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span{display:block;height:100%;background:var(--brand)}.viewer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:30;background:#1b1d1c;color:#fff;display:flex;flex-direction:column;animation:fade-in .15s}.viewer-top,.viewer-bottom{display:flex;align-items:center;gap:8px;padding:8px 10px;background:#00000059}.viewer-top{padding-top:calc(8px + env(safe-area-inset-top))}.viewer-bottom{padding-bottom:calc(8px + env(safe-area-inset-bottom));justify-content:space-between}.viewer-top strong{flex:1;white-space:nowrap}.viewer button{background:#ffffff24!important;color:#fff!important;font-weight:600}.viewer-bottom button{flex:1;padding:12px}.viewer-img{flex:1;overflow:auto;display:flex;justify-content:center;align-items:flex-start;touch-action:pan-y pinch-zoom}.viewer-img img{width:100%;max-width:820px;height:auto;background:#fff;display:block}.viewer-msg{margin:auto;padding:30px;text-align:center;color:#ccc}.library{max-width:760px;margin:0 auto;padding:16px 12px 60px}.book-card{display:flex;gap:14px;align-items:center;width:100%;text-align:left;background:var(--surface)!important;color:var(--text)!important;border:1px solid var(--border);border-radius:16px;padding:14px;box-shadow:var(--shadow);margin-bottom:12px}.book-card:hover{border-color:var(--brand-line)}.book-spine{width:54px;height:72px;border-radius:6px 10px 10px 6px;background:linear-gradient(135deg,var(--bar1),var(--bar2));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85rem;flex-shrink:0;text-align:center;line-height:1.2;padding:4px;box-shadow:inset 4px 0 #ffffff2e}.book-card strong{display:block;font-size:1.12rem}.book-card small{display:block;color:var(--muted)}.book-card.locked{opacity:.85}.book-card.locked .book-spine{filter:grayscale(.7)}.book-info{min-width:0}.book-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.tag{font-size:.75rem;font-weight:700;border-radius:6px;padding:1px 7px}.tag.lock{background:var(--chip);color:var(--muted)}.tag.ok{background:var(--ok-soft);color:var(--ok-text)}.tag.edit{background:var(--gold-soft);color:var(--gold)}.locked-box{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px 18px;text-align:center;display:flex;flex-direction:column;gap:10px;align-items:center;margin-top:20px}.locked-box .lock-icon{font-size:2.6rem}.locked-box p{margin:0}.locked-box button{min-width:200px;padding:12px;font-weight:700}.pw-card{background:var(--ok-soft);border-radius:14px;padding:12px}.pw-box{background:var(--surface);border-radius:10px;padding:10px 12px;font-size:1.05rem;line-height:1.8;-webkit-user-select:all;user-select:all}.access-row{display:flex;flex-direction:column;gap:4px;padding:8px 0;border-top:1px solid var(--border)}.access-name{font-weight:600;font-size:.95rem}.small-seg button{font-size:.85rem;padding:6px 4px}.badge-dot{background:#fbbf24;color:#3b2a00;border-radius:9px;min-width:18px;padding:0 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.q-item{flex:1}.q-answer-form{margin-top:8px}.q-answer-form textarea{width:100%}.q-wa{display:flex;margin-top:10px;padding:12px;border-radius:12px;justify-content:center;text-decoration:none;font-weight:700}.q-del{color:var(--danger)!important;margin-top:6px}.draft{background:var(--gold-soft);color:var(--gold);font-size:.75rem;border-radius:6px;padding:1px 6px;font-weight:700}.hist{list-style:none;margin:0;padding:0}.hist li{border-top:1px solid var(--border)}.hist li:first-child{border-top:0}.hist-row{display:block;width:100%;text-align:left;background:none!important;color:var(--text)!important;padding:10px 4px;border-radius:0}.hist-row:hover{background:var(--surface-2)!important}.hist-row .when{display:block;font-size:.78rem;color:var(--muted)}.badge{display:inline-block;font-size:.72rem;font-weight:700;border-radius:6px;padding:1px 6px;margin-right:6px;background:var(--chip);color:var(--muted)}.badge.create{background:var(--ok-soft);color:var(--ok-text)}.badge.delete{background:var(--danger-soft);color:var(--danger)}.badge.update{background:var(--brand-soft);color:var(--brand-dark)}.badge.revert,.badge.import{background:var(--gold-soft);color:var(--gold)}.undone{text-decoration:line-through;opacity:.6}.diff{display:grid;gap:8px;margin:10px 0}.diff>div{border-radius:10px;padding:8px 10px;font-size:.92rem;white-space:pre-wrap;overflow-wrap:anywhere}.diff .old{background:var(--danger-soft)}.diff .new{background:var(--ok-soft)}.diff b{display:block;font-size:.75rem;color:var(--muted)}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:70vh;color:var(--muted);gap:8px}.loading-screen img{border-radius:16px;animation:pulse 1.2s ease-in-out infinite}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.login-card{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:26px 22px;box-shadow:0 12px 32px #0000001a}.login-card h1{font-size:1.35rem;margin:10px 0 0}.login-card label{display:block;font-size:.9rem;font-weight:600;margin:12px 0 6px}.login-card input{width:100%;padding:12px;border:1px solid var(--input-border);border-radius:10px;font-size:16px;background:var(--surface-2)}.password-row{display:flex;gap:8px}.password-row input{flex:1;min-width:0}.login-notice{background:var(--gold-soft);color:var(--gold);border-radius:10px;padding:8px 10px;font-size:.9rem;margin:6px 0}.login-btn{width:100%;margin-top:20px;padding:13px;font-weight:700}button.install-btn{background:#22c55e!important;color:#fff!important;padding:8px 12px;font-size:.85rem;font-weight:600;white-space:nowrap}.install-hint{display:flex;align-items:flex-start;gap:8px;background:var(--brand-soft);color:var(--brand-dark);border:1px solid var(--brand-line);border-radius:10px;padding:8px 10px;font-size:.85rem}button.hint-close{background:none!important;color:inherit!important;padding:0 4px;font-size:1.2rem;line-height:1}.install-banner{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--brand-line);border-radius:14px;padding:10px 10px 10px 12px;margin-bottom:12px;box-shadow:var(--shadow)}.install-banner img{border-radius:10px;flex-shrink:0}.install-text{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.35}.install-text strong{font-size:.95rem}.install-text small{color:var(--muted);font-size:.8rem}.install-banner .hint-close{color:var(--muted)!important;font-size:1.4rem}.login-col{width:100%;max-width:380px}.login-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.lang-switch{flex-shrink:0}.lang-switch.small-seg button{padding:5px 9px;font-size:.8rem}.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translate(-50%);background:#111827;color:#fff;padding:12px 18px;border-radius:12px;z-index:40;max-width:calc(100% - 32px);box-shadow:0 10px 30px #00000040;animation:toast-in .2s ease-out}.to-top{position:fixed;right:14px;bottom:calc(18px + env(safe-area-inset-bottom));z-index:7;width:46px;height:46px;border-radius:50%;padding:0;font-size:1.3rem;box-shadow:0 6px 18px #00000040}@media(max-width:720px){body{font-size:16px}.modal-backdrop{align-items:flex-end;padding:0}.modal,.modal.wide{max-width:none;border-radius:20px 20px 0 0;max-height:90vh;padding:10px 16px calc(18px + env(safe-area-inset-bottom));animation:sheet-up .22s ease-out}.modal:before{content:"";display:block;width:40px;height:5px;border-radius:3px;background:var(--input-border);margin:0 auto 10px}.modal-actions button{flex:1}.h-main{font-size:1.2rem}.bar-btn{min-width:36px;padding:0 6px}.bar-title strong{font-size:1rem}}@media(max-width:340px){.form-grid{grid-template-columns:1fr}}@keyframes sheet-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}@keyframes pulse{50%{opacity:.6}}@keyframes flash{0%,30%{background:var(--mark)}to{background:transparent}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}@media print{.app-bar,.search-bar,.side-toc,.act,.to-top{display:none!important}.reader{display:block}}