:root{--brand-primary: #1a4fa0;--brand-primary-light: #2563eb;--brand-primary-bg: #eef4ff;--brand-accent: #c08030;--brand-accent-light: #fef7e6;--bg-body: #f0f2f6;--bg-surface: #ffffff;--bg-surface-alt: #f8f9fb;--bg-code: #1a1e2e;--ink: #1a1e2e;--ink-light: #3a4050;--ink-muted: #6b7280;--ink-white: #ffffff;--border: #d1d5db;--border-light: #e5e7eb;--border-focus: var(--brand-primary-light);--green: #0d7a3a;--green-bg: #e6f7ec;--red: #dc2626;--red-bg: #fef2f2;--amber: #d97706;--amber-bg: #fffbeb;--purple: #7c3aed;--teal: #0d9488;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow: 0 2px 8px rgba(0,0,0,.08);--shadow-lg: 0 8px 24px rgba(0,0,0,.12);--header-height: 56px;--footer-height: 48px;--radius: 10px;--radius-sm: 6px;--radius-lg: 16px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:15px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--ink);background:var(--bg-body);min-height:100vh;display:flex;flex-direction:column}a{color:var(--brand-primary-light);text-decoration:none}a:hover{text-decoration:underline}.spin{display:inline-block;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-card{background:var(--bg-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:28px 32px;max-width:400px;width:90%;text-align:center}.modal-card h3{font-size:1.1rem;font-weight:700;margin-bottom:10px}.modal-card p{font-size:.88rem;color:var(--ink-light);margin-bottom:20px;line-height:1.5}.modal-actions{display:flex;gap:10px;justify-content:center}.modal-actions-col{flex-direction:column;align-items:stretch}.btn-primary{padding:9px 22px;background:var(--brand-primary-light);color:var(--ink-white);border:none;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;cursor:pointer;transition:background .15s}.btn-primary:hover{background:var(--brand-primary)}.btn-secondary{padding:9px 22px;background:var(--bg-surface-alt);color:var(--ink-light);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;cursor:pointer;transition:background .15s}.btn-secondary:hover{background:var(--border-light)}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--ink-muted)}.page-footer{height:var(--footer-height);display:flex;flex-direction:column;justify-content:center;align-items:center;background:#1e293b;padding:0 24px;flex-shrink:0}.footer-quote{font-family:Crimson Pro,Georgia,serif;font-size:.82rem;font-style:italic;color:#ffffffa6;margin:0}.footer-attr{font-size:.62rem;color:#ffffff59;letter-spacing:.12em;text-transform:uppercase;margin:0}