:root{--bg:#f5f7f6;--bg-card:#fff;--bg-hover:#f0f4f2;--bg-input:#f8faf9;--bg-dark:#0d1520;--bg-tile:#1a2940;--text:#1a2332;--text-sec:#5a6b7a;--text-muted:#94a3b8;--accent:#00897B;--accent-h:#00796B;--accent-light:rgba(0,137,123,0.08);--accent-glow:rgba(0,137,123,0.2);--danger:#ef4444;--danger-h:#dc2626;--success:#10b981;--warning:#f59e0b;--border:#e2e8f0;--radius:12px;--shadow:0 2px 12px rgba(0,0,0,0.06);--shadow-lg:0 8px 32px rgba(0,0,0,0.1);--tr:0.2s ease}
*{margin:0;padding:0;box-sizing:border-box}html,body{height:100dvh;overflow:hidden}
body{font-family:'DM Sans',-apple-system,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
button{font-family:inherit;cursor:pointer;border:none;outline:none}input,textarea{font-family:inherit;outline:none}
#preload{position:fixed;inset:0;z-index:9999;background:linear-gradient(135deg,#f8faf9,#e8f0ec 50%,#f0f7f4);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px;transition:opacity .6s,visibility .6s}
#preload.hide{opacity:0;visibility:hidden;pointer-events:none}
#preload .logo-wrap{display:flex;align-items:center;gap:14px;animation:fadeUp .8s ease}
#preload img{width:48px;height:48px;border-radius:12px}
#preload .brand{font-size:28px;font-weight:700;letter-spacing:-.5px}
#preload .brand span{color:var(--accent);font-weight:400}
#preload .loader{width:120px;height:3px;background:var(--border);border-radius:4px;overflow:hidden}
#preload .loader-bar{height:100%;width:0;background:var(--accent);border-radius:4px;animation:load 2s ease forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@keyframes load{0%{width:0}60%{width:80%}100%{width:100%}}
.screen{display:none;height:100dvh}.screen.active{display:flex}
#home{align-items:center;justify-content:center;background:linear-gradient(135deg,#f5f7f6,#e8f0ec);position:relative;overflow:hidden}
#home::before{content:'';position:absolute;top:-180px;right:-180px;width:500px;height:500px;background:radial-gradient(circle,var(--accent-glow),transparent 70%);pointer-events:none}
.home-card{background:var(--bg-card);border-radius:20px;box-shadow:var(--shadow-lg);padding:48px;width:460px;max-width:92vw;position:relative;z-index:1;animation:fadeUp .5s ease}
.home-header{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.home-header img{width:32px;height:32px;border-radius:8px}
.home-header .title{font-size:20px;font-weight:700;letter-spacing:-.3px}
.home-header .title span{color:var(--accent)}
.home-sub{color:var(--text-sec);font-size:14px;margin-bottom:36px}
.home-action{margin-bottom:28px}
.home-action label{display:block;font-size:11px;font-weight:600;color:var(--text-sec);text-transform:uppercase;letter-spacing:.8px;margin-bottom:10px}
.btn-main{width:100%;padding:16px 24px;background:var(--accent);color:#fff;border-radius:var(--radius);font-size:15px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:10px;transition:var(--tr)}
.btn-main:hover{background:var(--accent-h);transform:translateY(-1px);box-shadow:0 4px 16px var(--accent-glow)}
.btn-main:disabled{opacity:.5;cursor:not-allowed;transform:none}
.divider{display:flex;align-items:center;gap:12px;margin:24px 0;color:var(--text-muted);font-size:13px}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--border)}
.join-row{display:flex;gap:10px}
.join-row input{flex:1;padding:14px 16px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:15px;color:var(--text);background:var(--bg-input);transition:var(--tr)}
.join-row input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);background:#fff}
.join-row input::placeholder{color:var(--text-muted)}
.btn-sec{padding:14px 22px;background:var(--bg-hover);color:var(--text);border:1.5px solid var(--border);border-radius:var(--radius);font-size:15px;font-weight:600;transition:var(--tr);white-space:nowrap}
.btn-sec:hover{border-color:var(--accent);color:var(--accent);background:#fff}
.home-footer{margin-top:20px;padding-top:16px;border-top:1px solid var(--border);display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:12px}
.capacity{display:flex;align-items:center;gap:8px;margin-top:12px;padding:9px 14px;border-radius:10px;font-size:12px;font-weight:500}
.capacity.green{background:rgba(16,185,129,.08);color:var(--success)}
.capacity.yellow{background:rgba(245,158,11,.08);color:var(--warning)}
.capacity.red{background:rgba(239,68,68,.08);color:var(--danger)}
.capacity .cap-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}
.capacity.green .cap-dot{background:var(--success)}.capacity.yellow .cap-dot{background:var(--warning)}.capacity.red .cap-dot{background:var(--danger)}
.rules-toggle{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;background:var(--accent-light);border-radius:10px;font-size:12px;color:var(--accent);cursor:pointer;transition:var(--tr);margin-top:10px;font-weight:500}
.rules-toggle:hover{background:rgba(0,137,123,.15)}
.rules-box{display:none;margin-top:10px;padding:14px;background:var(--bg-input);border:1.5px solid var(--border);border-radius:var(--radius);font-size:12px;line-height:1.7;color:var(--text-sec)}
.rules-box.open{display:block;animation:fadeUp .3s ease}
.rules-box h4{font-size:12px;font-weight:700;color:var(--text);margin-bottom:6px}
.rules-box .rl{padding:3px 0 3px 16px;position:relative}.rules-box .rl::before{content:'';position:absolute;left:0;top:10px;width:5px;height:5px;border-radius:50%;background:var(--accent)}
.rules-box .rl.w::before{background:var(--warning)}
.rules-box .sep{height:1px;background:var(--border);margin:8px 0}
#preentry{align-items:center;justify-content:center;background:linear-gradient(135deg,#f5f7f6,#e8f0ec)}
.pre-card{background:var(--bg-card);border-radius:20px;box-shadow:var(--shadow-lg);padding:40px;width:520px;max-width:92vw;animation:fadeUp .4s ease}
.pre-title{font-size:18px;font-weight:700;margin-bottom:4px;display:flex;align-items:center;gap:10px}
.pre-title .code{font-size:12px;font-weight:600;color:var(--accent);background:var(--accent-light);padding:3px 10px;border-radius:20px}
.pre-sub{color:var(--text-sec);font-size:14px;margin-bottom:24px}
.preview-vid{width:100%;aspect-ratio:16/9;background:var(--bg-dark);border-radius:var(--radius);overflow:hidden;position:relative;margin-bottom:20px}
.preview-vid video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.preview-vid .cam-off{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;color:#6b7b8d;font-size:13px}
.pv-ctrls{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.pv-btn{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.15);backdrop-filter:blur(8px);color:#fff;display:flex;align-items:center;justify-content:center;transition:var(--tr)}
.pv-btn:hover{background:rgba(255,255,255,.25)}.pv-btn.off{background:rgba(239,68,68,.7)}
.pre-fields{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}
.fg label{display:block;font-size:12px;font-weight:600;color:var(--text-sec);margin-bottom:5px}
.fg input{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:14px;color:var(--text);background:var(--bg-input);transition:var(--tr)}
.fg input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);background:#fff}
.pre-acts{display:flex;gap:10px}
.btn-back{padding:14px 20px;background:var(--bg-hover);color:var(--text);border:1.5px solid var(--border);border-radius:var(--radius);font-size:15px;font-weight:600;transition:var(--tr)}
.btn-back:hover{border-color:var(--accent);color:var(--accent)}
.btn-enter{flex:1;padding:14px 24px;background:var(--accent);color:#fff;border-radius:var(--radius);font-size:15px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:8px;transition:var(--tr)}
.btn-enter:hover{background:var(--accent-h);transform:translateY(-1px)}
#meeting{flex-direction:column;background:var(--bg-dark)}
.m-top{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;min-height:42px;background:rgba(13,21,32,.97);border-bottom:1px solid rgba(255,255,255,.06);z-index:10}
.m-top-left{display:flex;align-items:center;gap:6px}
.m-logo{display:flex;align-items:center;gap:5px;color:#fff;font-weight:600;font-size:12px}
.m-logo img{width:18px;height:18px;border-radius:5px}
.m-logo .sep{color:rgba(255,255,255,.15);margin:0 1px}
.room-tag{font-size:10px;color:rgba(255,255,255,.5);background:rgba(255,255,255,.06);padding:3px 8px;border-radius:10px;cursor:pointer;transition:var(--tr);display:flex;align-items:center;gap:4px}
.room-tag:hover{background:rgba(255,255,255,.1);color:rgba(255,255,255,.8)}
.m-timer{font-size:11px;color:rgba(255,255,255,.4);font-variant-numeric:tabular-nums}
.m-top-right{display:flex;align-items:center;gap:4px}
.top-btn{width:30px;height:30px;border-radius:7px;background:rgba(255,255,255,.06);color:rgba(255,255,255,.6);display:flex;align-items:center;justify-content:center;transition:var(--tr);position:relative}
.top-btn:hover{background:rgba(255,255,255,.12);color:#fff}.top-btn.act{background:var(--accent);color:#fff}
.badge-dot{position:absolute;top:3px;right:3px;width:6px;height:6px;background:var(--danger);border-radius:50%;display:none}.badge-dot.show{display:block}
.pcount{font-size:10px;color:rgba(255,255,255,.4);background:rgba(255,255,255,.06);padding:2px 7px;border-radius:8px}
.mode-badge{font-size:9px;padding:2px 6px;border-radius:8px;font-weight:600;display:none}.mode-badge.show{display:inline}
.cap-ind{font-size:9px;padding:2px 6px;border-radius:8px;font-weight:600;display:flex;align-items:center;gap:3px}
.cap-ind .cd{width:5px;height:5px;border-radius:50%}
.rules-btn{font-size:9px;color:rgba(255,255,255,.4);background:rgba(255,255,255,.06);padding:2px 6px;border-radius:8px;cursor:pointer;transition:var(--tr)}
.rules-btn:hover{background:rgba(255,255,255,.1);color:rgba(255,255,255,.7)}
.m-body{flex:1;display:flex;overflow:hidden;position:relative}
.vid-area{flex:1;padding:6px;display:flex;align-items:center;justify-content:center}
.vid-grid{display:grid;gap:4px;width:100%;height:100%;max-width:1200px}
.vid-grid[data-n="1"]{grid-template-columns:1fr;max-width:800px}
.vid-grid[data-n="2"]{grid-template-columns:1fr 1fr}
.vid-grid[data-n="3"],.vid-grid[data-n="4"]{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr}
.vid-grid[data-n="5"],.vid-grid[data-n="6"]{grid-template-columns:1fr 1fr 1fr;grid-template-rows:1fr 1fr}
.vid-grid[data-n="7"],.vid-grid[data-n="8"],.vid-grid[data-n="9"]{grid-template-columns:1fr 1fr 1fr;grid-template-rows:1fr 1fr 1fr}
.vid-grid[data-n="10"]{grid-template-columns:repeat(4,1fr);grid-template-rows:1fr 1fr 1fr}
.tile{background:var(--bg-tile);border-radius:8px;overflow:hidden;position:relative;display:flex;align-items:center;justify-content:center;min-height:0}
.tile video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.tile .avatar{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#26a69a);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:600;color:#fff;text-transform:uppercase}
.tile .label{position:absolute;bottom:4px;left:4px;background:rgba(0,0,0,.55);backdrop-filter:blur(6px);color:#fff;font-size:10px;padding:2px 7px;border-radius:5px;display:flex;align-items:center;gap:4px}
.tile .label .mic-off{color:var(--danger)}
.side-panel{width:280px;background:rgba(13,21,32,.98);border-left:1px solid rgba(255,255,255,.06);display:none;flex-direction:column}.side-panel.open{display:flex;animation:slideP .2s ease}
@keyframes slideP{from{transform:translateX(16px);opacity:0}to{transform:translateX(0);opacity:1}}
.sp-head{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid rgba(255,255,255,.06)}
.sp-head h3{color:#fff;font-size:13px;font-weight:600}
.sp-close{width:26px;height:26px;border-radius:7px;background:rgba(255,255,255,.06);color:rgba(255,255,255,.5);display:flex;align-items:center;justify-content:center;transition:var(--tr)}
.sp-close:hover{background:rgba(255,255,255,.12);color:#fff}
.sp-body{flex:1;overflow-y:auto;padding:12px 14px}
.inv-section{margin-bottom:14px}
.inv-section label{display:block;font-size:10px;font-weight:600;color:rgba(255,255,255,.4);text-transform:uppercase;letter-spacing:.8px;margin-bottom:5px}
.link-row{display:flex;gap:6px}
.link-row input{flex:1;padding:8px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:7px;color:#fff;font-size:11px;font-family:monospace}
.btn-copy{padding:8px 12px;background:var(--accent);color:#fff;border-radius:7px;font-size:11px;font-weight:600;transition:var(--tr)}.btn-copy:hover{background:var(--accent-h)}.btn-copy.ok{background:var(--success)}
.btn-wa{width:100%;padding:9px;margin-top:6px;background:#25D366;color:#fff;border-radius:7px;font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:6px;transition:var(--tr)}.btn-wa:hover{background:#20bd5a}
.wa-manual{margin-top:8px}
.wa-manual input{width:100%;padding:8px;margin-bottom:5px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:7px;color:#fff;font-size:12px}
.wa-manual input::placeholder{color:rgba(255,255,255,.3)}
.btn-wa-send{width:100%;padding:8px;background:rgba(37,211,102,.15);color:#25D366;border-radius:7px;font-size:11px;font-weight:600;transition:var(--tr)}.btn-wa-send:hover{background:rgba(37,211,102,.25)}
.chat-msgs{flex:1;overflow-y:auto;padding:10px 12px;display:flex;flex-direction:column;gap:8px}
.chat-msg .meta{display:flex;align-items:center;gap:6px}
.chat-msg .author{font-size:11px;font-weight:600;color:var(--accent)}
.chat-msg .time{font-size:9px;color:rgba(255,255,255,.25)}
.chat-msg .text{font-size:12px;color:rgba(255,255,255,.8);line-height:1.5;word-break:break-word}
.chat-msg.sys .text{color:rgba(255,255,255,.35);font-style:italic;font-size:11px}
.chat-input{padding:8px;border-top:1px solid rgba(255,255,255,.06);display:flex;gap:5px}
.chat-input textarea{flex:1;background:rgba(255,255,255,.06);border:none;border-radius:7px;color:#fff;font-size:12px;padding:8px;resize:none;min-height:34px;max-height:60px}
.chat-input textarea::placeholder{color:rgba(255,255,255,.25)}
.chat-send{width:32px;height:34px;border-radius:7px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.p-item{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:7px;cursor:pointer;transition:var(--tr)}.p-item:hover{background:rgba(255,255,255,.04)}
.p-avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#26a69a);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:#fff;flex-shrink:0}
.p-info{flex:1;min-width:0}.p-name{font-size:12px;color:rgba(255,255,255,.85);font-weight:500}
.p-detail{font-size:10px;color:rgba(255,255,255,.35);display:none;margin-top:1px}.p-item.expanded .p-detail{display:block}
.p-host{font-size:9px;color:var(--accent);background:var(--accent-light);padding:2px 5px;border-radius:6px}
.m-ctrls{display:flex;align-items:center;justify-content:center;padding:8px 12px;gap:5px;background:rgba(13,21,32,.97);border-top:1px solid rgba(255,255,255,.06);z-index:10}
.ctrl{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.08);color:#fff;display:flex;align-items:center;justify-content:center;transition:var(--tr);position:relative}
.ctrl:hover{background:rgba(255,255,255,.14)}
.ctrl.off{background:rgba(239,68,68,.2);color:var(--danger)}.ctrl.off:hover{background:rgba(239,68,68,.3)}
.ctrl.end{background:var(--danger);width:50px;border-radius:22px;margin:0 6px}.ctrl.end:hover{background:var(--danger-h)}
.ctrl .tip{position:absolute;bottom:calc(100% + 6px);left:50%;transform:translateX(-50%);background:rgba(0,0,0,.85);color:#fff;font-size:9px;padding:3px 7px;border-radius:5px;white-space:nowrap;opacity:0;pointer-events:none;transition:.15s}.ctrl:hover .tip{opacity:1}
.toast{position:fixed;bottom:65px;left:50%;transform:translateX(-50%);background:var(--bg-card);color:var(--text);padding:9px 18px;border-radius:var(--radius);box-shadow:var(--shadow-lg);font-size:12px;font-weight:500;display:flex;align-items:center;gap:6px;opacity:0;transition:.3s;pointer-events:none;z-index:999}.toast.show{opacity:1;pointer-events:auto}.toast.error{background:#fef2f2;color:var(--danger)}
.rules-modal{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:100}.rules-modal.open{display:flex}
.rm-box{background:var(--bg-card);border-radius:18px;padding:24px;width:380px;max-width:90vw;box-shadow:0 16px 48px rgba(0,0,0,.2);animation:fadeUp .3s ease;max-height:85dvh;overflow-y:auto}
.rm-box h3{font-size:15px;font-weight:700;margin-bottom:12px}
.rm-box .st{font-size:10px;font-weight:700;color:var(--text);text-transform:uppercase;letter-spacing:.5px;margin:10px 0 5px}
.rm-box .ri{display:flex;align-items:flex-start;gap:6px;margin-bottom:5px;font-size:12px;color:var(--text-sec);line-height:1.5}
.rm-box .ri .ic{font-size:13px;flex-shrink:0}
.rm-box .cta{display:block;margin-top:10px;padding:9px;background:var(--accent-light);border-radius:7px;text-align:center;color:var(--accent);font-size:11px;font-weight:600;text-decoration:none}.rm-box .cta:hover{background:rgba(0,137,123,.15)}
.rm-box .cls{margin-top:12px;width:100%;padding:9px;background:var(--bg-hover);border:1.5px solid var(--border);border-radius:var(--radius);font-size:12px;font-weight:600;color:var(--text)}.rm-box .cls:hover{border-color:var(--accent);color:var(--accent)}
@media(max-width:640px){.home-card,.pre-card{padding:24px;margin:10px}.side-panel{position:absolute;right:0;top:0;bottom:0;width:100%;max-width:260px;z-index:20}.m-ctrls{padding:6px 8px;gap:4px}.ctrl{width:36px;height:36px}.ctrl.end{width:44px}.ctrl .tip{display:none}.m-top{padding:4px 8px;min-height:36px}}
@media(max-width:380px){.m-logo span:not(.sep){display:none}.room-tag span{max-width:55px;overflow:hidden;text-overflow:ellipsis}}

/* ACTIVE ROOMS */
.my-rooms{margin-top:14px}
.my-rooms-title{font-size:11px;font-weight:600;color:var(--text-sec);text-transform:uppercase;letter-spacing:.8px;margin-bottom:8px}
.room-card{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--bg-input);border:1.5px solid var(--border);border-radius:10px;margin-bottom:8px;animation:fadeUp .3s ease}
.room-card .rc-left{flex:1}
.room-card .rc-code{font-size:14px;font-weight:700;color:var(--text);font-family:monospace;letter-spacing:1px}
.room-card .rc-meta{font-size:11px;color:var(--text-muted);margin-top:2px;display:flex;align-items:center;gap:8px}
.room-card .rc-meta .rc-time{color:var(--warning);font-weight:500}
.room-card .rc-actions{display:flex;gap:6px}
.rc-btn{padding:6px 12px;border-radius:7px;font-size:11px;font-weight:600;transition:var(--tr)}
.rc-btn.enter{background:var(--accent);color:#fff}.rc-btn.enter:hover{background:var(--accent-h)}
.rc-btn.close{background:rgba(239,68,68,.1);color:var(--danger)}.rc-btn.close:hover{background:rgba(239,68,68,.2)}
.rc-btn.copy{background:var(--bg-hover);color:var(--text-sec)}.rc-btn.copy:hover{color:var(--accent)}
.rooms-empty{font-size:12px;color:var(--text-muted);font-style:italic;padding:8px 0}

/* Mobile: tiles empilhados verticalmente */
@media(max-width:768px){
  .vid-grid[data-n="2"]{grid-template-columns:1fr!important;grid-template-rows:1fr 1fr!important}
  .vid-grid[data-n="3"],.vid-grid[data-n="4"]{grid-template-columns:1fr 1fr!important;grid-template-rows:1fr 1fr!important}
  .vid-grid[data-n="5"],.vid-grid[data-n="6"],.vid-grid[data-n="7"],.vid-grid[data-n="8"],.vid-grid[data-n="9"],.vid-grid[data-n="10"]{
    grid-template-columns:1fr 1fr!important;
    grid-template-rows:repeat(auto-fill,minmax(120px,1fr))!important;
    overflow-y:auto!important;
    -webkit-overflow-scrolling:touch;
  }
  .tile{min-height:140px}
  .tile video{object-fit:cover}
}
/* Landscape mobile: 2 lado a lado */
@media(max-width:768px) and (orientation:landscape){
  .vid-grid[data-n="2"]{grid-template-columns:1fr 1fr!important;grid-template-rows:1fr!important}
}