:root{--lc-primary: #1e293b;--lc-primary-light: #334155;--lc-primary-lighter: #475569;--lc-surface: #f8fafc;--lc-surface-card: #fff;--lc-text: #0f172a;--lc-text-muted: #64748b;--lc-text-muted-alt: #94a3b8;--lc-border: #e2e8f0;--lc-accent: #475569;--lc-accent-link: #2563eb;--lc-error: #b91c1c;--lc-error-bg: #fff1f2;--lc-error-border: #fecaca;--lc-success: #166534;--lc-success-bg: #dcfce7;--lc-spacing-xs: .25rem;--lc-spacing-sm: .5rem;--lc-spacing-md: .75rem;--lc-spacing-lg: 1rem;--lc-spacing-xl: 1.5rem;--lc-font-sans: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;--lc-radius: 6px;--lc-radius-lg: 8px;--lc-shadow: 0 4px 12px rgba(0, 0, 0, .08)}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:var(--lc-font-sans);color:var(--lc-text);background:var(--lc-surface);-webkit-font-smoothing:antialiased}.btn-primary{padding:.5rem .9rem;border-radius:var(--lc-radius);border:none;font-weight:600;cursor:pointer;background:var(--lc-primary);color:#f1f5f9;font-size:.9375rem}.btn-primary:hover{background:var(--lc-primary-light)}.btn-secondary{padding:.5rem .9rem;border-radius:var(--lc-radius);border:1px solid var(--lc-border);font-weight:600;cursor:pointer;background:var(--lc-surface-card);color:var(--lc-text);font-size:.9375rem;text-decoration:none;display:inline-flex;align-items:center}.btn-secondary:hover{background:var(--lc-surface)}.btn-danger{padding:.5rem .9rem;border-radius:var(--lc-radius);border:none;font-weight:600;cursor:pointer;background:var(--lc-error);color:#fff;font-size:.9375rem}.btn-danger:hover{filter:brightness(1.1)}.btn-danger:disabled{opacity:.7;cursor:not-allowed}.lc-card{background:var(--lc-surface-card);border:1px solid var(--lc-border);border-radius:var(--lc-radius-lg);padding:var(--lc-spacing-lg)}.lc-muted{color:var(--lc-text-muted);font-size:.9rem}.lc-link{color:var(--lc-accent-link);text-decoration:none}.lc-link:hover{text-decoration:underline}