:root{--color-bg: #ffffff;--color-surface: #f7f7f8;--color-text: #111111;--color-text-muted: #555555;--color-border: #e5e7eb;--color-primary: #2563eb;--color-danger: #dc2626;--color-warning: #d97706;--color-success: #16a34a;--color-primary-muted: #60a5fa55;--radius-sm: 6px;--radius-md: 8px;--shadow-sm: 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 12px rgba(0,0,0,.08);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px}@media(prefers-color-scheme:dark){:root{--color-bg: #0b0c0f;--color-surface: #14161a;--color-text: #e6e7eb;--color-text-muted: #a1a1aa;--color-border: #26272b;--color-primary: #60a5fa;--color-danger: #f87171;--color-warning: #fbbf24;--color-success: #34d399;--color-primary-muted: #60a5fa55}}*,*:before,*:after{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,Arial,"Apple Color Emoji","Segoe UI Emoji";font-size:16px;line-height:1.5;background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,svg,video{display:block;max-width:100%;height:.8rem}a{color:inherit;text-decoration:none}button{font:inherit}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.container{max-width:960px;margin:0 auto;padding:0 var(--space-4)}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button,input[type=submit]{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:0 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);cursor:pointer;box-shadow:var(--shadow-sm);transition:box-shadow .15s ease,transform .05s ease}button:hover,button:focus-visible{box-shadow:var(--shadow-md)}button:active{transform:translateY(.5px) scale(.99);box-shadow:var(--shadow-sm)}button.primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}button:disabled,button:disabled:hover,button:disabled:focus-visible{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}