/* Local Persian fonts (no external links) */
@font-face{font-family:'IRANSans';src:url('/assets/fonts/IRANSans/IRANSans.woff2') format('woff2'),url('/assets/fonts/IRANSans/IRANSans.woff') format('woff');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'IRANSans';src:url('/assets/fonts/IRANSans/IRANSans-Bold.woff2') format('woff2'),url('/assets/fonts/IRANSans/IRANSans-Bold.woff') format('woff');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'IRANSans';src:url('/assets/fonts/IRANSans/IRANSans-Light.woff2') format('woff2'),url('/assets/fonts/IRANSans/IRANSans-Light.woff') format('woff');font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:'IRANSans';src:url('/assets/fonts/IRANSans/IRANSans-Medium.woff2') format('woff2'),url('/assets/fonts/IRANSans/IRANSans-Medium.woff') format('woff');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'IRANSans';src:url('/assets/fonts/IRANSans/IRANSans-Thin.woff2') format('woff2'),url('/assets/fonts/IRANSans/IRANSans-Thin.woff') format('woff');font-weight:200;font-style:normal;font-display:swap}

@font-face{font-family:'Vazir';src:url('/assets/fonts/Vazir/Vazir.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Vazir';src:url('/assets/fonts/Vazir/Vazir-Bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'Vazir';src:url('/assets/fonts/Vazir/Vazir-Light.woff2') format('woff2');font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:'Vazir';src:url('/assets/fonts/Vazir/Vazir-Medium.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'Vazir';src:url('/assets/fonts/Vazir/Vazir-Thin.woff2') format('woff2');font-weight:200;font-style:normal;font-display:swap}

html[data-font="vazir"]{--ui-font:'Vazir'}
html[data-font="iransans"]{--ui-font:'IRANSans'}

:root{
  --bg:#f6f7fb;
  --card:#fff;
  --text:#1b1e28;
  --muted:#6b7280;
  --border:#e5e7eb;
  --primary:#0b5fff;
  --danger:#d92d20;
  --shadow:0 10px 30px rgba(0,0,0,.06);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:var(--ui-font, 'IRANSans'),Tahoma,Arial,sans-serif;background:var(--bg);color:var(--text)}

a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

.topbar{position:sticky;top:0;z-index:10;background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:10px 14px;gap:10px}
.brand{font-weight:700}
.toplinks{display:flex;gap:10px;flex-wrap:wrap}
.link{padding:6px 10px;border-radius:10px;border:1px solid var(--border);background:#fff}
.link.danger{border-color:#ffd1cc;color:var(--danger)}

.container{max-width:1100px;margin:14px auto;padding:0 12px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:14px}
.card.sub{box-shadow:none;padding:12px}
h1{margin:0 0 12px 0;font-size:18px}
h2{margin:0 0 10px 0;font-size:15px}
h3{margin:0 0 10px 0;font-size:14px}

label{display:block;font-size:12px;color:var(--muted);margin:10px 0 6px}
input,select{width:100%;border:1px solid var(--border);border-radius:12px;padding:10px 12px;font-size:14px;background:#fff;outline:none}
input:focus,select:focus{border-color:#bfd1ff}

.btn{border:1px solid var(--border);background:#fff;border-radius:12px;padding:10px 12px;font-size:14px;cursor:pointer}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.sm{padding:6px 10px;font-size:12px;border-radius:10px}
.btn:hover{filter:brightness(.98)}

.msg{margin-top:10px;font-size:12px;color:var(--danger)}
.hint{margin-top:10px;font-size:12px;color:var(--muted)}
.muted{color:var(--muted)}
.muted.small{font-size:12px}

.auth{max-width:420px;margin:0 auto}

.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.avatar-wrap{width:88px;height:88px;border-radius:24px;overflow:hidden;border:1px solid var(--border)}
.avatar{width:88px;height:88px;object-fit:cover}
.avatar.sm{width:40px;height:40px;border-radius:14px;border:1px solid var(--border);object-fit:cover}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:10px}
.stat{border:1px solid var(--border);border-radius:14px;padding:12px;text-align:center}
.stat .n{font-size:20px;font-weight:800}
.stat .t{font-size:12px;color:var(--muted)}
.row{display:flex;gap:10px;flex-wrap:wrap}

.table-wrap{overflow:auto;border-radius:14px;border:1px solid var(--border)}
.table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
.table th,.table td{padding:10px;border-bottom:1px solid var(--border);font-size:13px;text-align:right}
.table th{color:var(--muted);font-weight:600;background:#fafbff}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

.modal{position:fixed;inset:0;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal.hidden{display:none}
.modal-card{width:min(980px,100%);background:#fff;border-radius:18px;padding:12px;border:1px solid var(--border);box-shadow:var(--shadow)}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}

/* App shell */
.app-shell{display:grid;grid-template-columns:360px 1fr;gap:12px;min-height:70vh}
.sidebar{background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.sidebar-head{padding:12px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:10px}
.me{display:flex;align-items:center;gap:10px}
.conv-list{overflow:auto;max-height:70vh}
.conv{padding:12px;border-bottom:1px solid var(--border);cursor:pointer}
.conv:hover{background:#fafbff}
.conv-title{font-weight:700;font-size:13px}
.conv-meta{font-size:11px;color:var(--muted);margin-top:4px}

.chat{background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.chat-head{padding:10px 12px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
.chat-title{font-weight:700}
.spacer{flex:1}
.chat-body{padding:12px;overflow:auto;flex:1;max-height:70vh;background:linear-gradient(#fff,#fbfbff)}
.bubble{max-width:75%;padding:10px 12px;border-radius:16px;margin:8px 0;border:1px solid var(--border)}
.bubble.me{margin-right:auto;background:#eff5ff;border-color:#d7e6ff}
.bubble.other{margin-left:auto;background:#fff}
.bubble .meta{font-size:11px;color:var(--muted);margin-top:6px}
.bubble .head{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.bubble .head img{width:24px;height:24px;border-radius:10px;border:1px solid var(--border);object-fit:cover}
.bubble .head .n{font-size:12px;font-weight:700}
.chat-compose{padding:10px;border-top:1px solid var(--border)}
.chat-compose form{display:flex;gap:10px}
#msgInput{flex:1}

@media (max-width: 900px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{display:none}
  .sidebar.show{display:flex}
  .chat-body{max-height:58vh}
  .conv-list{max-height:58vh}
  .grid2{grid-template-columns:1fr}
  .profile-grid{grid-template-columns:1fr}
}