:root,[data-theme=dark]{--bg-base: #080c14;--bg-surface: #0f1521;--bg-card: #141c2b;--bg-hover: #1a2436;--bg-input: #0b1019;--border: rgba(255,255,255,.07);--border-active: rgba(96,165,250,.35);--text: #e2e8f0;--text-muted: #8896ab;--text-dim: #5a6a82;--primary: #60a5fa;--primary-hover: #3b82f6;--primary-bg: rgba(59,130,246,.12);--accent: #34d399;--danger: #f87171;--danger-bg: rgba(248,113,113,.12);--radius: 10px;--radius-sm: 6px;--shadow: 0 4px 24px rgba(0,0,0,.35)}[data-theme=light]{--bg-base: #f1f5f9;--bg-surface: #ffffff;--bg-card: #f8fafc;--bg-hover: #e2e8f0;--bg-input: #f1f5f9;--border: rgba(0,0,0,.08);--border-active: rgba(59,130,246,.45);--text: #1e293b;--text-muted: #64748b;--text-dim: #94a3b8;--primary: #3b82f6;--primary-hover: #2563eb;--primary-bg: rgba(59,130,246,.08);--accent: #10b981;--danger: #ef4444;--danger-bg: rgba(239,68,68,.08);--shadow: 0 4px 24px rgba(0,0,0,.08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg-base);color:var(--text);height:100vh;display:flex;flex-direction:column;overflow:hidden}.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:52px;background:linear-gradient(180deg,#0f1521f2,#080c14fa);border-bottom:1px solid var(--border);z-index:10;gap:16px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}[data-theme=light] .topbar{background:linear-gradient(180deg,#fffffffa,#f1f5f9fa)}.topbar-left{display:flex;align-items:center;gap:8px;min-width:140px}.brand-icon{font-size:18px;color:var(--primary)}.brand-text{font-weight:700;font-size:14px;color:var(--text);letter-spacing:.3px}.topbar-center{flex:1;display:flex;justify-content:center}.project-name-wrap{display:flex;align-items:center;gap:8px;position:relative}.session-name-input{background:transparent;border:1px solid transparent;color:var(--text);padding:5px 10px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;width:240px;text-align:center;outline:none;transition:all .2s}.session-name-input:hover{border-color:var(--border)}.session-name-input:focus{border-color:var(--border-active);background:var(--bg-input)}.dirty-dot{color:#f59e0b;font-size:10px;animation:pulse-dot 2s ease-in-out infinite}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.3}}.topbar-right{display:flex;align-items:center;gap:14px;min-width:340px;justify-content:flex-end}.lang-pills{display:flex;gap:2px;background:var(--bg-input);border-radius:8px;padding:2px;border:1px solid var(--border)}.lang-pill{background:transparent;border:none;color:var(--text-dim);padding:5px 10px;border-radius:6px;font-size:12px;font-weight:600;cursor:pointer;transition:all .15s}.lang-pill:hover{color:var(--text)}.lang-pill.active{background:var(--primary-bg);color:var(--primary);box-shadow:0 1px 3px #0003}.topbar-actions{display:flex;gap:4px}.status-badge{display:flex;align-items:center;gap:6px;padding:4px 10px 4px 8px;background:#34d39914;border:1px solid rgba(52,211,153,.15);border-radius:999px;font-size:12px;white-space:nowrap}.status-dot{width:7px;height:7px;border-radius:50%;background:#34d399;flex-shrink:0}.status-dot.rendering{background:#f59e0b;animation:pulse-dot 1s ease-in-out infinite}.status-dot.error{background:#f87171}.status-label{color:#34d399;font-weight:500}.status-badge.error{background:#f8717114;border-color:#f8717126}.status-badge.error .status-label{color:#f87171}.status-badge.rendering{background:#f59e0b14;border-color:#f59e0b26}.status-badge.rendering .status-label{color:#f59e0b}.session-name-input:focus{border-color:var(--border-active)}.status{color:var(--text-muted);font-size:13px}.studio-body{display:flex;flex:1;overflow:hidden}.sidebar{background:var(--bg-surface);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto}.sidebar-right{border-right:none;border-left:1px solid var(--border)}.sidebar-left,.sidebar-right{width:300px;min-width:260px}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--border)}.sidebar-header h3{font-size:14px;font-weight:600}.sidebar-section{padding:14px 16px;border-bottom:1px solid var(--border)}.sidebar-section label{margin-bottom:10px}.sidebar-section .color-pick-wrap{margin-top:2px}.sidebar-section h3{font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}.sidebar-footer{padding:12px 14px;margin-top:auto;border-top:1px solid var(--border)}.photo-list{display:flex;flex-direction:column;gap:4px;padding:8px;flex:1;overflow-y:auto;min-height:0}.photo-item{display:flex;align-items:center;gap:10px;padding:8px;border-radius:var(--radius-sm);cursor:pointer;transition:background 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h2{margin-bottom:12px;font-size:16px}.session-list{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}.session-list-item{display:flex;align-items:center;justify-content:space-between;padding:10px;border-radius:var(--radius-sm);cursor:pointer;border:1px solid var(--border);transition:background .12s}.session-list-item:hover{background:var(--bg-hover)}.session-list-item .s-name{font-weight:600}.session-list-item .s-meta{font-size:11px;color:var(--text-dim)}.session-list-item .s-del{color:var(--danger);cursor:pointer;padding:4px}.session-list-item .s-del:hover{opacity:1}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff24}.full-width{width:100%}.theme-btn{background:var(--bg-input);border:1px solid var(--border);color:var(--text);width:34px;height:34px;border-radius:50%;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.theme-btn:hover{border-color:var(--border-active)}.toggle-wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px 0}.toggle-wrap .toggle-label{font-size:13px;font-weight:500;color:var(--text);cursor:pointer;-webkit-user-select:none;user-select:none}.toggle-switch{position:relative;width:44px;height:24px;flex-shrink:0}.toggle-switch input{opacity:0;width:0;height:0}.toggle-switch .slider{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--border);border-radius:24px;cursor:pointer;transition:background .25s}.toggle-switch .slider:before{content:"";position:absolute;height:18px;width:18px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:transform .25s;box-shadow:0 1px 3px #0003}.toggle-switch input:checked+.slider{background:var(--primary)}.toggle-switch input:checked+.slider:before{transform:translate(20px)}.color-pick-wrap{display:flex;align-items:center;gap:10px}.color-pick-swatch{width:32px;height:32px;border-radius:8px;border:2px solid var(--border);cursor:pointer;transition:border-color .15s;flex-shrink:0}.color-pick-swatch:hover{border-color:var(--border-active)}.color-pick-value{font-size:13px;font-family:monospace;color:var(--text-muted);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);padding:5px 8px;flex:1;min-width:70px}.color-pick-input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}