:root[data-theme=light]{--bg-primary:#fff8f0;--bg-card:#fff;--bg-nav:#fff;--color-accent:#e07b3c;--color-accent-hover:#d35400;--color-accent-light:#fff0e6;--color-text:#2c3e50;--color-text-secondary:#666;--color-text-muted:#999;--color-success:#27ae60;--color-success-bg:#e8f5e9;--color-danger:#e74c3c;--color-danger-bg:#ffeaea;--color-border:#e8d5c4;--color-input-bg:#faf5f0;--shadow-card:0 4px 20px #e07b3c1f;--radius-card:20px;--radius-btn:20px;--radius-input:12px}:root[data-theme=dark]{--bg-primary:#1a1a2e;--bg-card:#16213e;--bg-nav:#16213e;--color-accent:#ff9f43;--color-accent-hover:#ffb366;--color-accent-light:#3d1f00;--color-text:#e8e8e8;--color-text-secondary:#bbb;--color-text-muted:#777;--color-success:#4caf50;--color-success-bg:#0a3622;--color-danger:#e74c3c;--color-danger-bg:#3d1515;--color-border:#2a2a4a;--color-input-bg:#1a1a2e;--shadow-card:0 4px 20px #0000004d;--radius-card:20px;--radius-btn:20px;--radius-input:12px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);color:var(--color-text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;transition:background .3s,color .3s}