:root{--bg: #0f172a;--bg-soft: #1e293b;--card: #1e293b;--card-border: #334155;--text: #e2e8f0;--text-muted: #94a3b8;--primary: #7c3aed;--primary-hover: #6d28d9;--primary-soft: #2e1065;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--radius: 14px;--shadow: 0 10px 30px rgba(0, 0, 0, .35)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:radial-gradient(1200px 600px at 50% -10%,#1e1b4b 0%,var(--bg) 55%);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}.container{max-width:900px;margin:0 auto;padding:20px 16px 80px}.topbar{position:sticky;top:0;z-index:20;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0f172abf;border-bottom:1px solid var(--card-border);padding-top:env(safe-area-inset-top)}.topbar-inner{max-width:900px;margin:0 auto;padding:12px max(16px,env(safe-area-inset-right)) 12px max(16px,env(safe-area-inset-left));display:flex;align-items:center;gap:12px}.brand{display:flex;align-items:center;gap:10px;font-weight:700}.brand img{width:30px;height:30px;border-radius:8px}.nav{display:flex;gap:4px;align-items:center;margin-left:auto}.nav a{padding:8px 12px;border-radius:10px;color:var(--text-muted);font-size:14px;font-weight:600;cursor:pointer}.nav a.active,.nav a:hover{color:var(--text);background:var(--bg-soft)}.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:0 9px;border:1px solid var(--card-border);border-radius:10px;background:var(--bg-soft)}.nav-toggle span{display:block;height:2px;width:100%;background:var(--text);border-radius:2px;transition:transform .2s,opacity .2s}.nav-toggle[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle[aria-expanded=true] span:nth-child(2){opacity:0}.nav-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav-backdrop{display:none}@media(max-width:680px){.nav-toggle{display:flex}.nav-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;opacity:0;pointer-events:none;transition:opacity .2s;z-index:40}.nav-backdrop.show{opacity:1;pointer-events:auto}.nav{position:fixed;top:0;right:0;height:100dvh;width:240px;max-width:80vw;flex-direction:column;align-items:stretch;gap:6px;margin:0;padding:72px 16px 24px;background:var(--card);border-left:1px solid var(--card-border);box-shadow:-10px 0 30px #0006;transform:translate(100%);transition:transform .25s ease;z-index:50;overflow-y:auto;padding-top:calc(72px + env(safe-area-inset-top))}.nav.open{transform:translate(0)}.nav a{padding:12px 14px;font-size:16px;border-radius:10px}}.card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:16px}.card h2{margin:0 0 4px;font-size:18px}.card p.sub{margin:0 0 16px;color:var(--text-muted);font-size:14px}.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:10px 16px;font-size:14px;font-weight:600;background:var(--primary);color:#fff;transition:background .15s,opacity .15s}.btn:hover{background:var(--primary-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:var(--bg-soft);border-color:var(--card-border);color:var(--text)}.btn.secondary:hover{background:#273449}.btn.danger{background:transparent;border-color:var(--danger);color:#fca5a5}.btn.danger:hover{background:#ef44441f}.btn.small{padding:6px 10px;font-size:13px}.btn-row{display:flex;gap:8px;flex-wrap:wrap}.field{margin-bottom:14px}.field label{display:block;font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:6px}.input{width:100%;padding:11px 12px;border-radius:10px;border:1px solid var(--card-border);background:#0b1220;color:var(--text);font-size:15px}.input:focus{outline:none;border-color:var(--primary)}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700}.badge.ok{background:#22c55e26;color:#86efac}.badge.off{background:#94a3b826;color:var(--text-muted)}.badge.warn{background:#f59e0b26;color:#fcd34d}.badge.err{background:#ef444426;color:#fca5a5}.dot{width:8px;height:8px;border-radius:50%;background:currentColor}.list-item{border:1px solid var(--card-border);border-radius:12px;padding:14px;margin-bottom:10px;background:#0b1220}.list-item .row{display:flex;align-items:center;gap:10px;justify-content:space-between;flex-wrap:wrap}.muted{color:var(--text-muted);font-size:13px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;word-break:break-all}.url-box{display:flex;gap:8px;align-items:center;background:#0b1220;border:1px solid var(--card-border);border-radius:10px;padding:8px 10px;margin:8px 0}.url-box code{flex:1;font-size:12px;overflow-x:auto;white-space:nowrap}.center-screen{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:100%;max-width:400px}.toast-wrap{position:fixed;bottom:20px;left:50%;transform:translate(-50%);z-index:100;display:flex;flex-direction:column;gap:8px;width:calc(100% - 32px);max-width:420px}.toast{padding:12px 16px;border-radius:10px;font-size:14px;font-weight:600;box-shadow:var(--shadow);border:1px solid var(--card-border)}.toast.success{background:#052e16;color:#86efac;border-color:#14532d}.toast.error{background:#450a0a;color:#fca5a5;border-color:#7f1d1d}.toast.info{background:var(--card);color:var(--text)}.hero-steps{counter-reset:step;display:grid;gap:10px}.hero-steps .step{display:flex;gap:12px;align-items:flex-start}.hero-steps .step .num{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:#c4b5fd;display:grid;place-items:center;font-weight:700;font-size:13px}.checkbox-row{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--card-border)}.checkbox-row:last-child{border-bottom:none}.checkbox-row input{width:18px;height:18px;accent-color:var(--primary)}table.simple{width:100%;border-collapse:collapse;font-size:14px}table.simple th,table.simple td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--card-border)}table.simple th{color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em}.table-scroll{overflow-x:auto}.spinner{width:22px;height:22px;border:3px solid var(--card-border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen{min-height:100vh;display:grid;place-items:center}.stat{text-align:center}.stat .num{font-size:28px;font-weight:800}.stat .lbl{color:var(--text-muted);font-size:13px}.sound-options{display:flex;flex-direction:column;gap:8px}.sound-option{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--card-border);border-radius:10px;background:#0b1220;cursor:pointer;font-weight:600}.sound-option.sel{border-color:var(--primary);background:#7c3aed1a}.sound-option input{width:18px;height:18px;accent-color:var(--primary)}.callout{border-left:3px solid var(--primary);background:#7c3aed14;padding:12px 14px;border-radius:8px;font-size:14px;line-height:1.5}.callout ol{margin:8px 0 0;padding-left:20px}.callout li{margin-bottom:4px}