:root{--bg: #f3f5f9;--surface: #ffffff;--text: #1d2433;--text-muted: #626b7f;--border: #e1e5ee;--primary: #e3350d;--radius: 1.25rem;--shadow-sm: 0 2px 8px rgb(15 23 42 / .06);--shadow-lg: 0 14px 30px rgb(15 23 42 / .16);color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #11151f;--surface: #1b2130;--text: #e8ecf4;--text-muted: #98a1b5;--border: #2b3346;--primary: #ff5a36;--shadow-sm: 0 2px 8px rgb(0 0 0 / .3);--shadow-lg: 0 14px 30px rgb(0 0 0 / .45)}}*,*:before,*:after{box-sizing:border-box}html,body{margin:0}body{min-height:100vh;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.35rem;padding:.6rem 1.1rem;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text);font:inherit;font-weight:600;text-decoration:none;white-space:nowrap;cursor:pointer;transition:transform .15s ease,background .2s ease,box-shadow .2s ease}.btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-sm)}.btn:active:not(:disabled){transform:translateY(0) scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{border-color:var(--primary);background:var(--primary);color:#fff}.btn.danger{border-color:#c62828;color:#c62828}.btn.small{padding:.35rem .8rem;font-size:.85rem}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}