/* =====================================================
   Let's Talk · SevinHub theme
   ===================================================== */

:root{
  --brand-purple:#7C5CFC;
  --brand-purple-2:#9B7CFF;
  --brand-gold:#F5B800;
  --bg:#070B14;
  --bg-2:#0D1117;
  --bg-3:#151B26;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --txt:#E8ECF4;
  --txt-2:#A4ADBF;
  --txt-3:#6C7689;
  --danger:#FF4D6D;
  --ok:#4ADE80;
  --warn:#F5B800;
  --r:14px;
  --r-lg:20px;
  --shadow:0 14px 40px -10px rgba(0,0,0,.55);
  --grad: linear-gradient(135deg,var(--brand-purple) 0%, var(--brand-purple-2) 50%, var(--brand-gold) 110%);
}

*{box-sizing:border-box}
/* Force HTML `hidden` to win over our display:flex / display:grid rules */
[hidden]{display:none !important}
html,body{margin:0;padding:0;background:var(--bg);color:var(--txt);font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{min-height:100vh;min-height:100dvh}
a{color:var(--brand-purple-2);text-decoration:none}
a:hover{color:#fff}

/* Decorative radial bg */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(70% 60% at 18% 12%, rgba(124,92,252,.18) 0%, transparent 60%),
    radial-gradient(60% 50% at 84% 88%, rgba(245,184,0,.10) 0%, transparent 60%),
    radial-gradient(60% 50% at 50% 100%, rgba(124,92,252,.10) 0%, transparent 70%),
    var(--bg);
}

.hide-sm{display:inline}
@media (max-width:640px){ .hide-sm{display:none !important} }

/* ===== Header (landing + room) ===== */
.lt-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:.85rem 1rem; gap:1rem;
  position:sticky; top:0; z-index:30;
  background:rgba(7,11,20,.7);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.lt-logo{display:inline-flex;align-items:center;gap:.55rem;color:var(--txt);font-weight:700;font-size:1.05rem}
.lt-logo small{font-weight:500;color:var(--txt-2);font-size:.78rem;margin-left:.2rem}
.lt-logo-mark{
  display:inline-grid;place-items:center;width:32px;height:32px;border-radius:9px;
  background:var(--grad);font-size:1rem;box-shadow:0 6px 18px -4px rgba(124,92,252,.55)
}
.lt-logo-text{font-family:'Space Grotesk',Inter,sans-serif;letter-spacing:-.01em}
.lt-header nav{display:flex;align-items:center;gap:.55rem;font-size:.86rem;color:var(--txt-2)}
.lt-header nav a:hover{color:#fff}
.lt-pill{
  background:rgba(255,255,255,.06);border:1px solid var(--line-2);
  padding:.35rem .75rem;border-radius:999px;font-weight:600;color:var(--txt);font-size:.82rem
}
.lt-pill:hover{background:rgba(124,92,252,.18);border-color:rgba(124,92,252,.45)}

/* ===== Landing main ===== */
.lt-landing-main{max-width:1080px;margin:0 auto;padding:2.2rem 1rem 4rem}
.lt-hero{text-align:center;padding:1.5rem 0 2.5rem}
.lt-kicker{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--txt-2);
  background:rgba(255,255,255,.04);border:1px solid var(--line);padding:.4rem .8rem;border-radius:999px;
  margin-bottom:1.2rem;
}
.lt-kicker .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(74,222,128,.18)}
.lt-hero h1{
  font-family:'Space Grotesk',Inter,sans-serif;font-weight:700;
  font-size:clamp(2rem, 5.8vw, 3.4rem);line-height:1.05;margin:0 0 1rem;letter-spacing:-.02em
}
.lt-hero h1 .grad{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.lt-hero .sub{color:var(--txt-2);font-size:1.02rem;max-width:620px;margin:.4rem auto 1.8rem;line-height:1.6}

/* ===== Launch card (name + create/join) ===== */
.lt-card{
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015));
  border:1px solid var(--line-2);border-radius:var(--r-lg);
  padding:1.4rem;box-shadow:var(--shadow);
  max-width:520px;margin:0 auto;
}
.lt-launch{position:relative}
.lt-field{display:block;text-align:left;margin-bottom:1rem}
.lt-field>span{display:block;font-size:.78rem;color:var(--txt-2);margin-bottom:.4rem;letter-spacing:.02em}
.lt-field input{
  width:100%;padding:.85rem 1rem;font-size:1.05rem;
  background:rgba(0,0,0,.35);color:var(--txt);
  border:1px solid var(--line-2);border-radius:12px;
  font-family:inherit;outline:none;transition:border-color .15s, box-shadow .15s;
}
.lt-field input:focus{border-color:var(--brand-purple);box-shadow:0 0 0 4px rgba(124,92,252,.22)}

.lt-launch-actions{display:flex;flex-direction:column;gap:.9rem;margin-top:.4rem}

/* Room name row */
.lt-field .muted{color:var(--txt-3);font-weight:400;font-size:.72rem;margin-left:.25rem}
.lt-room-input{position:relative;display:block}
.lt-room-input input{width:100%}
.lt-text-btn{
  position:absolute;right:.55rem;top:50%;transform:translateY(-50%);
  background:rgba(124,92,252,.16);border:1px solid rgba(124,92,252,.35);
  color:#E0D7FF;border-radius:8px;font:600 .74rem/1 inherit;
  padding:.4rem .6rem;cursor:pointer;letter-spacing:.02em;
  transition:background .15s, color .15s;
}
.lt-text-btn:hover{background:rgba(124,92,252,.28);color:#fff}
.lt-hint{display:block;color:var(--txt-3);font-size:.74rem;margin-top:.4rem;line-height:1.5}
.lt-hint em{color:var(--brand-gold);font-style:normal;font-weight:600}

.lt-btn-big{padding:1rem 1.2rem !important;font-size:1.05rem}
.lt-launch-msg.ok{background:rgba(74,222,128,.1);color:#86E8AB;border:1px solid rgba(74,222,128,.3)}

.lt-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.9rem 1.1rem;border-radius:12px;font-weight:700;font-size:1rem;
  border:none;cursor:pointer;font-family:inherit;
  transition:transform .12s ease, box-shadow .15s ease, filter .15s ease;
}
.lt-btn:active{transform:translateY(1px) scale(.99)}
.lt-btn.primary{
  background:var(--grad);color:#0B0F18;
  box-shadow:0 10px 26px -10px rgba(124,92,252,.7);
}
.lt-btn.primary:hover{filter:brightness(1.08)}
.lt-btn.gold{background:linear-gradient(135deg,#F5B800,#FFD45F);color:#1a1100}
.lt-btn.gold:hover{filter:brightness(1.07)}
.lt-btn .ico{font-size:1.15rem}

.lt-or{
  text-align:center;color:var(--txt-3);font-size:.78rem;
  letter-spacing:.12em;text-transform:uppercase;margin:.15rem 0;
  position:relative;
}
.lt-or::before,.lt-or::after{
  content:"";position:absolute;top:50%;width:32%;height:1px;background:var(--line);
}
.lt-or::before{left:0}.lt-or::after{right:0}

.lt-join-row{display:flex;gap:.5rem}
.lt-join-row input{
  flex:1;padding:.8rem .9rem;background:rgba(0,0,0,.35);color:var(--txt);
  border:1px solid var(--line-2);border-radius:11px;font:inherit;font-size:.95rem;outline:none;
}
.lt-join-row input:focus{border-color:var(--brand-gold);box-shadow:0 0 0 4px rgba(245,184,0,.18)}
.lt-join-row .lt-btn{padding:.6rem 1.1rem;font-size:.95rem}

.lt-launch-msg{
  margin-top:.9rem;padding:.6rem .8rem;border-radius:10px;font-size:.88rem;
  background:rgba(245,184,0,.1);color:var(--brand-gold);border:1px solid rgba(245,184,0,.3);
}
.lt-launch-msg.warn{background:rgba(245,184,0,.1);color:var(--brand-gold);border-color:rgba(245,184,0,.3)}
.lt-launch-msg.err{background:rgba(255,77,109,.12);color:#FF99AB;border-color:rgba(255,77,109,.35)}

/* meta chips strip */
.lt-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:.45rem;margin-top:1.5rem}
.chip{
  font-size:.78rem;color:var(--txt-2);background:rgba(255,255,255,.04);
  border:1px solid var(--line);padding:.32rem .7rem;border-radius:999px;
}

/* ===== How it works ===== */
.lt-how{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2.8rem
}
@media (max-width:780px){ .lt-how{grid-template-columns:1fr} }
.lt-how-step{
  background:rgba(255,255,255,.025);border:1px solid var(--line);border-radius:var(--r);
  padding:1.2rem;text-align:left;
}
.lt-num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  background:var(--grad);color:#0B0F18;font-weight:800;margin-bottom:.7rem;font-size:.95rem
}
.lt-how-step h3{margin:0 0 .35rem;font-family:'Space Grotesk',Inter,sans-serif;font-size:1.05rem}
.lt-how-step p{color:var(--txt-2);font-size:.92rem;margin:0;line-height:1.55}

/* ===== Footer ===== */
.lt-footer{
  text-align:center;color:var(--txt-3);font-size:.82rem;
  padding:1.5rem 1rem;border-top:1px solid var(--line);
  background:rgba(7,11,20,.4)
}
.lt-footer a{color:var(--txt-2)}
.lt-footer a:hover{color:#fff}

/* =====================================================
   ROOM PAGE
   ===================================================== */
body.lt-room{
  display:flex;flex-direction:column;height:100vh;height:100dvh;overflow:hidden;
}
.lt-room-top{
  display:flex;align-items:center;justify-content:space-between;gap:.8rem;
  padding:.55rem .85rem;border-bottom:1px solid var(--line);
  background:rgba(7,11,20,.78);backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  flex-shrink:0;
}
.lt-logo.small{font-size:.95rem}
.lt-logo.small .lt-logo-mark{width:28px;height:28px;font-size:.9rem;border-radius:8px}
.lt-room-id{
  display:inline-flex;align-items:center;gap:.4rem;cursor:pointer;
  background:rgba(124,92,252,.12);border:1px solid rgba(124,92,252,.32);
  padding:.32rem .7rem;border-radius:999px;
  font-size:.84rem;color:var(--txt);user-select:all;
  transition:background .15s, border-color .15s;
}
.lt-room-id:hover{background:rgba(124,92,252,.22)}
.lt-room-id .lbl{color:var(--txt-2);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase}
.lt-room-id .code{font-family:'Space Grotesk',monospace;font-weight:700;letter-spacing:.06em}
.lt-room-id .copy-ico{font-size:.85rem;opacity:.7}

.lt-status{display:inline-flex;align-items:center;gap:.45rem;font-size:.8rem;color:var(--txt-2)}
.lt-status .dot{width:8px;height:8px;border-radius:50%;background:#888;display:inline-block}
.lt-status .dot.dot-ok{background:var(--ok);box-shadow:0 0 0 3px rgba(74,222,128,.18)}
.lt-status .dot.dot-warn{background:var(--warn);box-shadow:0 0 0 3px rgba(245,184,0,.18);animation:pulse 1.4s ease infinite}
.lt-status .dot.dot-err{background:var(--danger);box-shadow:0 0 0 3px rgba(255,77,109,.22)}
@keyframes pulse{ 0%,100%{opacity:1}50%{opacity:.4} }

/* ===== Pre-join gate ===== */
.lt-prejoin{
  flex:1;display:grid;place-items:center;padding:1.4rem 1rem;overflow:auto;
}
.lt-prejoin-card{
  width:100%;max-width:480px;
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
  border:1px solid var(--line-2);border-radius:var(--r-lg);padding:1.3rem;box-shadow:var(--shadow);
}
.lt-prejoin-card h2{margin:0 0 .25rem;font-family:'Space Grotesk',Inter,sans-serif;font-size:1.3rem;text-align:center;line-height:1.25}
.lt-prejoin-room{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-weight:700;letter-spacing:-.01em;
}
.lt-prejoin-sub{
  text-align:center;color:var(--txt-2);font-size:.84rem;margin:0 0 .9rem;line-height:1.5;
}
.lt-prejoin-copy{
  position:relative;transform:none;top:auto;right:auto;
  display:inline-block;margin-left:.35rem;
}
.lt-preview-wrap{
  position:relative;aspect-ratio:16/10;border-radius:14px;overflow:hidden;
  background:#000;border:1px solid var(--line-2);margin-bottom:1rem;
}
.lt-preview-wrap video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.lt-prejoin-overlay{
  position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:1rem;
  color:var(--txt-2);font-size:.92rem;background:linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.85));
}
.lt-prejoin-overlay.hide{display:none}
.lt-prejoin-actions{
  display:grid;grid-template-columns:auto auto 1fr;gap:.6rem;align-items:center;margin-top:.8rem;
}
.lt-prejoin-help{
  color:var(--txt-3);font-size:.78rem;margin:.7rem 0 0;text-align:center
}
.lt-join-now{padding:.85rem 1rem !important;font-size:.98rem}

/* ===== Icon buttons ===== */
.lt-icon-btn{
  display:inline-grid;place-items:center;
  width:46px;height:46px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-2);
  color:var(--txt);font-size:1.15rem;cursor:pointer;
  transition:background .15s, border-color .15s, transform .12s, color .15s;
  font-family:inherit;position:relative;
}
.lt-icon-btn:hover{background:rgba(255,255,255,.1);border-color:var(--line-2)}
.lt-icon-btn:active{transform:scale(.95)}
.lt-icon-btn.small{width:34px;height:34px;font-size:.95rem;border-radius:10px}
.lt-icon-btn.big{width:54px;height:54px;font-size:1.35rem;border-radius:14px}
.lt-icon-btn.off{
  background:rgba(255,77,109,.16);border-color:rgba(255,77,109,.45);color:#FFD3DC;
}
.lt-icon-btn.danger{
  background:linear-gradient(135deg,#E63950,#FF5577);color:#fff;border-color:transparent;
  transform:rotate(135deg);
}
.lt-icon-btn.danger:hover{filter:brightness(1.08);transform:rotate(135deg) scale(1.04)}
.lt-icon-btn.primary{background:var(--grad);color:#0B0F18;border-color:transparent}
.lt-icon-btn.active{
  background:rgba(124,92,252,.22);border-color:rgba(124,92,252,.55);color:#fff
}

.lt-badge{
  position:absolute;top:-4px;right:-4px;
  min-width:20px;height:20px;padding:0 5px;border-radius:10px;
  background:var(--brand-gold);color:#1a1100;font-size:.7rem;font-weight:800;
  display:inline-grid;place-items:center;
}

/* ===== Call grid ===== */
.lt-call{
  flex:1;display:flex;min-height:0;position:relative;
}
.lt-grid{
  flex:1;display:grid;gap:.55rem;padding:.6rem;
  grid-template-columns:1fr;align-content:stretch;
  min-height:0;
}
.lt-grid[data-count="1"]{grid-template-columns:1fr;grid-template-rows:1fr}
.lt-grid[data-count="2"]{grid-template-columns:1fr;grid-template-rows:1fr 1fr}
.lt-grid[data-count="3"],
.lt-grid[data-count="4"]{grid-template-columns:1fr 1fr;grid-auto-rows:1fr}
.lt-grid[data-count="5"],
.lt-grid[data-count="6"]{grid-template-columns:1fr 1fr;grid-auto-rows:1fr}

@media (min-width:780px){
  .lt-grid[data-count="2"]{grid-template-columns:1fr 1fr;grid-template-rows:1fr}
  .lt-grid[data-count="3"]{grid-template-columns:1fr 1fr 1fr;grid-template-rows:1fr}
  .lt-grid[data-count="4"]{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr}
  .lt-grid[data-count="5"],
  .lt-grid[data-count="6"]{grid-template-columns:1fr 1fr 1fr;grid-auto-rows:1fr}
}

.lt-tile{
  position:relative;border-radius:14px;overflow:hidden;
  background:#000;border:1px solid var(--line-2);min-height:0;
  display:flex;align-items:center;justify-content:center;
}
.lt-tile video{
  width:100%;height:100%;object-fit:cover;display:block;background:#000;
}
.lt-tile.me video{transform:scaleX(-1)}
.lt-tile.screen video{transform:none;object-fit:contain;background:#000}

.lt-tile .lt-name{
  position:absolute;left:.55rem;bottom:.55rem;
  background:rgba(0,0,0,.55);backdrop-filter:blur(6px);
  padding:.25rem .6rem;border-radius:999px;font-size:.78rem;font-weight:600;
  display:inline-flex;align-items:center;gap:.35rem;color:#fff;
}
.lt-tile .lt-name .mic-off{color:var(--danger);font-size:.8rem}
.lt-tile .lt-name .me-badge{
  color:var(--brand-gold);font-size:.68rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
}
.lt-tile .lt-avatar{
  position:absolute;inset:0;display:grid;place-items:center;
  background:radial-gradient(60% 60% at 50% 50%,#1A2030 0%,#0A0E18 100%);
  color:#fff;font-family:'Space Grotesk',Inter,sans-serif;font-weight:700;font-size:clamp(1.6rem,8vw,3.4rem);
}
.lt-tile.cam-off .lt-avatar{display:grid}
.lt-tile:not(.cam-off) .lt-avatar{display:none}

.lt-tile .lt-spinner{
  position:absolute;inset:0;display:grid;place-items:center;
  color:var(--txt-2);font-size:.82rem;
}
.lt-tile .lt-spinner::before{
  content:"";display:block;width:24px;height:24px;border-radius:50%;
  border:2px solid var(--line-2);border-top-color:var(--brand-purple);
  animation:spin 1s linear infinite;margin:0 auto .5rem;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== Chat drawer ===== */
.lt-chat{
  width:320px;max-width:90vw;flex-shrink:0;
  border-left:1px solid var(--line);
  background:rgba(13,17,23,.85);backdrop-filter:blur(14px);
  display:flex;flex-direction:column;min-height:0;
}
@media (max-width:780px){
  .lt-chat{
    position:absolute;inset:0;width:auto;max-width:none;z-index:25;
    border-left:none;
  }
}
.lt-chat-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:.7rem .9rem;border-bottom:1px solid var(--line);
}
.lt-chat-head strong{font-family:'Space Grotesk',Inter,sans-serif;font-size:1rem}
.lt-chat-log{
  flex:1;padding:.7rem .9rem;overflow:auto;display:flex;flex-direction:column;gap:.55rem;
  min-height:0;
}
.lt-chat-msg{
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;
  padding:.5rem .7rem;max-width:90%;
}
.lt-chat-msg.me{align-self:flex-end;background:rgba(124,92,252,.18);border-color:rgba(124,92,252,.4)}
.lt-chat-msg.sys{align-self:center;background:rgba(255,255,255,.025);border-style:dashed;color:var(--txt-2);font-size:.82rem}
.lt-chat-msg .who{font-size:.7rem;color:var(--txt-2);margin-bottom:.15rem;font-weight:600}
.lt-chat-msg .me-tag{color:var(--brand-gold)}
.lt-chat-msg .body{font-size:.92rem;line-height:1.45;word-break:break-word;white-space:pre-wrap}
.lt-chat-form{
  display:flex;gap:.45rem;padding:.6rem .7rem;border-top:1px solid var(--line);
}
.lt-chat-form input{
  flex:1;padding:.6rem .8rem;background:rgba(0,0,0,.35);
  border:1px solid var(--line-2);border-radius:10px;color:var(--txt);
  font:inherit;font-size:.9rem;outline:none;
}
.lt-chat-form input:focus{border-color:var(--brand-purple)}

/* ===== Controls bar ===== */
.lt-controls{
  display:flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.7rem .8rem;border-top:1px solid var(--line);
  background:rgba(7,11,20,.78);backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  flex-shrink:0;
  padding-bottom:max(.7rem, env(safe-area-inset-bottom));
}

/* ===== Toast ===== */
.lt-toast{
  position:fixed;left:50%;bottom:5.5rem;transform:translateX(-50%);
  background:rgba(13,17,23,.95);border:1px solid var(--line-2);
  padding:.6rem 1rem;border-radius:999px;font-size:.88rem;color:var(--txt);
  z-index:50;box-shadow:var(--shadow);
  animation:toast-in .25s ease;
}
@keyframes toast-in{from{opacity:0;transform:translate(-50%,8px)}}

/* ===== Tiny utilities ===== */
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.danger{color:var(--danger)}
.ok{color:var(--ok)}

@media (max-width:640px){
  /* Landing */
  .lt-header{padding:.55rem .75rem}
  .lt-logo{font-size:.95rem}
  .lt-logo small{display:none}
  .lt-landing-main{padding:1.2rem .75rem 2.4rem}
  .lt-hero{padding:.75rem 0 1.4rem}
  .lt-hero h1{font-size:1.85rem;line-height:1.1}
  .lt-hero .sub{font-size:.92rem;margin:.4rem auto 1.3rem}
  .lt-kicker{font-size:.68rem;padding:.32rem .65rem}
  .lt-card{padding:1.05rem;border-radius:16px}
  .lt-field input{padding:.78rem .85rem;font-size:1rem}
  .lt-text-btn{right:.4rem;padding:.32rem .5rem;font-size:.7rem}
  .lt-btn{font-size:.98rem;padding:.85rem 1rem}
  .lt-meta{gap:.35rem;margin-top:1.1rem}
  .chip{font-size:.72rem;padding:.28rem .58rem}

  /* Room */
  .lt-room-top{padding:.4rem .55rem;gap:.4rem;flex-wrap:wrap}
  .lt-status{font-size:.7rem;flex-shrink:0}
  .lt-room-id{padding:.28rem .55rem;font-size:.76rem;gap:.3rem;max-width:60%}
  .lt-room-id .lbl{display:none}
  .lt-room-id .code{font-size:.82rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

  /* Pre-join card on phone */
  .lt-prejoin{padding:.7rem .55rem;align-items:flex-start}
  .lt-prejoin-card{padding:1rem;border-radius:16px}
  .lt-prejoin-card h2{font-size:1.2rem;margin:0 0 .7rem}
  .lt-preview-wrap{aspect-ratio:4/3;margin-bottom:.7rem}
  .lt-prejoin-actions{gap:.45rem;margin-top:.5rem}
  .lt-prejoin-actions .lt-icon-btn{width:42px;height:42px;font-size:1.05rem}
  .lt-join-now{padding:.75rem .9rem !important;font-size:.95rem}

  /* Controls bar — fit 6 buttons on narrow phones */
  .lt-icon-btn.big{width:46px;height:46px;font-size:1.15rem;border-radius:12px}
  .lt-controls{gap:.35rem;padding:.5rem .4rem}
  .lt-controls{padding-bottom:max(.5rem, env(safe-area-inset-bottom))}

  /* Grid + tiles */
  .lt-grid{padding:.35rem;gap:.35rem}
  .lt-tile{border-radius:11px}
  .lt-tile .lt-name{left:.4rem;bottom:.4rem;padding:.2rem .5rem;font-size:.72rem}

  /* Chat: full-screen drawer */
  .lt-chat{max-width:none}
  .lt-chat-head{padding:.55rem .7rem}
  .lt-chat-log{padding:.55rem .7rem;gap:.45rem}
  .lt-chat-msg{padding:.45rem .6rem}
  .lt-chat-form{padding:.5rem .55rem}

  /* How-steps stack */
  .lt-how{margin-top:1.8rem}
  .lt-how-step{padding:.95rem}
}

/* Extra-narrow (≤360px — iPhone SE) */
@media (max-width:380px){
  .lt-icon-btn.big{width:42px;height:42px;font-size:1.05rem;border-radius:11px}
  .lt-controls{gap:.25rem;padding:.4rem .3rem}
  .lt-room-id{font-size:.7rem;padding:.25rem .45rem}
  .lt-room-top{gap:.3rem}
  .lt-status{font-size:.65rem}
}

/* Landscape phone — keep call UI usable when keyboard not open */
@media (max-height:520px) and (orientation:landscape){
  .lt-room-top{padding:.3rem .55rem}
  .lt-controls{padding:.35rem .5rem}
  .lt-icon-btn.big{width:42px;height:42px;font-size:1rem}
}