:root{--bg: #f4f6f9;--panel: #ffffff;--sidebar: #1e293b;--sidebar-active: #334155;--text: #1e293b;--muted: #64748b;--border: #e2e8f0;--primary: #2563eb;--primary-dark: #1d4ed8;--danger: #dc2626;--ok: #16a34a;--warn: #d97706}*{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}input,select{font:inherit}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--sidebar);color:#cbd5e1;display:flex;flex-direction:column;position:fixed;top:0;bottom:0}.sidebar .brand{padding:18px 16px;font-weight:700;color:#fff;font-size:16px;border-bottom:1px solid #334155}.sidebar nav{flex:1;padding:8px 0;overflow-y:auto}.sidebar nav a{display:block;padding:10px 16px;border-left:3px solid transparent}.sidebar nav a:hover{background:var(--sidebar-active);color:#fff}.sidebar nav a.active{background:var(--sidebar-active);color:#fff;border-left-color:var(--primary)}.main{flex:1;margin-left:220px;display:flex;flex-direction:column}.topbar{background:var(--panel);border-bottom:1px solid var(--border);padding:12px 24px;display:flex;align-items:center;justify-content:space-between}.content{padding:24px;max-width:1200px;width:100%}.h1{font-size:20px;font-weight:700;margin-bottom:16px}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:16px}.grid{display:grid;gap:16px}.grid.cols-4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.grid.cols-3{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.stat{text-align:center;padding:20px 12px}.stat .num{font-size:28px;font-weight:700}.stat .lbl{color:var(--muted);margin-top:4px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border);vertical-align:middle}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}tr:hover td{background:#f8fafc}.btn{display:inline-block;border:1px solid var(--border);background:var(--panel);border-radius:8px;padding:7px 14px;color:var(--text)}.btn:hover{background:#f1f5f9}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-dark)}.btn.danger{color:var(--danger);border-color:#fecaca}.btn.danger:hover{background:#fef2f2}.btn.sm{padding:4px 10px;font-size:13px;border-radius:6px}.btn:disabled{opacity:.5;cursor:not-allowed}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge.on{background:#dcfce7;color:var(--ok)}.badge.off{background:#fee2e2;color:var(--danger)}.badge.gray{background:#f1f5f9;color:var(--muted)}.form{display:flex;flex-direction:column;gap:12px}.form label{font-size:13px;color:var(--muted);display:block;margin-bottom:4px}.form input,.form select{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:#fff}.form input:focus,.form select:focus{outline:2px solid #bfdbfe;border-color:var(--primary)}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.row.between{justify-content:space-between}.spacer{flex:1}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:#fff;border-radius:12px;padding:20px;width:460px;max-width:92vw;max-height:88vh;overflow-y:auto}.modal h3{margin-bottom:14px}.alert{padding:10px 14px;border-radius:8px;margin-bottom:12px;font-size:13px}.alert.err{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}.alert.ok{background:#f0fdf4;color:var(--ok);border:1px solid #bbf7d0}.alert.info{background:#eff6ff;color:var(--primary);border:1px solid #bfdbfe}.creds{background:#0f172a;color:#e2e8f0;border-radius:8px;padding:12px;font-family:ui-monospace,monospace;font-size:13px;line-height:1.8}.thumb-card{border:1px solid var(--border);border-radius:10px;overflow:hidden;background:#fff}.thumb-card img,.thumb-card .noimg{width:100%;height:130px;object-fit:cover;background:#0f172a;display:block;color:#64748b;text-align:center;line-height:130px}.thumb-card .meta{padding:10px}.thumb-card .meta .name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thumb-card .meta .sub{color:var(--muted);font-size:12px;margin-top:2px}.progress{height:8px;background:#e2e8f0;border-radius:999px;overflow:hidden}.progress>div{height:100%;background:var(--primary);transition:width .2s}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--sidebar)}.login-box{background:#fff;border-radius:14px;padding:32px;width:360px}.login-box h1{font-size:20px;margin-bottom:20px;text-align:center}.ctrl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px}.ctrl-grid .btn{padding:14px 8px;text-align:center;font-weight:600}.statusline{color:var(--muted);font-size:13px}.feed{max-height:300px;overflow-y:auto;font-size:13px}.feed .item{padding:6px 0;border-bottom:1px dashed var(--border)}.muted{color:var(--muted)}