:root{--bg:#f6f4ef;--card:#fffdf8;--card-2:#f0ece2;--text:#202020;--muted:#6f6a60;--line:#2020201a;--accent:#2f5f6b;--accent-soft:#2f5f6b1a;--danger:#b3402f;--shadow:0 12px 36px #2c261d14;--radius:18px;--font:-apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#141414;--card:#1d1d1d;--card-2:#252525;--text:#eee;--muted:#aaa49b;--line:#ffffff1f;--accent:#86c6d2;--accent-soft:#86c6d21f;--danger:#e8836f;--shadow:none}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:radial-gradient(circle at top, var(--card-2), var(--bg) 42%) no-repeat;min-height:100dvh;color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;overscroll-behavior-y:none;background-attachment:fixed;margin:0}button{cursor:pointer;font-family:inherit}a{color:inherit;text-decoration:none}.wrap{width:min(100%,720px);padding:calc(env(safe-area-inset-top) + 18px) 16px calc(env(safe-area-inset-bottom) + 32px);margin:0 auto}.hero{justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:18px;display:flex}.hero h1{letter-spacing:-.03em;margin:0;font-size:clamp(26px,8vw,36px);line-height:1.1}.hero p{color:var(--muted);margin:6px 0 0;font-size:14px}.upload-btn{background:var(--accent);color:#fff;white-space:nowrap;box-shadow:var(--shadow);border:none;border-radius:999px;align-items:center;gap:6px;padding:11px 16px;font-size:15px;font-weight:600;transition:transform .12s,opacity .12s;display:inline-flex}@media (prefers-color-scheme:dark){.upload-btn{color:#10242a}}.upload-btn:active{transform:scale(.96)}.dropzone{border:1.5px dashed var(--line);border-radius:var(--radius);text-align:center;color:var(--muted);background:var(--card);margin-top:8px;padding:40px 20px;transition:border-color .15s,background .15s}.dropzone.dragging{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.dropzone strong{color:var(--text)}.doc-list{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.doc-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);align-items:center;gap:14px;padding:16px;transition:transform .12s;display:flex;position:relative}.doc-card:active{transform:scale(.99)}.doc-card .icon{background:var(--accent-soft);width:44px;height:44px;color:var(--accent);border-radius:12px;flex:none;place-items:center;font-size:20px;display:grid}.doc-card .body{flex:1;min-width:0}.doc-card .title{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:16px;font-weight:600;line-height:1.35;display:-webkit-box;overflow:hidden}.doc-card .sub{color:var(--muted);margin:4px 0 0;font-size:12.5px}.doc-card .menu-btn{width:36px;height:36px;color:var(--muted);background:0 0;border:none;border-radius:10px;flex:none;font-size:20px;line-height:1}.doc-card .menu-btn:active{background:var(--card-2)}.menu{z-index:5;border:1px solid var(--line);background:var(--card);border-radius:12px;min-width:140px;padding:6px;position:absolute;top:56px;right:12px;box-shadow:0 10px 30px #0000002e}.menu button{text-align:left;width:100%;color:var(--text);background:0 0;border:none;border-radius:8px;padding:10px 12px;font-size:14px;display:block}.menu button:active{background:var(--card-2)}.menu button.danger{color:var(--danger)}.menu-confirm{color:var(--muted);margin:0;padding:8px 12px 6px;font-size:12.5px}.toast{left:50%;bottom:calc(env(safe-area-inset-bottom) + 20px);z-index:50;color:#fff;background:#141414eb;border-radius:999px;padding:10px 16px;font-size:14px;position:fixed;transform:translate(-50%);box-shadow:0 8px 24px #00000040}.modal-overlay{z-index:60;padding:16px;padding-bottom:calc(env(safe-area-inset-bottom) + 16px);background:#0006;justify-content:center;align-items:flex-end;animation:.15s fade;display:flex;position:fixed;inset:0}@media (min-width:560px){.modal-overlay{align-items:center}}.modal{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);width:min(100%,460px);padding:20px;animation:.2s rise;box-shadow:0 18px 50px #0000004d}.modal h2{letter-spacing:-.02em;margin:0;font-size:19px}.modal-hint{color:var(--muted);margin:8px 0 14px;font-size:13.5px;line-height:1.6}.url-input{border:1px solid var(--line);background:var(--bg);width:100%;color:var(--text);border-radius:12px;padding:13px 14px;font-family:inherit;font-size:16px}.url-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.url-error{color:var(--danger);margin:10px 0 0;font-size:13px}.modal-actions{justify-content:flex-end;gap:10px;margin-top:18px;display:flex}.btn-ghost,.btn-primary{border:none;border-radius:999px;padding:11px 18px;font-size:15px;font-weight:600}.btn-ghost{background:var(--card-2);color:var(--text)}.btn-primary{background:var(--accent);color:#fff}@media (prefers-color-scheme:dark){.btn-primary{color:#10242a}}.btn-primary:disabled,.btn-ghost:disabled{opacity:.5}.btn-ghost:active,.btn-primary:active{transform:scale(.97)}@keyframes fade{0%{opacity:0}}@keyframes rise{0%{opacity:0;transform:translateY(12px)}}.reader-root{background:var(--bg);flex-direction:column;display:flex;position:fixed;inset:0}.reader-bar{padding:calc(env(safe-area-inset-top) + 8px) 12px 8px;background:color-mix(in srgb, var(--card) 88%, transparent);-webkit-backdrop-filter:saturate(160%)blur(12px);border-bottom:1px solid var(--line);flex:none;align-items:center;gap:10px;display:flex}.reader-bar .back{background:var(--card-2);color:var(--text);border:none;border-radius:999px;flex:none;align-items:center;gap:4px;padding:8px 12px 8px 8px;font-size:14px;font-weight:600;display:inline-flex}.reader-bar .doc-title{white-space:nowrap;text-overflow:ellipsis;min-width:0;color:var(--muted);flex:1;font-size:14px;font-weight:600;overflow:hidden}.reader-frame{background:var(--bg);border:none;flex:1;width:100%}.centered{text-align:center;min-height:100dvh;color:var(--muted);place-items:center;padding:24px;display:grid}.spinner{border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;width:28px;height:28px;margin:0 auto 12px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}