/* ============================================================
   فیت‌کال — استایل کامل (RTL / تم تیره اسپرت)
   ============================================================ */
:root{
    --bg:#0a0f0d;
    --bg2:#0e1512;
    --panel:rgba(255,255,255,.035);
    --panel2:rgba(255,255,255,.06);
    --border:rgba(255,255,255,.09);
    --text:#eef5ee;
    --muted:#95a89a;
    --accent:#a3e635;
    --accent2:#34d399;
    --accent-ink:#0c1206;
    --danger:#f45b5b;
    --warn:#fbbf24;
    --radius:18px;
    --radius-sm:12px;
    --sbw:340px;
    --shadow:0 20px 60px rgba(0,0,0,.45);
    --font:'Vazirmatn','IRANSans','Segoe UI',Tahoma,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{height:100%}
body{
    font-family:var(--font);
    background:var(--bg);
    color:var(--text);
    min-height:100vh;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
a{color:var(--accent);text-decoration:none}
code{font-family:ui-monospace,'Cascadia Mono',monospace}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
::selection{background:rgba(163,230,53,.28)}

/* بسیار مهم: صفت hidden باید همیشه بر هر قاعده display غلبه کند */
[hidden]{display:none !important}

/* ---------- اجزای پایه ---------- */
.glass{
    background:var(--panel);
    border:1px solid var(--border);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-radius:var(--radius);
}
.muted{color:var(--muted)}
.tiny{font-size:.78rem}
.center{text-align:center}
.mb{margin-bottom:1rem}

.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
    font-family:var(--font);font-weight:600;font-size:.92rem;
    padding:.68rem 1.35rem;border-radius:var(--radius-sm);
    border:1px solid transparent;cursor:pointer;transition:all .18s ease;
    color:var(--text);background:var(--panel2);white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:linear-gradient(135deg,var(--accent) 0%,var(--accent2) 100%);color:var(--accent-ink);box-shadow:0 8px 24px rgba(163,230,53,.22)}
.btn-primary:hover{filter:brightness(1.06)}
.btn-accent{background:rgba(163,230,53,.14);color:var(--accent);border-color:rgba(163,230,53,.35)}
.btn-accent:hover{background:rgba(163,230,53,.22)}
.btn-danger{background:rgba(244,91,91,.13);color:var(--danger);border-color:rgba(244,91,91,.32)}
.btn-danger:hover{background:rgba(244,91,91,.22)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--muted)}
.btn-ghost:hover{color:var(--text);background:var(--panel2)}
.btn-block{width:100%}
.btn-sm{padding:.4rem .85rem;font-size:.82rem;border-radius:10px}
.btn-lg{padding:.9rem 1.6rem;font-size:1.02rem}

.alert{
    padding:.75rem 1rem;border-radius:var(--radius-sm);font-size:.88rem;
    margin-bottom:.8rem;border:1px solid transparent;line-height:1.7;
}
.alert-error{background:rgba(244,91,91,.1);border-color:rgba(244,91,91,.3);color:#fca5a5}
.alert-success{background:rgba(163,230,53,.1);border-color:rgba(163,230,53,.3);color:#bef264}
.alert-warn{background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.3);color:#fcd34d}
.alert-info{background:rgba(56,189,248,.1);border-color:rgba(56,189,248,.3);color:#7dd3fc}

.form label{display:block;margin-bottom:.85rem;font-size:.88rem;font-weight:600;color:var(--muted)}
.form input,.form-inline input{
    display:block;width:100%;margin-top:.4rem;
    background:rgba(0,0,0,.32);border:1px solid var(--border);
    border-radius:var(--radius-sm);padding:.75rem 1rem;
    color:var(--text);font-family:var(--font);font-size:.95rem;
    transition:border .15s ease;
}
.form input:focus,.form-inline input:focus{outline:none;border-color:rgba(163,230,53,.55);box-shadow:0 0 0 3px rgba(163,230,53,.12)}
.form-inline{display:flex;gap:.6rem;align-items:center}
.form-inline input{margin-top:0;flex:1}
.inline-form{display:inline}

.brand{display:flex;align-items:center;gap:.7rem}
.brand-mark{
    width:44px;height:44px;display:grid;place-items:center;border-radius:13px;
    background:linear-gradient(135deg,var(--accent),var(--accent2));color:var(--accent-ink);
    flex:none;box-shadow:0 6px 18px rgba(163,230,53,.25);
}
.brand-name{font-weight:800;font-size:1.2rem;letter-spacing:-.3px}
.brand-lg .brand-mark{width:52px;height:52px;border-radius:15px}
.foot-note{text-align:center;color:var(--muted);font-size:.8rem;margin-top:1rem}

/* ---------- صفحه احراز هویت / لندینگ ---------- */
.auth-body{
    background:
      radial-gradient(1000px 500px at 85% -10%,rgba(163,230,53,.07),transparent 60%),
      radial-gradient(800px 500px at 5% 110%,rgba(52,211,153,.08),transparent 60%),
      var(--bg);
}
.bg-orbs span{position:fixed;border-radius:50%;filter:blur(90px);opacity:.16;pointer-events:none;z-index:0}
.bg-orbs span:nth-child(1){width:420px;height:420px;background:var(--accent);top:-120px;inset-inline-start:-100px;animation:drift 14s ease-in-out infinite alternate}
.bg-orbs span:nth-child(2){width:380px;height:380px;background:var(--accent2);bottom:-120px;inset-inline-end:-80px;animation:drift 18s ease-in-out infinite alternate-reverse}
.bg-orbs span:nth-child(3){width:260px;height:260px;background:#38bdf8;top:40%;inset-inline-start:45%;animation:drift 20s ease-in-out infinite alternate}
@keyframes drift{from{transform:translate(0,0) scale(1)}to{transform:translate(40px,30px) scale(1.12)}}

.landing{
    position:relative;z-index:1;
    max-width:1180px;margin:0 auto;min-height:100vh;
    display:grid;grid-template-columns:1.15fr .95fr;gap:3rem;
    align-items:center;padding:3rem 1.5rem;
}
.hero-title{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:900;line-height:1.35;margin:1.2rem 0 1rem}
.hero-title em{
    font-style:normal;
    background:linear-gradient(120deg,var(--accent),var(--accent2));
    -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:var(--muted);font-size:1.05rem;line-height:2;max-width:34rem}
.feature-list{list-style:none;margin-top:2rem;display:grid;gap:.9rem}
.feature-list li{display:flex;align-items:center;gap:.8rem;font-weight:600;font-size:.95rem}
.feat-ic{
    width:38px;height:38px;flex:none;display:grid;place-items:center;border-radius:11px;
    background:rgba(163,230,53,.12);color:var(--accent);border:1px solid rgba(163,230,53,.25);
}

.auth-side .auth-card{box-shadow:var(--shadow)}
.auth-card{padding:2rem;max-width:430px;margin:0 auto}
.auth-card .brand{margin-bottom:1.4rem}
.auth-card h1{font-size:1.35rem;font-weight:800}
.auth-wrap{display:grid;place-items:center;min-height:100vh;padding:2rem 1rem;position:relative;z-index:1}

.tabs{display:flex;background:rgba(0,0,0,.3);border-radius:12px;padding:4px;margin-bottom:1.3rem}
.tab{
    flex:1;padding:.6rem;border:none;background:transparent;color:var(--muted);
    font-family:var(--font);font-weight:700;font-size:.92rem;border-radius:9px;cursor:pointer;transition:all .15s ease;
}
.tab.active{background:linear-gradient(135deg,var(--accent),var(--accent2));color:var(--accent-ink)}
.tab-pane{display:none}
.tab-pane.active{display:block;animation:fadeUp .3s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- داشبورد ---------- */
.dash-body{min-height:100vh}
.topbar{
    position:sticky;top:0;z-index:50;border-radius:0;border-inline:none;border-top:none;
    display:flex;justify-content:space-between;align-items:center;
    padding:.8rem 1.5rem;background:rgba(10,15,13,.82);
}
.topbar-user{display:flex;align-items:center;gap:.8rem}
.user-name{font-weight:700}
.role-chip{font-size:.72rem;font-weight:800;padding:.22rem .65rem;border-radius:99px;vertical-align:middle}
.chip-coach{background:linear-gradient(135deg,var(--accent),var(--accent2));color:var(--accent-ink)}
.chip-student{background:rgba(56,189,248,.15);color:#7dd3fc;border:1px solid rgba(56,189,248,.3)}

.dash-main{max-width:1080px;margin:0 auto;padding:1.8rem 1.2rem 4rem}
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.4rem}
.stat-card{padding:1.2rem;text-align:center}
.stat-num{display:block;font-size:2rem;font-weight:900;color:var(--accent)}
.stat-label{color:var(--muted);font-size:.85rem}

.dash-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.4rem}
.panel{padding:1.4rem;margin-bottom:1.4rem}
.panel-title{display:flex;align-items:center;gap:.55rem;font-size:1.05rem;font-weight:800;margin-bottom:1.1rem;color:var(--text)}
.panel-title svg{color:var(--accent)}

.req-list{list-style:none;display:grid;gap:.6rem}
.req-list li{
    display:flex;justify-content:space-between;align-items:center;gap:1rem;
    padding:.7rem .9rem;background:rgba(0,0,0,.25);border:1px solid var(--border);border-radius:var(--radius-sm);
}
.req-list .tiny{display:block}
.mini-actions{display:flex;gap:.4rem;flex:none}

.table-wrap{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.tbl th{text-align:right;color:var(--muted);font-weight:700;font-size:.8rem;padding:.6rem .7rem;border-bottom:1px solid var(--border)}
.tbl td{padding:.75rem .7rem;border-bottom:1px solid rgba(255,255,255,.05);vertical-align:middle}
.tbl tr:hover td{background:rgba(255,255,255,.02)}
.tbl .actions{display:flex;gap:.4rem;align-items:center;flex-wrap:wrap}

.code-chip{
    font-family:ui-monospace,monospace;font-size:.82rem;font-weight:700;letter-spacing:1px;
    background:rgba(163,230,53,.1);color:var(--accent);border:1px solid rgba(163,230,53,.3);
    padding:.2rem .6rem;border-radius:8px;
}
.code-chip.clickable{cursor:pointer;transition:background .15s}
.code-chip.clickable:hover{background:rgba(163,230,53,.2)}

.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-inline-start:.3rem;vertical-align:middle}
.st-live{background:var(--accent);box-shadow:0 0 8px var(--accent);animation:pulse 1.6s infinite}
.st-waiting{background:var(--warn)}
.st-ended{background:#555}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

.chips-wrap{display:flex;flex-wrap:wrap;gap:.5rem}
.user-chip{background:rgba(0,0,0,.3);border:1px solid var(--border);padding:.4rem .9rem;border-radius:99px;font-size:.85rem;font-weight:600}

.room-list{list-style:none;display:grid;gap:.6rem}
.room-list li{
    display:flex;justify-content:space-between;align-items:center;gap:1rem;
    padding:.85rem 1rem;background:rgba(0,0,0,.25);border:1px solid var(--border);border-radius:var(--radius-sm);
}
.room-list .tiny{display:block;margin-top:.2rem}
.row-actions{display:flex;align-items:center;gap:.6rem;flex:none}
.lock-chip{
    display:inline-flex;align-items:center;gap:.3rem;
    background:rgba(251,191,36,.12);color:var(--warn);border:1px solid rgba(251,191,36,.3);
    font-size:.75rem;font-weight:700;padding:.25rem .6rem;border-radius:99px;
}
.hero-join .form-inline{max-width:520px}

/* ---------- صفحات خطا ---------- */
.center-msg{display:grid;place-items:center;min-height:100vh;padding:1.5rem}
.empty-card{padding:2.5rem;text-align:center;max-width:420px}
.empty-card h1{font-size:1.4rem;margin-bottom:.6rem}
.empty-card .btn{margin-top:1.2rem}

/* ---------- لابی ---------- */
.lobby{
    position:fixed;inset:0;z-index:100;display:grid;place-items:center;
    background:
      radial-gradient(900px 480px at 80% -10%,rgba(163,230,53,.06),transparent 60%),
      var(--bg);
    padding:1.2rem;overflow-y:auto;
}
.lobby-card{width:min(520px,100%);padding:2rem;text-align:center;box-shadow:var(--shadow)}
.lobby-card .brand{justify-content:center;margin-bottom:1rem}
.lobby-title{font-size:1.5rem;font-weight:900;margin-bottom:.4rem}
.lobby-preview{
    position:relative;margin:1.3rem 0 1rem;border-radius:var(--radius-sm);overflow:hidden;
    background:#000;aspect-ratio:16/9;border:1px solid var(--border);
}
.lobby-preview video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.lobby-cam-off{
    position:absolute;inset:0;display:flex;flex-direction:column;gap:.6rem;
    align-items:center;justify-content:center;color:var(--muted);background:#0d1210;
}
.lobby-actions{display:flex;justify-content:center;gap:.7rem;margin-bottom:1.1rem}
.lobby-err{margin-top:.2rem}
#join-btn{margin-top:.4rem}

/* ---------- بدنه جلسه ---------- */
.call-body{height:100vh;overflow:hidden;display:flex;flex-direction:column}
.call-app{display:flex;flex-direction:column;height:100vh}

.call-header{
    display:flex;justify-content:space-between;align-items:center;gap:1rem;
    margin:.7rem .9rem 0;padding:.55rem 1rem;flex-wrap:wrap;
}
.ch-right{display:flex;align-items:center;gap:.7rem;min-width:0}
.ch-title{font-size:1rem;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:38vw}
.ch-left{display:flex;align-items:center;gap:.6rem}
.chip-timer,.chip-count{
    display:inline-flex;align-items:center;gap:.35rem;
    background:rgba(0,0,0,.3);border:1px solid var(--border);
    padding:.32rem .75rem;border-radius:99px;font-size:.82rem;font-weight:700;
}
.rec-pill{
    display:inline-flex;align-items:center;gap:.4rem;
    background:rgba(244,91,91,.14);color:#ff8a8a;border:1px solid rgba(244,91,91,.4);
    padding:.32rem .8rem;border-radius:99px;font-size:.8rem;font-weight:800;
}
.rec-pill i{width:9px;height:9px;border-radius:50%;background:var(--danger);animation:pulse 1s infinite}

.call-main{flex:1;display:flex;overflow:hidden;position:relative;padding:.9rem;gap:.9rem;min-height:0}
.stage{flex:1;position:relative;min-width:0;display:flex}
.video-grid{
    flex:1;display:grid;gap:.7rem;align-content:center;justify-content:center;
    grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));
}
.video-grid[data-count="1"]{grid-template-columns:minmax(300px,880px)}
.video-grid[data-count="2"]{grid-template-columns:repeat(auto-fit,minmax(300px,520px))}
.video-grid[data-count="3"],.video-grid[data-count="4"]{grid-template-columns:repeat(2,1fr)}
.video-grid[data-count="5"],.video-grid[data-count="6"],
.video-grid[data-count="7"],.video-grid[data-count="8"],.video-grid[data-count="9"]{grid-template-columns:repeat(3,1fr)}

.tile{
    position:relative;border-radius:var(--radius-sm);overflow:hidden;background:#0c1210;
    aspect-ratio:16/9;border:2px solid transparent;transition:border-color .2s ease,box-shadow .2s ease;
    animation:tileIn .3s ease;min-height:120px;
}
@keyframes tileIn{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}
.tile.leaving{opacity:0;transform:scale(.92);transition:all .25s ease}
.tile.speaking{border-color:var(--accent);box-shadow:0 0 0 2px rgba(163,230,53,.45),0 0 26px rgba(163,230,53,.18)}
.tile.sharing::after{
    content:'در حال اشتراک صفحه';position:absolute;top:.6rem;inset-inline-start:.6rem;
    background:rgba(163,230,53,.92);color:var(--accent-ink);font-size:.7rem;font-weight:800;
    padding:.2rem .55rem;border-radius:99px;z-index:3;
}
.tile video{width:100%;height:100%;object-fit:cover;display:block;background:#000;transition:opacity .25s ease}
.tile video.mirror{transform:scaleX(-1)}
.tile-avatar{
    position:absolute;inset:0;display:grid;place-items:center;
    font-size:2.6rem;font-weight:900;color:var(--accent-ink);
    background:linear-gradient(135deg,#1b261c,#0e1512);
    color:var(--accent);letter-spacing:1px;
}
.tile.cam-off video{opacity:0}
.tile-bar{
    position:absolute;bottom:0;inset-inline:0;z-index:2;
    display:flex;align-items:center;gap:.45rem;
    padding:.5rem .7rem;font-size:.82rem;
    background:linear-gradient(to top,rgba(0,0,0,.72),transparent);
}
.tile-name{font-weight:700;text-shadow:0 1px 4px rgba(0,0,0,.6)}
.tile-icons{margin-inline-start:auto;display:flex;gap:.3rem}
.t-ic{
    display:inline-grid;place-items:center;width:26px;height:26px;border-radius:8px;
    background:rgba(0,0,0,.55);color:#ffd166;
}
.t-ic.t-hand{color:var(--accent)}
.t-ic.t-share{color:#7dd3fc}
.t-ic svg{width:14px;height:14px}

.self-tile::before{
    content:'';position:absolute;inset:0;pointer-events:none;z-index:1;
    box-shadow:inset 0 0 0 1px rgba(163,230,53,.35);border-radius:inherit;
}

.stage-hint{
    position:absolute;inset:0;display:flex;flex-direction:column;gap:.8rem;
    align-items:center;justify-content:center;text-align:center;
    color:var(--muted);font-size:1rem;font-weight:600;pointer-events:none;line-height:2;
}
.stage-hint svg{opacity:.4}

/* ---------- سایدبار ---------- */
.sidebar{
    width:var(--sbw);flex:none;display:flex;flex-direction:column;overflow:hidden;
    transition:width .25s ease,border .25s ease;min-height:0;
}
.sidebar.closed{width:0;border-color:transparent}
.sidebar>*{width:calc(var(--sbw) - 2px);flex:none}
.side-tabs{display:flex;align-items:center;gap:.3rem;padding:.6rem .6rem 0}
.side-tab{
    flex:1;padding:.55rem;border:none;background:transparent;color:var(--muted);
    font-family:var(--font);font-weight:700;font-size:.88rem;cursor:pointer;
    border-radius:10px 10px 0 0;border-bottom:2px solid transparent;position:relative;
}
.side-tab.active{color:var(--text);border-bottom-color:var(--accent)}
.side-close{background:none;border:none;color:var(--muted);cursor:pointer;padding:.4rem;border-radius:8px}
.side-close:hover{color:var(--text);background:var(--panel2)}
.unread-badge{
    position:absolute;top:1px;inset-inline-start:8px;
    background:var(--danger);color:#fff;font-size:.65rem;font-weight:800;
    min-width:18px;height:18px;border-radius:99px;display:grid;place-items:center;padding:0 4px;
}
.side-pane{display:none;flex:1;flex-direction:column;min-height:0}
.side-pane.active{display:flex}

.chat-list{flex:1;overflow-y:auto;padding:.9rem;display:flex;flex-direction:column;gap:.55rem}
.chat-sys{
    align-self:center;background:rgba(255,255,255,.06);color:var(--muted);
    font-size:.72rem;padding:.25rem .8rem;border-radius:99px;
}
.chat-msg{max-width:86%;align-self:flex-start;background:var(--panel2);border:1px solid var(--border);border-radius:14px;border-end-start-radius:4px;padding:.5rem .75rem;animation:fadeUp .2s ease}
.chat-msg.own{align-self:flex-end;background:rgba(163,230,53,.13);border-color:rgba(163,230,53,.28);border-radius:14px;border-end-end-radius:4px}
.chat-msg.from-coach:not(.own){border-color:rgba(163,230,53,.3)}
.chat-head{font-size:.7rem;font-weight:800;color:var(--accent);margin-bottom:.15rem}
.chat-msg.own .chat-head{color:#8fd612}
.chat-body{font-size:.88rem;line-height:1.75;word-break:break-word}
.chat-time{font-size:.62rem;color:var(--muted);text-align:end;margin-top:.15rem}
.chat-form{display:flex;gap:.45rem;padding:.7rem;border-top:1px solid var(--border)}
.chat-form input{
    flex:1;background:rgba(0,0,0,.3);border:1px solid var(--border);border-radius:99px;
    padding:.6rem 1rem;color:var(--text);font-family:var(--font);font-size:.88rem;
}
.chat-form input:focus{outline:none;border-color:rgba(163,230,53,.5)}
.send-btn{
    width:42px;height:42px;border:none;border-radius:50%;cursor:pointer;flex:none;
    background:linear-gradient(135deg,var(--accent),var(--accent2));color:var(--accent-ink);
    display:grid;place-items:center;transition:transform .15s ease;
}
.send-btn:hover{transform:scale(1.07)}

.people-list{list-style:none;flex:1;overflow-y:auto;padding:.9rem;display:flex;flex-direction:column;gap:.5rem}
.person{
    display:flex;justify-content:space-between;align-items:center;gap:.6rem;
    background:rgba(0,0,0,.25);border:1px solid var(--border);
    padding:.6rem .8rem;border-radius:var(--radius-sm);font-size:.88rem;
}
.p-info b{font-weight:700}
.p-state{display:flex;align-items:center;gap:.35rem}
.p-ic{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;background:rgba(0,0,0,.4);color:var(--muted)}
.p-ic.off{color:#ff8f8f}
.p-ic.hand{color:var(--accent)}
.p-ic svg{width:14px;height:14px}
.icon-btn{
    border:none;background:rgba(244,91,91,.14);color:#ff9a9a;cursor:pointer;
    width:28px;height:28px;border-radius:8px;display:grid;place-items:center;transition:background .15s;
}
.icon-btn:hover{background:rgba(244,91,91,.3)}

/* ---------- نوار کنترل ---------- */
.controls{
    display:flex;justify-content:center;align-items:center;gap:.55rem;
    margin:0 .9rem .9rem;padding:.6rem .9rem;flex-wrap:wrap;box-shadow:var(--shadow);
}
.ctrl-btn{
    width:48px;height:48px;border-radius:50%;border:1px solid var(--border);cursor:pointer;
    background:var(--panel2);color:var(--text);display:grid;place-items:center;
    transition:all .16s ease;position:relative;flex:none;
}
.ctrl-btn:hover{transform:translateY(-2px);background:rgba(255,255,255,.1)}
.ctrl-btn.off{background:rgba(244,91,91,.85);border-color:var(--danger);color:#fff}
.ctrl-btn.off:hover{background:var(--danger)}
.ctrl-btn.active{background:linear-gradient(135deg,var(--accent),var(--accent2));color:var(--accent-ink);border-color:transparent}
.ctrl-btn.rec-on{background:var(--danger);border-color:var(--danger);color:#fff;animation:pulse 1.2s infinite}
.ctrl-leave{background:linear-gradient(135deg,#ef4444,#dc2626);border:none;color:#fff;width:auto;padding:0 1.3rem;border-radius:99px;height:48px}
.ctrl-leave:hover{filter:brightness(1.1)}
.ctrl-danger{background:rgba(244,91,91,.12);border-color:rgba(244,91,91,.4);color:#ff8a8a}
.ctrl-danger:hover{background:rgba(244,91,91,.25)}

/* ---------- اعلان‌ها و پوشش پایان ---------- */
.toast-wrap{position:fixed;bottom:96px;inset-inline-start:50%;transform:translateX(50%);z-index:200;display:flex;flex-direction:column;gap:.5rem;align-items:center;pointer-events:none}
.toast{
    background:rgba(16,22,19,.94);border:1px solid var(--border);color:var(--text);
    padding:.6rem 1.2rem;border-radius:99px;font-size:.85rem;font-weight:600;
    opacity:0;transform:translateY(10px);transition:all .3s ease;box-shadow:var(--shadow);
    backdrop-filter:blur(10px);max-width:88vw;
}
.toast.show{opacity:1;transform:none}
.toast.warn{border-color:rgba(251,191,36,.45);color:#fcd34d}

.end-overlay{
    position:fixed;inset:0;z-index:300;display:grid;place-items:center;
    background:rgba(5,8,7,.9);backdrop-filter:blur(8px);padding:1.5rem;
}

/* ---------- ریسپانسیو ---------- */
@media (max-width:1020px){
    .landing{grid-template-columns:1fr;gap:2rem;padding:2rem 1.2rem;text-align:center}
    .hero .brand,.feature-list li{justify-content:center}
    .hero-sub{margin:0 auto}
    .dash-grid{grid-template-columns:1fr}
}
@media (max-width:860px){
    .call-main{padding:.5rem;gap:.5rem}
    .call-header{margin:.5rem .5rem 0}
    .controls{margin:0 .5rem .5rem;gap:.4rem;padding:.5rem}
    .ctrl-btn{width:44px;height:44px}
    .sidebar{
        position:absolute;inset-block:0;inset-inline-end:0;z-index:60;
        box-shadow:var(--shadow);transition:transform .25s ease;
    }
    .sidebar.closed{width:var(--sbw);transform:translateX(105%)}
    .stats-row{grid-template-columns:repeat(3,1fr);gap:.6rem}
    .video-grid[data-count="5"],.video-grid[data-count="6"],
    .video-grid[data-count="7"],.video-grid[data-count="8"],.video-grid[data-count="9"]{grid-template-columns:repeat(2,1fr)}
    .ch-title{max-width:46vw}
}
@media (max-width:560px){
    :root{--sbw:86vw}
    .topbar{padding:.7rem .9rem}
    .dash-main{padding:1.2rem .8rem 3rem}
    .panel{padding:1.1rem}
    .stats-row{grid-template-columns:1fr 1fr 1fr}
    .stat-num{font-size:1.5rem}
    .auth-card{padding:1.4rem}
    .lobby-card{padding:1.4rem}
    .video-grid[data-count="3"],.video-grid[data-count="4"]{grid-template-columns:1fr}
    .tbl{font-size:.8rem}
}