:root{--canvas:#f5f5f7;--surface:#fff;--ink:#1d1d1f;--secondary:#6e6e73;--hairline:#d2d2d7;--accent:#06c;--perspective:#8a3f35;--success:#356454;--error:#c9342c;--font-sans:-apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;--ease-apple:cubic-bezier(.25, .1, .25, 1);--radius-control:999px;--radius-field:14px;--radius-card:24px;--shadow:0 20px 50px #0000001a, 0 2px 10px #0000000a;--shadow-card:0 1px 2px #00000008, 0 8px 28px #0000000b}
*{box-sizing:border-box}html{background:var(--canvas);color:var(--ink);scroll-behavior:smooth}body{min-height:100vh;font-family:var(--font-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-size:16px}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer;min-height:44px}button:disabled{cursor:not-allowed;opacity:.42}:focus-visible{outline-offset:3px;outline:3px solid #007aff73}::selection{background:#007aff38}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.container{width:min(100% - 64px,1280px);margin-inline:auto}.eyebrow{letter-spacing:.1em;text-transform:uppercase;font-size:11px;font-weight:650;line-height:1.4}.muted{color:var(--secondary)}.accent{color:var(--accent)}.hairline{border:0;border-top:1px solid var(--hairline);margin:0}.button{border-radius:var(--radius-control);letter-spacing:-.005em;min-height:48px;transition:transform .15s var(--ease-apple), background .2s var(--ease-apple), color .2s var(--ease-apple), box-shadow .2s var(--ease-apple);border:0;justify-content:center;align-items:center;gap:9px;padding:12px 22px;font-size:14px;font-weight:550;display:inline-flex}.button:not(:disabled):hover{transform:scale(1.015)}.button:not(:disabled):active{transform:scale(.975)}.button-primary{color:#fff;background:var(--accent)}.button-primary:hover:not(:disabled){background:#005bb8}.button-secondary{color:var(--ink);background:#e8e8ed}.button-secondary:hover:not(:disabled){background:#dddde3}.button-ghost{color:var(--accent);background:0 0;padding-inline:10px}.button-ghost:hover:not(:disabled){background:#007aff12}.button-danger{color:#fff;background:var(--error)}.icon{flex:none;width:18px;height:18px}.badge{color:#5e5e63;white-space:nowrap;background:#e8e8ed;border:1px solid #0000;border-radius:999px;align-items:center;gap:6px;padding:5px 10px;font-size:11px;font-weight:550;line-height:1.2;display:inline-flex}.badge-dot{background:currentColor;border-radius:50%;width:5px;height:5px}.badge-real,.badge-saved{color:var(--success);background:#e6f1eb}.badge-demo{color:#6b5300;background:#fff4d6;border-color:#e5d9a8}.badge-outdated,.badge-error{color:var(--error);background:#fdecea}.badge-hypothesis{color:#6b5300;background:#fff4d6;border:0}.site-header{z-index:50;background:var(--canvas);border-bottom:1px solid var(--hairline);justify-content:space-between;align-items:center;gap:20px;width:100%;max-width:none;min-height:72px;padding-inline:max(32px,50% - 640px);display:flex;position:sticky;top:0}.brand{letter-spacing:.13em;white-space:nowrap;align-items:center;gap:11px;font-size:12px;font-weight:700;display:inline-flex}.brand-mark{background:var(--perspective);border-radius:2px;width:2px;height:25px;display:inline-block}.header-actions{align-items:center;gap:10px;display:flex}.locale-switch{color:var(--ink);background:0 0;border:0;border-radius:999px;min-width:48px;padding:8px;font-size:12px;font-weight:550}.locale-switch:hover{background:#e8e8ed}.field{gap:10px;display:grid}.field-label{font-size:13px;font-weight:600}.textarea{resize:vertical;background:var(--surface);border:1px solid var(--hairline);border-radius:var(--radius-field);width:100%;min-height:176px;color:var(--ink);transition:border .2s var(--ease-apple), box-shadow .2s var(--ease-apple), background .2s var(--ease-apple);padding:20px;font-size:17px;line-height:1.6}.textarea:hover{border-color:#aeaeb2}.textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 4px #007aff24}.textarea::placeholder{color:#6e6e73}.textarea[aria-invalid=true]{border-color:var(--error)}.field-meta{color:var(--secondary);justify-content:space-between;gap:16px;font-size:12px;display:flex}.error-text{color:var(--error);font-size:14px;line-height:1.5}.notice{background:var(--surface);border:1px solid #0000;border-radius:16px;padding:18px 20px;font-size:14px;line-height:1.6}.notice-error{color:var(--error);background:#fff4f3;border-color:#f2c7c3}.notice-demo{color:#665000;background:#fff8e5;border-color:#e5d9a8}.actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.stack{gap:24px;display:grid}.perspective-line{background:var(--perspective);border-radius:2px;flex:none;width:2px}.modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:fade-in .2s var(--ease-apple);background:#00000052;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.modal{width:min(100%,560px);max-height:min(90vh,800px);box-shadow:var(--shadow);background:#fffffff5;border-radius:24px;padding:32px;overflow:auto}.modal h2{letter-spacing:-.025em;margin:12px 0;font-size:28px;line-height:1.2}.modal p{color:var(--secondary);line-height:1.6}.toast{z-index:120;color:#f5f5f7;max-width:calc(100vw - 48px);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);animation:fade-in .18s var(--ease-apple);background:#1d1d1ff0;border:1px solid #ffffff1f;border-radius:14px;padding:14px 18px;font-size:14px;position:fixed;bottom:24px;right:24px}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes rise-in{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{50%{opacity:.55}}.loading-pulse{animation:pulse 1.8s var(--ease-apple) infinite}@media (max-width:767px){.container{width:min(100% - 40px,1280px)}.site-header{min-height:64px;padding-inline:20px}.brand{gap:9px;font-size:10px}.header-actions{gap:3px}.header-actions .badge{padding:5px 7px}.hide-mobile{display:none!important}.modal{padding:24px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (prefers-reduced-transparency:reduce){.site-header,.modal,.toast{-webkit-backdrop-filter:none;backdrop-filter:none;background:var(--surface)}}