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var(--transition)}.copy-btn:hover{background:var(--color-surface-2);border-color:var(--color-border-strong);color:var(--color-text)}.copy-btn.copied{background:var(--color-success-bg);color:var(--color-success-text);border-color:transparent}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:48px 16px;color:var(--color-text-muted);text-align:center}.empty-icon{opacity:.3}.empty-title{font-size:.9375rem;font-weight:600;color:var(--color-text-secondary)}.empty-subtitle{font-size:.875rem;color:var(--color-text-muted);max-width:240px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:480px){.start-card,.error-card{padding:36px 20px}.toolbar{flex-direction:column;align-items:flex-start}.toolbar-actions{width:100%}.toolbar-btn{flex:1;text-align:center;justify-content:center}}@media(prefers-color-scheme:dark){:root{--color-bg: #0f0f0f;--color-surface: #1a1a1a;--color-surface-2: #252525;--color-border: #2a2a2a;--color-border-strong: #3d3d3d;--color-text: #f0f0f0;--color-text-secondary: #a0a0a0;--color-text-muted: #666666;--color-accent: #f0f0f0;--color-accent-text: #0f0f0f;--color-accent-hover: #cccccc;--color-badge-bg: #f0f0f0;--color-badge-text: #0f0f0f;--color-success-bg: rgba(22, 163, 74, .15);--color-success-text: #4ade80;--color-danger: #f87171;--color-danger-bg: rgba(220, 38, 38, .15);--color-danger-text: #fca5a5}}