*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #1a1a2e;--surface: #16213e;--surface-hover: #1a2744;--primary: #6c63ff;--primary-hover: #5a52d5;--text: #e4e4e7;--text-muted: #9ca3af;--danger: #ef4444;--border: #2d3748;--radius: 12px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:16px}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-container{display:flex;align-items:center;justify-content:center;height:100vh;padding:20px}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:48px 40px;text-align:center;max-width:400px;width:100%}.login-icon{font-size:56px;margin-bottom:16px}.login-card h1{font-size:28px;font-weight:700;margin-bottom:8px}.login-subtitle{color:var(--text-muted);margin-bottom:32px;font-size:15px}.google-btn{display:inline-flex;align-items:center;gap:12px;padding:12px 28px;background:#fff;color:#333;border:none;border-radius:8px;font-size:15px;font-weight:500;cursor:pointer;transition:box-shadow .2s}.google-btn:hover{box-shadow:0 2px 12px #0000004d}.google-btn:disabled{opacity:.6;cursor:not-allowed}.error-msg{color:var(--danger);margin-top:16px;font-size:14px}.dashboard{min-height:100vh}.dashboard-header{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;background:var(--surface);border-bottom:1px solid var(--border)}.header-left{display:flex;align-items:center;gap:12px}.header-icon{font-size:28px}.dashboard-header h1{font-size:20px;font-weight:600}.header-right{display:flex;align-items:center;gap:12px}.user-avatar{width:32px;height:32px;border-radius:50%}.user-email{color:var(--text-muted);font-size:14px}.btn-secondary{padding:8px 16px;background:transparent;color:var(--text-muted);border:1px solid var(--border);border-radius:8px;font-size:13px;cursor:pointer;transition:all .2s}.btn-secondary:hover{background:var(--surface-hover);color:var(--text)}.dashboard-main{max-width:1000px;margin:0 auto;padding:32px}.dashboard-actions{margin-bottom:32px}.btn-primary{padding:12px 24px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:500;cursor:pointer;transition:background .2s}.btn-primary:hover{background:var(--primary-hover)}.empty-state{text-align:center;padding:80px 0}.empty-icon{font-size:64px;margin-bottom:16px}.empty-state h2{font-size:22px;margin-bottom:8px}.empty-state p{color:var(--text-muted)}.scene-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.scene-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;cursor:pointer;transition:all .2s;display:flex;align-items:flex-start;justify-content:space-between}.scene-card:hover{border-color:var(--primary);transform:translateY(-2px)}.scene-card-body h3{font-size:16px;font-weight:600;margin-bottom:6px}.scene-date{color:var(--text-muted);font-size:13px}.btn-delete{background:none;border:none;font-size:18px;cursor:pointer;padding:4px;opacity:.5;transition:opacity .2s}.btn-delete:hover{opacity:1}.editor{height:100vh;display:flex;flex-direction:column}.editor-toolbar{display:flex;align-items:center;padding:8px 16px;background:var(--surface);border-bottom:1px solid var(--border);gap:16px;z-index:10;min-height:48px}.btn-back{padding:6px 14px;background:transparent;color:var(--text);border:1px solid var(--border);border-radius:6px;font-size:14px;cursor:pointer;transition:all .2s;white-space:nowrap}.btn-back:hover{background:var(--surface-hover)}.scene-title{font-weight:600;font-size:15px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.save-status{color:var(--text-muted);font-size:13px;white-space:nowrap}.editor-canvas{flex:1;position:relative;overflow:hidden}.editor-canvas .excalidraw{height:100%}.editor-canvas .excalidraw-container{height:100%!important}