32px 80px rgba(0,0,0,.8);animation:bIn .2s ease}
.sm-head{text-align:center;margin-bottom:24px}
.sm-icon{width:52px;height:52px;background:linear-gradient(135deg,var(--gr),#00a06a);border-radius:14px;display:inline-flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:12px;box-shadow:0 0 24px rgba(0,212,138,.3)}
.sm-title{font-size:18px;font-weight:700}
.sm-sub{font-size:12px;color:var(--tx2);font-family:var(--mono);margin-top:4px}
.sm-section{background:var(--s2);border-radius:10px;padding:14px;margin-bottom:12px;border:1px solid var(--b2)}
.sm-label{font-size:10px;font-weight:700;color:var(--tx2);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px;font-family:var(--mono)}
.sm-url{font-size:12px;color:var(--tx);font-family:var(--mono);word-break:break-all;line-height:1.5}
.sm-copy-row{display:flex;gap:8px;margin-top:8px}
.sm-copy-btn{flex:1;padding:8px;background:var(--ac);border:none;border-radius:7px;color:#fff;font-size:12px;font-weight:600;cursor:pointer;transition:opacity .15s}
.sm-copy-btn:hover{opacity:.85}
.sm-close-btn{padding:12px;background:var(--s3);border:1px solid var(--b1);border-radius:8px;color:var(--tx2);font-size:13px;cursor:pointer;width:100%;margin-top:4px;font-family:var(--font)}

#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(70px);background:var(--s2);border:1px solid var(--b1);color:var(--tx);font-size:13px;padding:9px 18px;border-radius:22px;box-shadow:0 8px 32px rgba(0,0,0,.6);z-index:9997;transition:transform .28s cubic-bezier(.34,1.56,.64,1);white-space:nowrap;max-width:calc(100vw - 32px);overflow:hidden;text-overflow:ellipsis}
#toast.show{transform:translateX(-50%) translateY(0)}

@media(max-width:660px){
  .hamburger{display:flex}
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:none}
  .sb-backdrop.open{display:block}
  .main{margin-left:0}
  .epick{width:calc(100vw - 24px);left:8px}
  .bubble-wrap{max-width:86%}
  .chat-head{padding-left:12px;padding-right:12px;gap:6px}
  .chat-head #chat-search-btn{display:none}
  .ch-info{min-width:0}
  .ch-name,.ch-sub{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .call-btn{width:32px;height:32px}
  .chat-back-btn{display:flex}
  /* While a conversation is open, it takes the whole screen (WhatsApp-
     style) — the sidebar-toggle hamburger and the bottom tab bar both
     step aside, and the back arrow above is the only way in or out. */
  #app.chat-active .hamburger{display:none}
  #app.users-active .hamburger{display:none}
  #app.chat-active .bottom-nav{display:none}
  #app.chat-active .main{height:100dvh}
  /* FIX (mobile menu icon overlap, room mode): the sidebar-toggle
     hamburger stays visible in an anonymous room (it still opens the
     sidebar with room details/members), but the room chat-head used to
     start flush against the same top-left corner the fixed hamburger
     sits in, so the room icon and "Trenzaq" sat underneath it. Reserve
     space instead of hiding the icon: push the chat-head's content over
     by the hamburger's own width + a gap, so they sit side by side. */
  #app.room-mode .chat-head{padding-left:54px}
  #key-modal{width:calc(100vw - 32px);left:16px;right:16px;bottom:16px}
  .mode-cards{flex-direction:column;align-items:center}
  .mode-card{min-width:280px}
  /* FIX (mobile input bar): keep chat-view a true flex column filling
     the visible height, and pin the input bar to the bottom of it so
     it can't be pushed off-screen or hidden behind the keyboard. */
  #chat-view{height:100%}
  .input-bar{position:sticky;bottom:0}
  .jump-latest-btn{bottom:92px;right:16px}
}
@media(max-width:660px){
  /* The account-menu hamburger (top-right, opened the account/settings
     panel) used to overlap the sidebar-toggle hamburger (top-left) —
     removed entirely now that the bottom nav's Settings tab reaches the
     same panel, so there's no longer a second icon doing the same job.
     Its inline copy inside the sidebar (desktop layout) stays hidden on
     mobile for the same reason. */
  .acct-hamburger{display:none !important}
  .sidebar .me-row #account-menu-btn{display:none}
}

/* ═══════════════════════════════════════════════════════════
   INFO / ABOUT MODAL + info icon buttons
═══════════════════════════════════════════════════════════ */
.info-btn{background:none;border:1px solid var(--b1);border-radius:9px;color:var(--tx2);cursor:pointer;width:34px;height:34px;display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0}
.info-btn:hover{color:var(--ac2);background:var(--b2);border-color:var(--ac)}
.landing-info-btn{position:absolute;top:18px;right:18px;width:38px;height:38px}
#info-modal .modal-box{width:520px;max-height:calc(100vh - 48px);overflow-y:auto}
.info-sec{display:flex;gap:12px;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--b2)}
.info-sec:last-of-type{border-bottom:none;margin-bottom:0;padding-bottom:0}
.info-sec-icon{width:34px;height:34px;border-radius:9px;background:var(--b2);border:1px solid var(--b1);color:var(--ac2);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.info-sec-title{font-size:13px;font-weight:700;margin-bottom:3px}
.info-sec-body{font-size:12px;color:var(--tx2);line-height:1.6}
.info-foot{margin-top:18px;padding-top:14px;border-top:1px solid var(--b2);font-size:10px;color:var(--tx3);font-family:var(--mono);text-align:center;line-height:1.7}

/* ═══════════════════════════════════════════════════════════
   SETTINGS MODAL — notification sound, volume, desktop alerts
═══════════════════════════════════════════════════════════ */
#settings-modal .modal-box{width:440px}
.set-group{margin-bottom:18px}
.set-group:last-child{margin-bottom:0}
.set-label-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;gap:10px}
.set-label{font-size:12px;font-weight:600;color:var(--tx)}
.set-hint{font-size:11px;color:var(--tx2);margin-top:6px;line-height:1.5}
.set-select{width:100%;padding:9px 12px;background:var(--s2);border:1px solid var(--b1);border-radius:8px;color:var(--tx);font-size:13px;outline:none;font-family:var(--font);cursor:pointer}
.set-select:focus{border-color:var(--ac)}
.set-row{display:flex;gap:8px;align-items:center}
.set-test-btn{background:var(--b2);border:1px solid var(--b1);border-radius:8px;color:var(--ac2);padding:9px 14px;font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap;transition:all .15s;display:flex;align-items:center;gap:6px}
.set-test-btn:hover{background:var(--b1)}
.set-range{flex:1;accent-color:var(--ac);cursor:pointer}
.set-switch{position:relative;display:inline-block;width:40px;height:22px;flex-shrink:0}
.set-switch input{opacity:0;width:0;height:0}
.set-slider{position:absolute;cursor:pointer;inset:0;background:var(--s3);border:1px solid var(--b1);transition:.2s;border-radius:22px}
.set-slider::before{position:absolute;content:"";height:16px;width:16px;left:2px;top:2px;background:var(--tx2);transition:.2s;border-radius:50%}
.set-switch input:checked + .set-slider{background:var(--ac);border-color:var(--ac)}
.set-switch input:checked + .set-slider::before{transform:translateX(18px);background:#fff}
.set-perm-note{font-size:10px;color:var(--am);font-family:var(--mono);margin-top:6px}

/* ═══════════════════════════════════════════════════════════
   FAVORITES LIST MODAL
═══════════════════════════════════════════════════════════ */
#favorites-modal .modal-box{width:400px}
#favorites-list{display:flex;flex-direction:column;gap:6px;max-height:340px;overflow-y:auto}
.fav-empty{font-size:12.5px;color:var(--tx2);line-height:1.6;text-align:center;padding:24px 8px}
.fav-row{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;border:1px solid var(--b1);background:var(--s2);cursor:pointer;transition:all .15s}
.fav-row:hover{border-color:var(--ac);background:var(--b2)}
.fav-row-name{flex:1;font-size:13px;font-weight:600;color:var(--tx)}
.fav-row-remove{width:26px;height:26px;border-radius:7px;border:none;background:none;color:var(--tx3);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:all .15s}
.fav-row-remove:hover{color:var(--rd);background:var(--rd2)}
.fav-row-remove svg{width:13px;height:13px}

/* ═══════════════════════════════════════════════════════════
   PAYWALL — tips, room unlocks, feature unlocks
═══════════════════════════════════════════════════════════ */
#paywall-modal .modal-box{width:420px}
.pw-products{display:flex;flex-direction:column;gap:10px}
.pw-product-card{display:flex;align-items:center;gap:12px;padding:14px;border-radius:12px;border:1px solid var(--b1);background:var(--s2);cursor:pointer;transition:all .15s}
.pw-product-card:hover{border-color:var(--ac);background:var(--b2)}
.pw-product-emoji{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--b2);border-radius:10px;flex-shrink:0;color:var(--ac2)}
.pw-product-emoji svg{width:20px;height:20px}
.pw-product-card[data-product="room_premium"] .pw-product-emoji{color:var(--am);background:var(--am2)}
.pw-brand-badge{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pw-brand-badge svg{width:16px;height:16px}
.pw-product-info{flex:1;min-width:0}
.pw-product-name{font-size:13px;font-weight:700;color:var(--tx)}
.pw-product-desc{font-size:11px;color:var(--tx2);margin-top:2px;line-height:1.4}
.pw-product-price{font-size:12px;font-weight:700;color:var(--ac2);white-space:nowrap;flex-shrink:0}
.pw-sale-badge{display:inline-block;font-size:9px;font-weight:800;letter-spacing:.5px;color:#fff;background:var(--rd);border-radius:5px;padding:2px 5px;vertical-align:middle;margin-left:4px}
.pw-price-was{font-size:10px;color:var(--tx3);text-decoration:line-through;font-weight:600;margin-right:4px}
.pw-gift-toggle{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tx);padding:10px 2px;cursor:pointer;user-select:none}
.pw-gift-toggle input{width:16px;height:16px;accent-color:var(--ac);cursor:pointer}
.pw-gift-icon{width:20px;height:20px;object-fit:contain;flex-shrink:0}
.pw-gift-inp{margin-bottom:8px}
.pw-gift-err{font-size:12px;color:var(--rd);margin:-4px 0 10px;text-align:center}
.pw-back-btn{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--tx2);cursor:pointer;margin-bottom:14px;background:none;border:none;padding:0}
.pw-back-btn:hover{color:var(--tx)}
.pw-method-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:14px;border-radius:12px;border:1px solid var(--b1);background:var(--s2);color:var(--tx);font-size:13px;font-weight:700;cursor:pointer;margin-bottom:10px;transition:all .15s}
.pw-method-btn:hover{border-color:var(--ac);background:var(--b2)}
.pw-method-btn svg{width:18px;height:18px}
.pw-phone-inp{width:100%;padding:12px;background:var(--s2);border:1px solid var(--b1);border-radius:10px;color:var(--tx);font-size:14px;margin-bottom:12px;outline:none;font-family:var(--font)}
.pw-phone-inp:focus{border-color:var(--ac)}
.pw-crypto-box{display:flex;flex-direction:column;gap:4px}
.pw-crypto-amount{font-size:15px;font-weight:700;color:var(--tx);text-align:center;margin-top:4px}
.pw-crypto-network{font-size:11px;color:var(--tx2);text-align:center;margin-bottom:10px;font-family:var(--mono)}
.pw-crypto-address{font-family:var(--mono);font-size:12px;background:var(--s2);border:1px solid var(--b1);border-radius:10px;padding:12px;color:var(--ac2);word-break:break-all;cursor:pointer;text-align:center;transition:border-color .15s}
.pw-crypto-address:hover{border-color:var(--ac)}
.pw-crypto-hint{font-size:11px;color:var(--tx2);margin:10px 0;line-height:1.5}
.pw-crypto-err{font-size:12px;color:var(--rd);margin-top:8px;text-align:center}
#pw-paypal-buttons,#pw-paypal-sub-buttons{min-height:44px}
.pw-loading{text-align:center;padding:24px;color:var(--tx2);font-size:13px}
.pw-pending{display:flex;flex-direction:column;align-items:center;text-align:center;padding:20px 8px}
.pw-spinner{width:44px;height:44px;border:3px solid var(--b2);border-top-color:var(--ac);border-radius:50%;animation:pwspin .8s linear infinite;margin-bottom:16px}
@keyframes pwspin{to{transform:rotate(360deg)}}
.pw-pending-title{font-size:14px;font-weight:700;color:var(--tx);margin-bottom:6px}
.pw-pending-sub{font-size:12px;color:var(--tx2);line-height:1.6;margin-bottom:16px}
.pw-success{display:flex;flex-direction:column;align-items:center;text-align:center;padding:24px 8px}
.pw-success-icon{width:56px;height:56px;border-radius:50%;background:var(--gr2);color:var(--gr);display:flex;align-items:center;justify-content:center;margin-bottom:16px;animation:pwpop .3s ease}
@keyframes pwpop{0%{transform:scale(0)}70%{transform:scale(1.15)}100%{transform:scale(1)}}
.pw-success-title{font-size:15px;font-weight:700;color:var(--tx);margin-bottom:6px}
.pw-supporter-badge{width:16px;height:16px;object-fit:contain;flex-shrink:0;vertical-align:-3px;margin-left:2px}
.room-upgrade-btn{background:none;border:1px solid var(--b1);border-radius:9px;color:var(--am);cursor:pointer;width:34px;height:34px;display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0}
.room-upgrade-btn:hover{background:var(--am2);border-color:var(--am)}

/* ═══════════════════════════════════════════════════════════
   UNREAD BADGES
═══════════════════════════════════════════════════════════ */
.unread-badge{background:var(--ac);color:#fff;font-size:10px;font-weight:700;min-width:16px;height:16px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 4px;flex-shrink:0}
.room-unread-badge{background:var(--gr);color:#000}

/* ═══════════════════════════════════════════════════════════
   MESSAGE TICKS (sent / delivered / read)
═══════════════════════════════════════════════════════════ */
.ticks{display:inline-flex;align-items:center}
.ticks svg{width:14px;height:14px}
.tick-sent{color:var(--tx3)}
.tick-delivered{color:var(--tx2)}
.tick-read{color:var(--ac2)}

/* ═══════════════════════════════════════════════════════════
   JUMP TO LATEST
═══════════════════════════════════════════════════════════ */
.jump-latest-btn{position:absolute;bottom:78px;right:24px;background:var(--s2);border:1px solid var(--b1);color:var(--tx);width:40px;height:40px;border-radius:50%;display:none;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.4);z-index:5;transition:transform .15s}
.jump-latest-btn.show{display:flex}
.jump-latest-btn:hover{transform:translateY(-2px)}
.jump-latest-badge{position:absolute;top:-6px;right:-6px;background:var(--rd);color:#fff;font-size:9px;font-weight:700;min-width:16px;height:16px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 3px}

/* ═══════════════════════════════════════════════════════════
   COPY-ON-HOVER for message bubbles
═══════════════════════════════════════════════════════════ */
.bubble-wrap{position:relative}
.bubble-copy-btn{position:absolute;top:-9px;background:var(--s2);border:1px solid var(--b1);color:var(--tx2);width:22px;height:22px;border-radius:6px;display:none;align-items:center;justify-content:center;cursor:pointer;transition:all .12s}
.bubble-wrap:hover .bubble-copy-btn{display:flex}
.bubble-copy-btn:hover{color:var(--ac2);border-color:var(--ac)}
.bubble-wrap.mine .bubble-copy-btn{right:0}
.bubble-wrap.theirs .bubble-copy-btn{left:0}
.bubble-copy-btn svg{width:12px;height:12px}

/* ═══════════════════════════════════════════════════════════
   FILE ATTACHMENTS
═══════════════════════════════════════════════════════════ */
.attach-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--b1);background:var(--s2);color:var(--tx2);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}
.attach-btn:hover{color:var(--ac2);border-color:var(--ac)}
.attach-btn svg{width:18px;height:18px}
.file-bubble{padding:8px;border-radius:14px;background:var(--s2);border:1px solid var(--b1);min-width:180px;max-width:260px}
.bubble-wrap.mine .file-bubble{border-bottom-right-radius:3px}
.bubble-wrap.theirs .file-bubble{border-bottom-left-radius:3px}
.file-bubble.doc-file{display:flex;align-items:center;gap:10px}
.file-bubble.img-file{display:flex;flex-direction:column;gap:6px}
.file-img-preview{width:100%;max-height:220px;object-fit:cover;border-radius:9px;cursor:zoom-in;display:block}
.file-chip-row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.file-chip-icon{width:36px;height:36px;border-radius:9px;background:var(--b2);border:1px solid var(--b1);color:var(--ac2);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.file-chip-icon svg{width:18px;height:18px}
.file-chip-meta{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}
.file-chip-name{font-size:12.5px;font-weight:600;color:var(--tx);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:170px}
.file-chip-size{font-size:10px;color:var(--tx3);font-family:var(--mono)}
.file-download-btn{width:28px;height:28px;border-radius:8px;background:var(--b2);border:1px solid var(--b1);color:var(--ac2);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s;text-decoration:none}
.file-download-btn:hover{background:var(--b1);color:var(--ac)}
.file-download-btn svg{width:14px;height:14px}

/* ═══════════════════════════════════════════════════════════
   ROOM INVITE BUBBLE
═══════════════════════════════════════════════════════════ */
.room-invite-bubble{display:flex;align-items:center;gap:10px;padding:12px;border-radius:14px;background:var(--gr2);border:1px solid rgba(0,212,138,.25);min-width:220px;max-width:280px;flex-wrap:wrap}
.room-invite-bubble.mine{background:var(--s2);border-color:var(--b1)}
.room-invite-icon{width:36px;height:36px;border-radius:10px;background:var(--gr);color:#000;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.room-invite-bubble.mine .room-invite-icon{background:var(--b2);color:var(--tx2)}
.room-invite-icon svg{width:18px;height:18px}
.room-invite-text{flex:1;min-width:120px}
.room-invite-title{font-size:12.5px;font-weight:700;color:var(--tx)}
.room-invite-sub{font-size:10.5px;color:var(--tx2);margin-top:2px;line-height:1.4}
.room-invite-join-btn{width:100%;padding:8px;background:var(--gr);border:none;border-radius:8px;color:#000;font-size:11.5px;font-weight:700;cursor:pointer;transition:transform .15s}
.room-invite-join-btn:hover{transform:translateY(-1px)}

/* ══════════ VOICE MESSAGES ══════════ */
.mic-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--b1);background:var(--s2);color:var(--tx2);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}
.mic-btn:hover{color:var(--ac2);border-color:var(--ac)}
.mic-btn.recording{background:var(--rd);border-color:var(--rd);color:#fff;animation:micpulse 1.2s ease-in-out infinite}
@keyframes micpulse{0%,100%{box-shadow:0 0 0 0 rgba(255,69,96,.5)}50%{box-shadow:0 0 0 8px rgba(255,69,96,0)}}
.mic-btn svg{width:18px;height:18px}
.recording-indicator{display:none;align-items:center;gap:8px;flex:1;padding:0 10px;font-family:var(--mono);font-size:12px;color:var(--rd)}
.recording-indicator.show{display:flex}
.recording-dot{width:8px;height:8px;border-radius:50%;background:var(--rd);animation:micpulse 1s infinite}
.recording-hint{color:var(--tx2);font-size:10px;margin-left:auto}
.voice-bubble{display:flex;align-items:center;gap:10px;padding:9px 13px;border-radius:15px;min-width:190px;background:var(--s2);border:1px solid var(--b1)}
.bubble-wrap.mine .voice-bubble{background:linear-gradient(135deg,var(--ac),#4a2db0);border:none}
.bubble-wrap.mine.room .voice-bubble{background:linear-gradient(135deg,var(--gr),#007a50)}
.voice-play-btn{width:30px;height:30px;border-radius:50%;border:none;background:rgba(255,255,255,.18);color:inherit;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}
.voice-play-btn svg{width:14px;height:14px}
.voice-wave{flex:1;height:22px;display:flex;align-items:center;gap:2px}
.voice-wave span{width:2px;background:currentColor;opacity:.55;border-radius:2px}
.voice-duration{font-size:10px;font-family:var(--mono);opacity:.85;flex-shrink:0}

/* ═══════════════════════════════════════════════════════════
   MESSAGE SEARCH — within the currently open chat
═══════════════════════════════════════════════════════════ */
.search-btn{background:none;border:1px solid var(--b1);border-radius:9px;color:var(--tx2);cursor:pointer;width:34px;height:34px;display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0}
.search-btn:hover{color:var(--ac2);background:var(--b2);border-color:var(--ac)}
.search-bar{display:none;align-items:center;gap:8px;padding:8px 20px;border-bottom:1px solid var(--b1);background:var(--s1);flex-shrink:0}
.search-bar.open{display:flex}
.search-bar input{flex:1;background:var(--s2);border:1px solid var(--b1);border-radius:8px;padding:8px 12px;color:var(--tx);font-size:13px;outline:none}
.search-bar input:focus{border-color:var(--ac)}
.search-count{font-size:11px;color:var(--tx2);font-family:var(--mono);white-space:nowrap}
.search-nav-btn{background:var(--s2);border:1px solid var(--b1);border-radius:7px;color:var(--tx2);width:26px;height:26px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}
.search-nav-btn:hover{color:var(--ac2);border-color:var(--ac)}
.search-nav-btn svg{width:14px;height:14px}
.search-close-btn{background:none;border:none;color:var(--tx2);cursor:pointer;width:26px;height:26px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.search-close-btn:hover{color:var(--tx)}
.bubble-wrap.search-match .bubble{outline:2px solid var(--am)}
.bubble-wrap.search-current .bubble{outline:2px solid var(--ac);box-shadow:0 0 0 4px var(--glow)}
mark.search-hl{background:var(--am);color:#000;border-radius:2px;padding:0 1px}

/* ══════════════════════════════════════════════════════════════
   VOICE / VIDEO CALLS — WebRTC signaling is handled in JS; this is
   purely the UI: header call buttons, the incoming-call ring modal,
   and the full-screen in-call view (works for both 1:1 and the
   room mesh group calls).
═══════════════════════════════════════════════════════════════ */
.call-btn{color:var(--gr)}
.call-btn:hover{color:var(--gr);background:var(--gr2);border-color:var(--gr)}
.call-btn.disabled{opacity:.35;cursor:not-allowed;pointer-events:none}
.call-btn.in-call{color:#fff;background:var(--gr);border-color:var(--gr);animation:callBtnPulse 1.4s ease-in-out infinite}
@keyframes callBtnPulse{0%,100%{box-shadow:0 0 0 0 var(--gr2)}50%{box-shadow:0 0 0 6px transparent}}

/* ---------- Incoming call ring modal ---------- */
.call-modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);z-index:90;display:none}
.call-modal-backdrop.open{display:block}
.call-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.92);width:min(320px,88vw);background:var(--s1);border:1px solid var(--b1);border-radius:20px;padding:28px 20px 22px;z-index:91;display:none;flex-direction:column;align-items:center;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.call-modal.open{display:flex;animation:callModalIn .25s cubic-bezier(.3,.9,.4,1.2)}
@keyframes callModalIn{from{opacity:0;transform:translate(-50%,-50%) scale(.85)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.call-modal-avatar{width:76px;height:76px;border-radius:50%;background:linear-gradient(135deg,var(--ac),var(--ac2));display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:800;color:#fff;margin-bottom:14px;animation:callAvatarRing 1.6s ease-in-out infinite}
@keyframes callAvatarRing{0%,100%{box-shadow:0 0 0 0 var(--glow)}50%{box-shadow:0 0 0 14px transparent}}
.call-modal-name{font-size:18px;font-weight:800;color:var(--tx)}
.call-modal-sub{font-size:13px;color:var(--tx2);margin-top:4px}
.call-modal-actions{display:flex;gap:36px;margin-top:26px}
.call-choice-row{display:flex;gap:14px;margin-top:22px;width:100%}
.call-choice-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 10px;background:var(--s2);border:1px solid var(--b1);border-radius:14px;color:var(--tx);cursor:pointer;font-size:12px;font-weight:600;transition:all .15s}
.call-choice-btn:hover{border-color:var(--ac);background:var(--b2)}
.call-choice-btn svg{width:22px;height:22px;color:var(--gr)}
.call-choice-cancel{width:100%;margin-top:14px;padding:10px;background:none;border:none;color:var(--tx2);font-size:13px;cursor:pointer;border-radius:8px}
.call-choice-cancel:hover{background:var(--s2);color:var(--tx)}
.call-action-btn{width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;transition:transform .15s}
.call-action-btn:hover{transform:scale(1.08)}
.call-action-btn.accept{background:var(--gr)}
.call-action-btn.decline{background:var(--rd)}
.call-action-btn.decline svg{transform:rotate(135deg)}

/* ---------- Full-screen in-call view ---------- */
.call-screen{position:fixed;inset:0;background:#0a0a0e;z-index:92;display:none;flex-direction:column}
.call-screen.open{display:flex}
/* Wallpaper backdrop — sits behind everything. Default is a slow-drifting
   brand-color gradient (no image needed); pick "Custom" in the wallpaper
   sheet to use an uploaded image instead, applied inline via JS. */
.call-screen-bg{position:absolute;inset:0;z-index:0;background:linear-gradient(135deg,#2c1a54,#171730 45%,#0a0a14 100%);background-size:220% 220%;animation:call-bg-drift 20s ease-in-out infinite;filter:saturate(1.15)}
.call-screen-bg.has-custom{animation:none;background-size:cover;background-position:center}
.call-screen-bg::after{content:'';position:absolute;inset:0;background:rgba(0,0,0,.28)}
@keyframes call-bg-drift{0%,100%{background-position:0% 40%}50%{background-position:100% 60%}}
.call-screen-head{padding:16px 20px;text-align:center;flex-shrink:0;position:relative;z-index:1;display:flex;align-items:center;justify-content:center;gap:10px}
.call-screen-name{font-size:16px;font-weight:700;color:#fff}
.call-screen-timer{font-size:12px;color:rgba(255,255,255,.6);font-family:var(--mono);margin-top:2px}
.call-wallpaper-btn{position:absolute;right:16px;top:14px;width:34px;height:34px;border-radius:50%;border:none;background:rgba(255,255,255,.12);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}
.call-wallpaper-btn:hover{background:rgba(255,255,255,.2)}
.call-video-grid{flex:1;display:grid;gap:6px;padding:6px;grid-template-columns:1fr;overflow:hidden;position:relative;z-index:1}
.call-video-grid[data-count="2"]{grid-template-columns:repeat(2,1fr)}
.call-video-grid[data-count="3"],.call-video-grid[data-count="4"]{grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(2,1fr)}
.call-video-grid[data-count="5"],.call-video-grid[data-count="6"],.call-video-grid[data-count="7"],.call-video-grid[data-count="8"],.call-video-grid[data-count="9"]{grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr)}
.call-tile{position:relative;background:#15151c;border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:0}
.call-tile video{width:100%;height:100%;object-fit:cover}
.call-tile.voice-only video{display:none}
/* Voice tiles float over the wallpaper instead of sitting in a flat dark
   box — group calls get a soft frosted-glass panel; a 1:1 call (the
   common case) goes fully transparent so the wallpaper reads as the
   whole scene, closer to Telegram/WhatsApp's voice-call screen. */
.call-tile.voice-only{background:rgba(255,255,255,.045);backdrop-filter:blur(24px);flex-direction:column;gap:14px}
.call-video-grid[data-count="1"] .call-tile.voice-only:not(.local-tile){background:transparent;backdrop-filter:none;border-radius:0}
.call-tile.muted-remote::after{content:'🔇';position:absolute;top:8px;right:8px;font-size:14px}
.call-tile-avatar{position:relative;width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--ac),var(--ac2));display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;color:#fff;flex-shrink:0}
/* Big pulsing "live" avatar for a 1:1 voice call — the Telegram-style
   presence screen, instead of a small boxed-in circle on flat black. */
.call-video-grid[data-count="1"] .call-tile.voice-only:not(.local-tile) .call-tile-avatar{width:min(42vw,190px);height:min(42vw,190px);font-size:min(15vw,68px);box-shadow:0 12px 40px rgba(0,0,0,.4)}
.call-video-grid[data-count="1"] .call-tile.voice-only:not(.local-tile) .call-tile-avatar::before,
.call-video-grid[data-count="1"] .call-tile.voice-only:not(.local-tile) .call-tile-avatar::after{content:'';position:absolute;inset:-14px;border-radius:50%;border:2px solid rgba(255,255,255,.5);opacity:0;animation:call-pulse-ring 2.6s ease-out infinite}
.call-video-grid[data-count="1"] .call-tile.voice-only:not(.local-tile) .call-tile-avatar::after{animation-delay:1.3s}
@keyframes call-pulse-ring{0%{transform:scale(.9);opacity:.5}100%{transform:scale(1.4);opacity:0}}
.call-video-grid[data-count="1"] .call-tile.voice-only:not(.local-tile) .call-tile-label{position:static;font-size:19px;font-weight:700;text-shadow:none;color:#fff}
.call-tile-label{position:absolute;bottom:8px;left:10px;font-size:12px;font-weight:600;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.6)}
/* Self-view mirrors like a real mirror (what you expect looking at
   yourself) — the remote side never gets this, so your movements/any text
   on your shirt appear correctly oriented to the person you're calling. */
.call-tile.local-tile video{transform:scaleX(-1)}
.call-tile.local-tile{position:absolute;bottom:110px;right:16px;width:96px;height:130px;z-index:2;border:2px solid rgba(255,255,255,.25);box-shadow:0 6px 20px rgba(0,0,0,.4);cursor:grab}
.call-tile.local-tile:active{cursor:grabbing}
.call-video-grid:has(.call-tile:only-child) .local-tile,
.call-video-grid[data-count="1"] .local-tile{position:absolute;bottom:16px;right:16px}
.call-screen-controls{display:flex;justify-content:space-around;align-items:flex-start;padding:18px 16px calc(18px + env(safe-area-inset-bottom));flex-shrink:0;position:relative;z-index:1}
.call-ctrl{display:flex;flex-direction:column;align-items:center;gap:7px}
.call-ctrl-label{font-size:11px;color:rgba(255,255,255,.72);font-weight:500}
.call-ctrl-btn{width:56px;height:56px;border-radius:50%;border:none;background:rgba(255,255,255,.12);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}
.call-ctrl-btn:disabled{opacity:.4;cursor:default}
.call-ctrl-btn:hover{background:rgba(255,255,255,.2)}
.call-ctrl-btn.active-off{background:var(--rd);color:#fff}
.call-ctrl-btn.end{background:var(--rd)}
.call-ctrl-btn.end:hover{background:#e02f2f}
.call-ctrl-btn#call-speaker-btn.active-off{background:rgba(255,255,255,.12);color:#fff}
.call-ctrl-btn#call-speaker-btn:not(.active-off){background:var(--ac);color:#fff}
.tap-to-play{position:absolute;inset:0;width:100%;height:100%;border:none;background:rgba(0,0,0,.55);color:#fff;font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;text-align:center;padding:12px;z-index:3}
.tap-to-play:hover{background:rgba(0,0,0,.7)}

/* Wallpaper picker sheet */
.wallpaper-sheet{position:fixed;inset:0;z-index:95;display:none;align-items:flex-end;justify-content:center;background:rgba(0,0,0,.5)}
.wallpaper-sheet.open{display:flex}
.wallpaper-sheet-panel{background:var(--s1,#15151f);border-radius:20px 20px 0 0;padding:20px;width:100%;max-width:480px;max-height:70vh;overflow-y:auto}
.wallpaper-sheet-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.wallpaper-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.wallpaper-swatch{position:relative;aspect-ratio:1;border-radius:12px;cursor:pointer;border:2px solid transparent;overflow:hidden;background-size:220% 220%;animation:call-bg-drift 12s ease-in-out infinite}
.wallpaper-swatch.selected{border-color:var(--ac)}
.wallpaper-swatch.custom-upload{background:rgba(255,255,255,.06);animation:none;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);font-size:12px;text-align:center;flex-direction:column;gap:4px}
.wallpaper-sheet-close{margin-top:16px;width:100%;padding:12px;border-radius:12px;border:none;background:rgba(255,255,255,.08);color:#fff;font-weight:600;cursor:pointer}

/* ══════════════════════════════════════════════════════════════
   BOTTOM NAV — floating pill nav (Contacts / Calls / Chats / Settings)
   plus a separate round Search button, styled after a Telegram-style
   capsule dock instead of a full-width edge-to-edge bar.
═══════════════════════════════════════════════════════════════ */
.bottom-nav{position:fixed;left:50%;bottom:14px;transform:translateX(-50%);z-index:15;display:none;
  background:rgba(19,19,32,.92);border:1px solid var(--b1);border-radius:30px;padding:6px;gap:4px;
  backdrop-filter:blur(14px);box-shadow:0 12px 40px rgba(0,0,0,.5);align-items:center;max-width:calc(100vw - 24px)}
.bn-item{background:none;border:none;color:var(--tx2);display:flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:9px 14px;border-radius:22px;cursor:pointer;position:relative;
  transition:background .18s,color .18s;white-space:nowrap}
.bn-item .icon{width:19px;height:19px}
.bn-item.active{color:#fff;background:var(--ac)}
.bn-badge{background:var(--rd);color:#fff;font-size:9px;font-weight:800;min-width:16px;height:16px;
  border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 4px}
.bn-item.active .bn-badge{background:rgba(255,255,255,.25)}
.bn-search-btn{width:38px;height:38px;border-radius:50%;background:var(--s3);border:none;color:var(--tx2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;margin-left:2px;flex-shrink:0;transition:all .15s}
.bn-search-btn:hover{color:var(--ac2);background:var(--b2)}
.bn-search-btn svg{width:17px;height:17px}

@media (max-width:860px){
  .bottom-nav{display:flex}
  /* .main and .sidebar both set their own height:100dvh / bottom:0,
     which ignores padding on #app entirely (100dvh is viewport-relative,
     not parent-relative) — so without this override, the input bar
     (and its send button) render underneath the floating bottom-nav
     instead of above it. That was the source of both the visual overlap
     and taps on the bottom-nav not registering (a different, overlapping
     element was actually receiving the click). */
  #app{padding-bottom:0}
  .main{height:calc(100dvh - 78px)}
  .sidebar{bottom:78px}
  .calls-page{bottom:78px}
}

/* ---------- Calls page (mobile-first; also usable on desktop as a third pane) ---------- */
.calls-page{display:none;flex-direction:column;position:fixed;inset:0;z-index:12;background:var(--bg);overflow-y:auto}
.calls-page.open{display:flex}
.calls-page-head{padding:16px 20px 10px;border-bottom:1px solid var(--b1);flex-shrink:0}
.calls-page-title{font-size:20px;font-weight:800;color:var(--tx)}
.users-search-row{display:flex;align-items:center;gap:8px;background:var(--s2);border:1px solid var(--b1);border-radius:10px;padding:9px 12px;margin-top:12px}
.users-search-row .icon{width:16px;height:16px;color:var(--tx2);flex-shrink:0}
.users-search-row input{flex:1;background:none;border:none;outline:none;color:var(--tx);font-size:13px}
.users-search-row input::placeholder{color:var(--tx3)}
.calls-page-body{padding:10px 16px 24px}
.calls-page-sec{font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--tx2);text-transform:uppercase;margin:14px 4px 8px}
.calls-quick-row{display:flex;gap:14px;overflow-x:auto;padding:2px 2px 6px}
.calls-quick-item{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;width:56px}
.calls-quick-av{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--ac),var(--ac2));display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:16px}
.calls-quick-name{font-size:10px;color:var(--tx2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:56px}
.calls-log-row{display:flex;align-items:center;gap:12px;padding:10px 4px;border-bottom:1px solid var(--b3)}
.calls-log-av{width:40px;height:40px;border-radius:50%;background:var(--s2);border:1px solid var(--b1);display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--tx2);font-size:14px;flex-shrink:0}
.calls-log-info{flex:1;min-width:0}
.calls-log-name{font-size:14px;font-weight:700;color:var(--tx)}
.calls-log-meta{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--tx2);margin-top:2px}
.calls-log-meta.missed{color:var(--rd)}
.calls-log-meta svg{width:12px;height:12px}
.calls-log-time{font-size:11px;color:var(--tx2);white-space:nowrap}
.calls-log-redial{background:none;border:none;color:var(--ac);cursor:pointer;width:34px;height:34px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.calls-log-empty{padding:30px 10px;text-align:center;color:var(--tx2);font-size:13px}