*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0e1117;--surface:#161b22;--surface2:#1c2128;--border:#30363d;
  --text:#e6edf3;--muted:#8b949e;--accent:#2f81f7;--accent-hover:#1f6feb;
  --green:#3fb950;--orange:#d29922;--red:#f85149;--purple:#a371f7
}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;font-size:14px}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
/* Header */
.site-header{background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;height:56px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:100}
.site-logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;color:var(--text);text-decoration:none}
.logo-icon{width:32px;height:32px;background:linear-gradient(135deg,#2f81f7,#a371f7);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.site-nav{display:flex;gap:4px;flex:1;margin-left:8px}
.site-nav a{color:var(--muted);padding:6px 12px;border-radius:6px;font-size:13px;transition:all .15s}
.site-nav a:hover,.site-nav a.active{color:var(--text);background:var(--surface2);text-decoration:none}
.header-actions{display:flex;gap:8px;margin-left:auto;align-items:center}
.btn{display:inline-flex;align-items:center;gap:6px;padding:5px 16px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;border:1px solid;transition:all .15s;text-decoration:none}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}
.btn-outline{background:transparent;border-color:var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--muted);background:var(--surface2)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--muted)}.btn-ghost:hover{color:var(--text);background:var(--surface2);border-color:var(--border)}
.btn-danger{background:#da3633;border-color:#f85149;color:#fff}.btn-danger:hover{background:#b91c1c}
/* Layout */
.container{max-width:1200px;margin:0 auto;padding:24px}
.page-grid{display:grid;grid-template-columns:1fr 280px;gap:24px}
.sidebar{display:flex;flex-direction:column;gap:16px}
/* Cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden}
.card-header{padding:12px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card-header h3{font-size:13px;font-weight:600;color:var(--text)}
.card-body{padding:16px}
/* Forum */
.forum-category{margin-bottom:8px}
.forum-category-header{background:var(--surface2);padding:10px 16px;border-bottom:1px solid var(--border);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.forum-row{display:grid;grid-template-columns:40px 1fr 80px 80px 200px;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);transition:background .1s}
.forum-row:last-child{border-bottom:none}
.forum-row:hover{background:var(--surface2)}
.forum-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.forum-info h4{font-size:14px;font-weight:600;margin-bottom:2px}
.forum-info p{font-size:12px;color:var(--muted)}
.forum-stat{text-align:center;font-size:13px}
.forum-stat span{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.forum-last{font-size:12px;color:var(--muted)}
.forum-last a{color:var(--text);font-weight:500}
/* Topics */
.topic-row{display:grid;grid-template-columns:1fr 60px 60px 160px;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);transition:background .1s}
.topic-row:hover{background:var(--surface2)}
.topic-row:last-child{border-bottom:none}
.topic-title a{font-size:14px;font-weight:500;color:var(--text)}.topic-title a:hover{color:var(--accent)}
.topic-meta{font-size:12px;color:var(--muted);margin-top:3px}
.badge{display:inline-block;padding:1px 8px;border-radius:99px;font-size:11px;font-weight:500}
.badge-blue{background:rgba(47,129,247,.15);color:#79c0ff;border:1px solid rgba(47,129,247,.3)}
.badge-green{background:rgba(63,185,80,.15);color:#7ee787;border:1px solid rgba(63,185,80,.3)}
.badge-orange{background:rgba(210,153,34,.15);color:#e3b341;border:1px solid rgba(210,153,34,.3)}
.badge-purple{background:rgba(163,113,247,.15);color:#d2a8ff;border:1px solid rgba(163,113,247,.3)}
.badge-red{background:rgba(248,81,73,.15);color:#ff7b72;border:1px solid rgba(248,81,73,.3)}
/* Avatar */
.avatar{border-radius:50%;object-fit:cover;display:inline-flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}
.avatar-sm{width:24px;height:24px;font-size:11px}
.avatar-md{width:36px;height:36px;font-size:15px}
.avatar-lg{width:48px;height:48px;font-size:20px}
/* Forms */
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:var(--text)}
.form-hint{font-size:12px;color:var(--muted);margin-top:4px}
.form-input{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:6px;padding:8px 12px;font-size:14px;color:var(--text);font-family:inherit;transition:border-color .15s;outline:none}
.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,129,247,.15)}
.form-input::placeholder{color:var(--muted)}
.form-divider{display:flex;align-items:center;gap:12px;margin:20px 0;color:var(--muted);font-size:12px}
.form-divider::before,.form-divider::after{content:'';flex:1;height:1px;background:var(--border)}
.form-check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);cursor:pointer}
.form-check input{accent-color:var(--accent)}
/* Cloud */
.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
.file-item{background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:16px 12px;text-align:center;cursor:pointer;transition:all .15s}
.file-item:hover{border-color:var(--accent);background:rgba(47,129,247,.05)}
.file-icon{font-size:32px;margin-bottom:8px;display:block}
.file-name{font-size:12px;color:var(--text);word-break:break-word;line-height:1.4}
.file-size{font-size:11px;color:var(--muted);margin-top:4px}
.storage-bar{background:var(--surface2);border-radius:99px;height:6px;overflow:hidden;margin:8px 0}
.storage-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--purple))}
/* Breadcrumb */
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--muted)}.breadcrumb a:hover{color:var(--text)}
.breadcrumb-sep{color:var(--border)}
/* Stats widget */
.stat-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--border);font-size:13px}
.stat-row:last-child{border-bottom:none}
.stat-val{font-weight:600;color:var(--text)}
/* Online users */
.online-list{display:flex;flex-wrap:wrap;gap:6px;padding:12px 16px}
.online-user{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}
.online-dot{width:8px;height:8px;border-radius:50%;background:var(--green);flex-shrink:0}
/* Footer */
.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:24px;margin-top:48px;text-align:center;font-size:12px;color:var(--muted)}
.site-footer a{color:var(--muted)}.site-footer a:hover{color:var(--text)}
@media(max-width:768px){.page-grid{grid-template-columns:1fr}.sidebar{display:none}.forum-row{grid-template-columns:40px 1fr}.forum-stat,.forum-last{display:none}}