:root{--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", monospace;--bg-primary: #0a0d14;--bg-secondary: #111622;--bg-tertiary: #182030;--bg-card: rgba(17, 22, 34, .85);--bg-card-hover: rgba(24, 32, 48, .95);--bg-input: #0f1420;--border-color: rgba(255, 255, 255, .08);--border-focus: #6366f1;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-primary: #6366f1;--accent-hover: #4f46e5;--accent-glow: rgba(99, 102, 241, .25);--status-live: #10b981;--status-live-bg: rgba(16, 185, 129, .12);--status-live-border: rgba(16, 185, 129, .3);--status-connecting: #f59e0b;--status-connecting-bg: rgba(245, 158, 11, .12);--status-connecting-border: rgba(245, 158, 11, .3);--status-error: #ef4444;--status-error-bg: rgba(239, 68, 68, .12);--status-error-border: rgba(239, 68, 68, .3);--status-offline: #64748b;--status-offline-bg: rgba(100, 116, 139, .12);--status-offline-border: rgba(100, 116, 139, .25);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .2), 0 2px 4px -2px rgba(0, 0, 0, .2);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -4px rgba(0, 0, 0, .3);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px}[data-theme=light]{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--bg-card: rgba(255, 255, 255, .95);--bg-card-hover: #f8fafc;--bg-input: #ffffff;--border-color: #e2e8f0;--border-focus: #4f46e5;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--accent-primary: #4f46e5;--accent-hover: #4338ca;--accent-glow: rgba(79, 70, 229, .15);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .08);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-container{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;max-width:1380px;width:100%;margin:0 auto;padding:24px 20px 48px}.navbar{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.nav-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text-primary)}.brand-icon{width:34px;height:34px;border-radius:var(--radius-sm);background:linear-gradient(135deg,#6366f1,#8b5cf6);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 0 16px var(--accent-glow)}.brand-name{font-size:1.15rem;font-weight:700;letter-spacing:-.02em}.brand-tag{font-size:.72rem;font-weight:600;padding:2px 6px;border-radius:4px;background:#6366f126;color:#818cf8}.nav-links{display:flex;align-items:center;gap:6px}.nav-item{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--radius-sm);font-size:.88rem;font-weight:500;color:var(--text-secondary);text-decoration:none;background:transparent;border:none;cursor:pointer;transition:all .15s ease}.nav-item:hover{color:var(--text-primary);background-color:var(--bg-tertiary)}.nav-item.active{color:var(--text-primary);background-color:var(--bg-tertiary);font-weight:600}.nav-actions{display:flex;align-items:center;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 14px;font-size:.86rem;font-weight:600;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:all .15s ease;text-decoration:none}.btn-primary{background-color:var(--accent-primary);color:#fff}.btn-primary:hover{background-color:var(--accent-hover);box-shadow:0 0 12px var(--accent-glow)}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover{background-color:var(--border-color)}.btn-danger{background-color:var(--status-error-bg);color:var(--status-error);border-color:var(--status-error-border)}.btn-danger:hover{background-color:var(--status-error);color:#fff}.btn-success{background-color:var(--status-live-bg);color:var(--status-live);border-color:var(--status-live-border)}.btn-success:hover{background-color:var(--status-live);color:#fff}.btn-sm{padding:5px 10px;font-size:.8rem}.btn-lg{padding:12px 20px;font-size:1rem}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:9999px;font-size:.76rem;font-weight:600;letter-spacing:.02em;text-transform:uppercase}.badge-live{background-color:var(--status-live-bg);color:var(--status-live);border:1px solid var(--status-live-border)}.badge-connecting{background-color:var(--status-connecting-bg);color:var(--status-connecting);border:1px solid var(--status-connecting-border)}.badge-error{background-color:var(--status-error-bg);color:var(--status-error);border:1px solid var(--status-error-border)}.badge-offline{background-color:var(--status-offline-bg);color:var(--status-offline);border:1px solid var(--status-offline-border)}.pulse-dot{width:7px;height:7px;border-radius:50%;background-color:currentColor;display:inline-block;animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.85)}}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-md);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:8px}.live-preview-card{display:flex;flex-direction:column;gap:16px}.preview-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,.52fr);gap:16px;align-items:start}.preview-frame{position:relative;height:clamp(240px,32vw,420px);overflow:hidden;border:1px solid var(--border-color);border-radius:var(--radius-md);background:#05070b;box-shadow:inset 0 0 0 1px #ffffff05}.preview-frame-horizontal{border-top:3px solid #3b82f6}.preview-frame-vertical{border-top:3px solid #a855f7}.preview-video{width:100%;height:100%;display:block;object-fit:contain;opacity:0;transition:opacity .2s ease}.preview-video-visible{opacity:1}.preview-frame-header{position:absolute;inset:0 0 auto 0;display:flex;align-items:center;justify-content:space-between;padding:10px 12px;color:#f8fafc;font-size:.78rem;font-weight:700;background:linear-gradient(180deg,rgba(0,0,0,.72),transparent);pointer-events:none}.preview-state-dot{width:8px;height:8px;border-radius:50%;background:var(--text-muted)}.preview-state-dot-live{background:var(--status-live);box-shadow:0 0 10px var(--status-live)}.preview-frame-message{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:20px;color:var(--text-secondary);text-align:center;font-size:.86rem;background:radial-gradient(circle at center,rgba(99,102,241,.08),transparent 58%)}.preview-spinner{animation:preview-spin 1s linear infinite}@keyframes preview-spin{to{transform:rotate(360deg)}}@media(max-width:720px){.preview-grid{grid-template-columns:1fr}.preview-frame{height:auto;aspect-ratio:16 / 9}.preview-frame-vertical{width:min(100%,280px);aspect-ratio:9 / 16;align-self:center}}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}@media(max-width:992px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.nav-links{display:none}}.code-box{font-family:var(--font-mono);font-size:.84rem;background-color:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:10px 14px;display:flex;align-items:center;justify-content:space-between;gap:12px;word-break:break-all}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.84rem;font-weight:500;margin-bottom:6px;color:var(--text-secondary)}.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;background-color:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:.9rem;outline:none;transition:border-color .15s ease}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--border-focus)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#000000b3;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);max-width:540px;width:100%;padding:24px;box-shadow:var(--shadow-lg)}