:root{
    --board:#1D3B31;
    --board-2:#163026;
    --board-3:#0F2119;
    --chalk:#F2F0E6;
    --chalk-dim:#9FBCAB;
    --yellow:#E8C468;
    --coral:#E88D67;
    --line: rgba(242,240,230,0.18);
  }
  *{box-sizing:border-box;}
  body{
    margin:0;
    background:var(--board);
    background-image: repeating-linear-gradient(0deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 34px);
    color:var(--chalk);
    font-family:'Vazirmatn', sans-serif;
    min-height:100vh;
  }
  .en{font-family:'Space Grotesk', sans-serif; direction:ltr; display:inline-block;}
  .mono{font-family:'JetBrains Mono', monospace; direction:ltr; display:inline-block;}
  h1,h2,h3{font-family:'Vazirmatn'; font-weight:800;}
  a{color:inherit;}
  button{font-family:'Vazirmatn'; cursor:pointer;}

  nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 28px; border-bottom:2px dashed var(--line);
    position:sticky; top:0; background:var(--board); z-index:50; flex-wrap:wrap; gap:10px;
  }
  .logo{display:flex; align-items:center; gap:10px; cursor:pointer;}
  .logo .icon{
    width:36px;height:36px; border:2px dashed var(--yellow); border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    font-family:'JetBrains Mono'; color:var(--yellow); font-weight:700; font-size:13px;
  }
  .logo .name{font-size:19px; font-weight:800; letter-spacing:0.01em;}
  .nav-right{display:flex; align-items:center; gap:10px; flex-wrap:wrap;}
  .nav-btn{
    background:transparent; border:1.5px dashed var(--chalk-dim); color:var(--chalk);
    padding:8px 16px; border-radius:20px; font-size:13.5px;
  }
  .nav-btn:hover{border-color:var(--yellow); color:var(--yellow);}
  .nav-btn.primary{background:var(--yellow); color:var(--board-3); border:none; font-weight:700;}
  .nav-btn.primary:hover{background:#f2d488;}
  .nav-btn.ghost{border-style:dotted; border-color:var(--coral); color:var(--coral); font-size:12px;}
  .pill{font-family:'JetBrains Mono'; font-size:11px; color:var(--coral); border:1px solid var(--coral); padding:4px 10px; border-radius:12px;}

  .wrap{max-width:1100px; margin:0 auto; padding:30px 24px 80px;}
  .hidden{display:none !important;}

  .hero{text-align:center; padding:30px 0 40px;}
  .hero h1{font-size:clamp(26px,4vw,38px); margin:0 0 10px;}
  .hero p{color:var(--chalk-dim); font-size:15px;}
  .grid{
    display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:18px; margin-top:26px;
  }
  .card{
    border:1.5px dashed var(--line); border-radius:10px; overflow:hidden; background:var(--board-2);
    transition:transform .15s, border-color .15s; cursor:pointer;
  }
  .card:hover{transform:translateY(-3px); border-color:var(--yellow);}
  .thumb{
    height:130px; display:flex; align-items:center; justify-content:center;
    font-family:'Space Grotesk'; font-size:26px; font-weight:700; color:var(--board-3);
    position:relative; background-size:cover; background-position:center;
  }
  .thumb .dur{
    position:absolute; bottom:8px; left:8px; background:rgba(15,33,25,0.75); color:var(--chalk);
    font-family:'JetBrains Mono'; font-size:11px; padding:3px 8px; border-radius:6px;
  }
  .thumb .likes{
    position:absolute; top:8px; right:8px; background:rgba(15,33,25,0.75); color:var(--coral);
    font-family:'JetBrains Mono'; font-size:11px; padding:3px 8px; border-radius:6px;
  }
  .card-body{padding:14px;}
  .card-body h3{font-size:14.5px; margin:0 0 6px; line-height:1.5;}
  .card-body .instr{font-size:12.5px; color:var(--chalk-dim); display:flex; justify-content:space-between;}
  .empty{
    text-align:center; padding:60px 20px; color:var(--chalk-dim); border:1.5px dashed var(--line);
    border-radius:10px; margin-top:20px; font-size:14px;
  }

  .auth-box{
    max-width:380px; margin:50px auto; border:1.5px dashed var(--line); border-radius:12px;
    padding:30px 28px; background:var(--board-2);
  }
  .auth-box h2{margin:0 0 6px; font-size:20px;}
  .auth-box .sw{color:var(--chalk-dim); font-size:13px; margin-bottom:20px;}
  .field{margin-bottom:14px;}
  .field label{display:block; font-size:12.5px; color:var(--chalk-dim); margin-bottom:6px;}
  .field input, .field textarea{
    width:100%; background:var(--board-3); border:1px solid var(--line); color:var(--chalk);
    padding:10px 12px; border-radius:6px; font-family:'Vazirmatn'; font-size:14px; outline:none;
  }
  .field textarea{min-height:70px; resize:vertical;}
  .field input:focus, .field textarea:focus{border-color:var(--yellow);}
  .field .hint{font-size:11.5px; color:var(--chalk-dim); margin-top:5px;}
  .submit-btn{
    width:100%; background:var(--yellow); color:var(--board-3); border:none; padding:12px;
    border-radius:6px; font-weight:700; font-size:14.5px; margin-top:6px;
  }
  .submit-btn:disabled{opacity:0.6;}
  .toggle-link{color:var(--coral); cursor:pointer; text-decoration:underline; font-size:13px;}
  .err{color:var(--coral); font-size:12.5px; margin-top:8px; display:none;}
  .ok{color:var(--yellow); font-size:12.5px; margin-top:8px; display:none;}

  .panel-box{max-width:520px; margin:30px auto; border:1.5px dashed var(--line); border-radius:12px; padding:28px; background:var(--board-2);}
  .panel-box h2{margin-top:0; font-size:19px;}
  .panel-box .note{font-size:12.5px; color:var(--chalk-dim); background:var(--board-3); border-radius:6px; padding:10px 12px; margin-bottom:18px; line-height:1.8;}
  .mode-tabs{display:flex; gap:8px; margin-bottom:16px;}
  .mode-tab{flex:1; text-align:center; padding:9px; border:1.5px dashed var(--line); border-radius:6px; font-size:13px; color:var(--chalk-dim);}
  .mode-tab.active{border-color:var(--yellow); color:var(--yellow); background:rgba(232,196,104,0.08);}

  .modal-bg{
    position:fixed; inset:0; background:rgba(10,20,15,0.85); display:flex; align-items:center;
    justify-content:center; z-index:100; padding:20px;
  }
  .modal{max-width:720px; width:100%; background:var(--board-2); border:1.5px dashed var(--yellow); border-radius:12px; padding:24px; max-height:88vh; overflow:auto;}
  .modal .frame{width:100%; aspect-ratio:16/9; background:#000; border-radius:8px; margin-bottom:16px; display:flex; align-items:center; justify-content:center;}
  .modal iframe, .modal video{width:100%; height:100%; border:none; border-radius:8px;}
  .close-x{float:left; background:none; border:none; color:var(--chalk-dim); font-size:20px;}
  .video-meta{display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px; margin:6px 0 14px;}
  .action-btn{
    border:1.5px dashed var(--chalk-dim); background:transparent; color:var(--chalk);
    padding:8px 16px; border-radius:18px; font-size:13px;
  }
  .action-btn.active{border-color:var(--coral); color:var(--coral);}
  .action-btn.follow.active{border-color:var(--yellow); color:var(--yellow); background:rgba(232,196,104,0.1);}

  .admin-header{display:flex; align-items:center; gap:12px; margin-bottom:22px; justify-content:space-between; flex-wrap:wrap;}
  .stat-row{display:grid; grid-template-columns:repeat(auto-fit,minmax(140px,1fr)); gap:14px; margin-bottom:28px;}
  .stat{border:1.5px dashed var(--line); border-radius:10px; padding:18px; text-align:center; background:var(--board-2);}
  .stat .num{font-family:'Space Grotesk'; font-size:26px; color:var(--yellow); font-weight:700;}
  .stat .lbl{font-size:12.5px; color:var(--chalk-dim); margin-top:4px;}
  table{width:100%; border-collapse:collapse; margin-bottom:30px; font-size:13.5px;}
  th,td{padding:10px 12px; text-align:right; border-bottom:1px solid var(--line);}
  th{color:var(--chalk-dim); font-weight:600; font-size:12.5px;}
  .del-btn{background:none; border:1px solid var(--coral); color:var(--coral); padding:5px 12px; border-radius:14px; font-size:12px;}
  .del-btn:hover{background:rgba(232,141,103,0.12);}
  .section-title{font-size:15px; color:var(--yellow); margin:0 0 12px; font-weight:700;}