/* ============================================================
   Swarm v1 — style.css  (matches ChordMail visual language)
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0b0e14; --surface:#131720; --surface-2:#1a1f2c; --border:#1e2535;
  --accent:#4f8ef7; --accent-2:#2ec4b6; --text:#e8ecf4; --muted:#6b7899;
  --danger:#f87171; --warn:#fbbf24; --ok:#34d399;
  --radius:14px; --radius-sm:9px;
  --shadow:0 24px 64px rgba(0,0,0,.4);
}
html,body{height:100%}
body{
  font-family:'DM Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg); color:var(--text); min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
body.center{display:flex;align-items:center;justify-content:center;overflow:hidden}
body.center::before{content:'';position:fixed;top:-30%;left:-20%;width:70vw;height:70vw;background:radial-gradient(circle,rgba(79,142,247,.07) 0%,transparent 70%);pointer-events:none}
body.center::after{content:'';position:fixed;bottom:-20%;right:-10%;width:50vw;height:50vw;background:radial-gradient(circle,rgba(46,196,182,.06) 0%,transparent 70%);pointer-events:none}

a{color:var(--accent);text-decoration:none}
a:hover{opacity:.85}
.wrap{width:100%;max-width:440px;padding:24px;animation:fu .45s ease both;position:relative;z-index:1}
.wrap.wide{max-width:880px}
@keyframes fu{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}

.logo{display:flex;align-items:center;gap:11px;justify-content:center;margin-bottom:30px}
.logo svg{width:38px;height:38px}
.logo-name{font-family:'DM Serif Display',serif;font-size:30px;letter-spacing:-.5px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow)}
.card h2{font-family:'DM Serif Display',serif;font-size:22px;font-weight:400;margin-bottom:4px}
.card .sub{color:var(--muted);font-size:13.5px;margin-bottom:24px}

.field{margin-bottom:16px}
.field label{display:block;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin-bottom:7px}
.field input,.field textarea,.field select{width:100%;background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:11px 14px;color:var(--text);font-family:inherit;font-size:14.5px;outline:none;transition:border-color .18s}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent)}
.row{display:flex;gap:12px}
.row .field{flex:1}
.check{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13.5px;margin-bottom:10px;cursor:pointer}
.check input{accent-color:var(--accent)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px 16px;border-radius:var(--radius-sm);
  border:1px solid transparent;background:linear-gradient(135deg,var(--accent),#3a6fd8);color:#fff;font-family:inherit;font-size:14.5px;font-weight:600;
  cursor:pointer;transition:opacity .18s, transform .08s}
.btn:hover{opacity:.92}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:default}
.btn.ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);opacity:1}
.btn.danger{background:linear-gradient(135deg,#ef4444,#b91c1c)}
.btn.small{padding:8px 12px;font-size:13px;width:auto}

.err{background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.3);color:var(--danger);
  border-radius:8px;padding:10px 14px;font-size:13.5px;margin-bottom:14px;display:none}
.note{background:rgba(46,196,182,.08);border:1px solid rgba(46,196,182,.25);color:var(--accent-2);
  border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:14px}

.footer{display:flex;justify-content:space-between;margin-top:16px;font-size:12.5px;color:var(--muted)}

/* ── App dashboard ───────────────────────────────────────────── */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;border-bottom:1px solid var(--border);background:var(--surface)}
.topbar .me{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13.5px}
.avatar{width:30px;height:30px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:13px}
.dash{max-width:980px;margin:40px auto;padding:0 20px;display:grid;gap:24px;grid-template-columns:1fr 1fr}
.dash > .card{padding:28px}
@media(max-width:760px){.dash{grid-template-columns:1fr}}

/* ── Meeting room ────────────────────────────────────────────── */
.room{display:grid;grid-template-rows:auto 1fr auto;height:100vh;height:100dvh;background:#06080d}
.room-top{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:rgba(19,23,32,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);color:var(--muted);font-size:13px}
.room-top .left{display:flex;align-items:center;gap:14px}
.room-top .code{font-family:'JetBrains Mono',ui-monospace,Menlo,monospace;color:var(--text);background:var(--surface);padding:5px 10px;border-radius:6px;border:1px solid var(--border);cursor:pointer}
.room-top .code:hover{border-color:var(--accent)}
.room-top .timer{color:var(--text);font-variant-numeric:tabular-nums}

.stage{position:relative;display:grid;gap:8px;padding:14px;align-content:center;justify-items:center}
.stage.grid-1{grid-template-columns:1fr}
.stage.grid-2{grid-template-columns:1fr 1fr}
.stage.grid-3, .stage.grid-4{grid-template-columns:1fr 1fr}
.stage.grid-many{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}

.tile{position:relative;width:100%;max-width:100%;aspect-ratio:16/9;background:#0d1118;border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.tile video{width:100%;height:100%;object-fit:cover;background:#000;display:block;transform:scaleX(-1)}
.tile video.no-mirror,.tile.screen video{transform:none}
.tile .badge{position:absolute;left:10px;bottom:10px;background:rgba(0,0,0,.55);color:#fff;font-size:12px;padding:4px 9px;border-radius:6px;display:flex;align-items:center;gap:6px}
.tile .speaking{outline:2px solid var(--accent-2);outline-offset:-2px}
.tile.speaking{box-shadow:0 0 0 2px var(--accent-2) inset}
.tile .placeholder{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted)}
.tile .placeholder .avatar{width:64px;height:64px;font-size:22px}
.tile.screen{aspect-ratio:auto;height:100%;max-height:80vh}
.tile .muted-pill{position:absolute;right:10px;bottom:10px;background:rgba(248,113,113,.85);color:#fff;padding:4px 8px;border-radius:6px;font-size:11px}

.controls{display:flex;justify-content:center;gap:10px;padding:14px;background:rgba(19,23,32,.92);backdrop-filter:blur(8px);border-top:1px solid var(--border)}
.ctrl{width:46px;height:46px;border-radius:50%;border:1px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .15s,border-color .15s}
.ctrl:hover{border-color:var(--accent)}
.ctrl.off{background:#3a1418;border-color:#5b1a1f;color:var(--danger)}
.ctrl.active{background:rgba(46,196,182,.15);border-color:var(--accent-2);color:var(--accent-2)}
.ctrl.hangup{background:linear-gradient(135deg,#ef4444,#b91c1c);border-color:transparent;color:#fff;width:66px;border-radius:24px}
.ctrl svg{width:20px;height:20px}

/* Side panel (chat / participants / lobby) */
.panel{position:fixed;top:0;right:0;height:100%;width:340px;background:var(--surface);border-left:1px solid var(--border);transform:translateX(100%);transition:transform .22s ease;display:flex;flex-direction:column;z-index:50}
.panel.open{transform:translateX(0)}
.panel header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border)}
.panel header .tabs{display:flex;gap:14px}
.panel header .tab{color:var(--muted);font-size:13px;cursor:pointer;padding:4px 0;border-bottom:2px solid transparent}
.panel header .tab.active{color:var(--text);border-color:var(--accent)}
.panel .body{flex:1;overflow-y:auto;padding:14px 16px}
.panel .composer{padding:10px 12px;border-top:1px solid var(--border);display:flex;gap:8px}
.panel .composer input{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:9px 12px;color:var(--text);outline:none}
.panel .composer button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:0 14px;cursor:pointer}

.msg{margin-bottom:10px;font-size:13.5px;line-height:1.45}
.msg .who{color:var(--accent-2);font-weight:600;margin-right:6px;font-size:12.5px}
.msg .when{color:var(--muted);font-size:11px;margin-left:6px}

.plist{list-style:none;padding:0;margin:0}
.plist li{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--border);font-size:13.5px}
.plist li:last-child{border-bottom:none}
.plist li .tag{margin-left:auto;font-size:11px;color:var(--muted);background:var(--surface-2);padding:2px 7px;border-radius:5px}
.plist li .actions{margin-left:auto;display:flex;gap:6px}
.plist li .actions button{font-size:11.5px;padding:4px 8px;border-radius:6px;border:1px solid var(--border);background:transparent;color:var(--text);cursor:pointer}
.plist li .actions button.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.plist li .actions button.danger{color:var(--danger);border-color:rgba(248,113,113,.4)}

.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--surface);border:1px solid var(--border);padding:10px 16px;border-radius:10px;font-size:13.5px;color:var(--text);box-shadow:var(--shadow);z-index:100;opacity:0;transition:opacity .2s}
.toast.show{opacity:1}

.lobby-banner{position:absolute;top:54px;left:50%;transform:translateX(-50%);background:rgba(251,191,36,.1);color:var(--warn);border:1px solid rgba(251,191,36,.3);padding:10px 18px;border-radius:10px;font-size:13.5px;z-index:40}


/* ── Swarm v2 additions ─────────────────────────────────── */
:root {
  --surface3: #2a2e3a;
  --teal: #2ec4b6;
  --green: #36b37e;
  --danger: #e05252;
}
/* Make room position:relative for watermark */
.room { position: relative; }
/* Ensure tile can clip overlay */
.tile { position: relative; overflow: hidden; }
/* Background overlay on self tile */
.bg-overlay { position: absolute; inset: 0; z-index: 1; overflow: hidden; border-radius: inherit; pointer-events: none; }