@import url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/Vazirmatn-font-face.css');

:root{
    --bg:#0f1620;
    --bg-2:#16202c;
    --card:#1c2733;
    --card-2:#222e3c;
    --border:#2c3a4a;
    --text:#e8eef5;
    --muted:#93a4b8;
    --brand:#3b82f6;
    --brand-2:#2563eb;
    --danger:#ef4444;
    --ok:#22c55e;
    --radius:14px;
    --shadow:0 6px 24px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
    font-family:Vazirmatn,Tahoma,'Segoe UI',sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.7;
    font-size:15px;
}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0 0 .6em}
.muted{color:var(--muted);font-size:.92rem}
code{background:var(--bg-2);padding:.1em .4em;border-radius:6px;font-family:monospace}

/* ===== فرم لاگین / نصب ===== */
.auth-body{
    min-height:100vh;display:flex;align-items:center;justify-content:center;
    background:radial-gradient(1200px 600px at 50% -10%,#1e3a5f33,transparent),var(--bg);
    padding:20px;
}
.auth-card{
    width:100%;max-width:380px;background:var(--card);border:1px solid var(--border);
    border-radius:var(--radius);padding:32px 26px;box-shadow:var(--shadow);text-align:center;
}
.brand-logo{font-size:46px;margin-bottom:6px}
.auth-card h1{font-size:1.25rem}
.auth-card form{margin-top:18px;text-align:right}

label{display:block;margin-bottom:14px;font-size:.9rem;color:var(--muted)}
input,select{
    width:100%;margin-top:6px;padding:11px 12px;border-radius:10px;
    border:1px solid var(--border);background:var(--bg-2);color:var(--text);
    font-family:inherit;font-size:.95rem;
}
input:focus,select:focus{outline:none;border-color:var(--brand)}
input[type=file]{padding:8px}

/* ===== دکمه‌ها ===== */
.btn{
    display:inline-block;cursor:pointer;border:none;border-radius:10px;
    background:var(--brand);color:#fff;padding:11px 18px;font-family:inherit;
    font-size:.92rem;font-weight:600;transition:.15s;
}
.btn:hover{background:var(--brand-2)}
.btn-block{width:100%;margin-top:6px}
.btn-sm{padding:7px 12px;font-size:.82rem}
.btn-ghost{background:var(--card-2)}
.btn-ghost:hover{background:var(--border)}
.btn-danger{background:var(--danger)}
.btn-danger:hover{filter:brightness(.92)}

.flash{background:#16351f;border:1px solid #2c6b3c;color:#b8f5c8;
    padding:10px 14px;border-radius:10px;margin-bottom:16px;font-size:.9rem}
.flash.error{background:#3a1a1a;border-color:#7a2c2c;color:#ffc8c8}

/* ===== چیدمان پنل مدیر ===== */
.topbar{
    position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:12px;
    background:var(--bg-2);border-bottom:1px solid var(--border);padding:12px 16px;
}
.topbar-title{font-weight:700;flex:1;font-size:1rem}
.topbar-user{font-size:.85rem;color:var(--muted)}
.topbar-user a{color:var(--brand)}
.menu-toggle{display:none;background:var(--card);border:1px solid var(--border);
    color:var(--text);font-size:1.2rem;border-radius:8px;padding:4px 10px;cursor:pointer}

.layout{display:flex;min-height:calc(100vh - 53px)}
.sidebar{
    width:215px;flex-shrink:0;background:var(--bg-2);border-left:1px solid var(--border);padding:16px 10px;
}
.sidebar nav a{
    display:block;padding:11px 14px;border-radius:10px;color:var(--muted);
    margin-bottom:4px;font-size:.92rem;transition:.15s;
}
.sidebar nav a:hover{background:var(--card);color:var(--text)}
.sidebar nav a.active{background:var(--brand);color:#fff}
.content{flex:1;padding:24px;min-width:0}
.page-h1{font-size:1.4rem;margin-bottom:18px}

/* ===== کارت‌ها ===== */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
    padding:20px;margin-bottom:20px}
.card h2{font-size:1.05rem}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}
.stat{text-align:center}
.stat-num{font-size:2rem;font-weight:800;color:var(--brand)}
.stat-label{color:var(--muted);font-size:.85rem}
.guide{padding-right:18px;color:var(--muted)}
.guide li{margin-bottom:6px}

/* ===== فرم‌ها ===== */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 18px}
.form-grid .src-block,.form-grid .form-actions{grid-column:1/-1}
.form-actions{margin-top:6px}

/* ===== جدول ===== */
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:right;padding:11px 10px;border-bottom:1px solid var(--border);vertical-align:middle}
th{color:var(--muted);font-weight:600;font-size:.82rem}
.row-actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.inline{display:inline}
.inline-edit{display:contents}
.badge{background:var(--card-2);border:1px solid var(--border);border-radius:20px;
    padding:3px 10px;font-size:.78rem;color:var(--muted)}

/* ===== کاربر ===== */
.user-body{background:var(--bg)}
.user-topbar{justify-content:space-between}
.user-content{max-width:1100px;margin:0 auto;padding:24px 18px}
.empty{background:var(--card);border:1px dashed var(--border);border-radius:var(--radius);
    padding:40px;text-align:center;color:var(--muted)}

.cat-section{margin-bottom:30px}
.cat-title{font-size:1.15rem;border-right:4px solid var(--brand);padding-right:10px}
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.topic-card{display:flex;align-items:center;gap:14px;background:var(--card);
    border:1px solid var(--border);border-radius:var(--radius);padding:16px;transition:.15s}
.topic-card:hover{border-color:var(--brand);transform:translateY(-2px)}
.topic-icon{font-size:1.8rem}
.topic-info{flex:1;min-width:0}
.topic-name{font-weight:700}
.topic-meta{color:var(--muted);font-size:.82rem}
.topic-arrow{font-size:1.6rem;color:var(--muted)}

.breadcrumb{color:var(--muted);font-size:.88rem;margin-bottom:18px}
.breadcrumb a{color:var(--brand)}
.breadcrumb span{margin:0 4px}

.player-layout{display:grid;grid-template-columns:1fr 320px;gap:20px;align-items:start}
.player-main{min-width:0}
.now-playing{font-size:1.15rem;margin-bottom:12px}
.video-wrap{position:relative;width:100%;aspect-ratio:16/9;background:#000;
    border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.video-wrap video,.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

.playlist{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.playlist-head{padding:14px 16px;border-bottom:1px solid var(--border);font-weight:700;font-size:.92rem}
.playlist ul{list-style:none;margin:0;padding:0;max-height:70vh;overflow-y:auto}
.playlist a{display:flex;gap:10px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border);color:var(--muted);transition:.12s}
.playlist a:hover{background:var(--card-2);color:var(--text)}
.playlist a.active{background:var(--brand);color:#fff}
.pl-num{width:24px;height:24px;flex-shrink:0;border-radius:50%;background:var(--bg-2);
    display:flex;align-items:center;justify-content:center;font-size:.78rem}
.playlist a.active .pl-num{background:rgba(255,255,255,.25)}
.pl-title{font-size:.88rem}

.nav-backdrop{display:none}

/* ===== ریسپانسیو: تبلت ===== */
@media (max-width:900px){
    .cards{grid-template-columns:repeat(2,1fr)}
    .player-layout{grid-template-columns:1fr}
    .playlist ul{max-height:none}
}

/* ===== ریسپانسیو: موبایل ===== */
@media (max-width:680px){
    .menu-toggle{display:block}
    .sidebar{
        position:fixed;top:53px;right:0;bottom:0;z-index:40;transform:translateX(100%);
        transition:transform .25s;box-shadow:var(--shadow);
    }
    body.nav-open .sidebar{transform:translateX(0)}
    body.nav-open .nav-backdrop{display:block;position:fixed;inset:53px 0 0;background:rgba(0,0,0,.5);z-index:35}
    .content{padding:16px}
    .form-grid{grid-template-columns:1fr}
    .cards{grid-template-columns:repeat(2,1fr)}
    .topic-grid{grid-template-columns:1fr}
    .topbar-user{font-size:.78rem}
}