:root{--background: #f8fafc;--surface: #ffffff;--surface-muted: #f1f5f9;--text: #172033;--text-muted: #64748b;--border: #cbd5e1;--accent: #0f766e;--accent-hover: #115e59;--header-background: rgba(255, 255, 255, .96);--shadow: rgba(23, 32, 51, .05);--feedback-success-text: #116149;--feedback-success-background: #e9f8f1;--feedback-error-text: #8a1c13;--feedback-error-background: #fff0ee;--max-width: 1120px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:var(--background);font-synthesis:none;text-rendering:optimizeLegibility}:root[data-theme=dark]{--background: #0b1120;--surface: #111a2e;--surface-muted: #0f172a;--text: #e5edf7;--text-muted: #a8b5c7;--border: #334155;--accent: #2dd4bf;--accent-hover: #5eead4;--header-background: rgba(11, 17, 32, .94);--shadow: rgba(0, 0, 0, .28);--feedback-success-text: #a7f3d0;--feedback-success-background: #153d35;--feedback-error-text: #fecaca;--feedback-error-background: 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