:root{color-scheme:dark;--scrollbar: #3a3a40;--scrollbar-hover: #4e4e56;--link: #6b9fd4;--subtle: rgba(255, 255, 255, .03);--hover: rgba(255, 255, 255, .08);--input: #17171a;--selected: #2f2f35;--info-ink: #b8d4f2;--error-ink: #f2b8bc;--active-ink: #d6e7f8;--success-ink: #52b778;--favorite-ink: #d99b26;--thumbnail: #141416;--overlay: rgba(22, 22, 25, .9);--dock: rgba(29, 29, 33, .94);--shadow: rgba(0, 0, 0, .5);--backdrop: rgba(0, 0, 0, .6);--viewer: rgba(12, 12, 14, .97);--viewer-gradient: rgba(12, 12, 14, 0);--fullscreen: #000;--bg: #161618;--panel: #1d1d20;--panel-elevated: #252529;--panel-hover: #2d2d32;--ink: #ececef;--muted: #8e8e98;--line: rgba(255, 255, 255, .08);--line-strong: rgba(255, 255, 255, .15);--accent: #3b6ea5;--accent-hover: #487bb3;--mono: "SF Mono", "SFMono-Regular", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;--sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Segoe UI Variable", "Yu Gothic UI", system-ui, sans-serif}:root[data-theme=light]{color-scheme:light;--bg: #f4f5f7;--panel: #ffffff;--panel-elevated: #f0f1f4;--panel-hover: #e4e7ed;--ink: #20232b;--muted: #5e6470;--line: rgba(20, 30, 50, .12);--line-strong: rgba(20, 30, 50, .25);--accent: #356799;--accent-hover: #285681;--scrollbar: #b7bec9;--scrollbar-hover: #929cab;--link: #285f98;--subtle: rgba(20, 30, 50, .03);--hover: rgba(20, 30, 50, .08);--input: #ffffff;--selected: #dce3ee;--info-ink: #244f7b;--error-ink: #a32936;--active-ink: #244f7b;--success-ink: #247343;--favorite-ink: #8c5c00;--thumbnail: #e8eaef;--overlay: rgba(255, 255, 255, .94);--dock: rgba(255, 255, 255, .96);--shadow: rgba(20, 30, 50, .16);--backdrop: rgba(20, 30, 50, .3);--viewer: rgba(244, 245, 247, .98);--viewer-gradient: rgba(244, 245, 247, 0);--fullscreen: #f4f5f7}body.mono-body{background:var(--bg);color:var(--ink);font-family:var(--sans);min-height:100vh;line-height:1.55;letter-spacing:.01em;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--scrollbar);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-hover)}.frame{margin:0 auto;padding:18px 28px 96px}.app-header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.app-brand{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.app-header h1{margin:0;font-size:clamp(17px,2vw,20px);font-weight:600;letter-spacing:-.01em}.header-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.desktop-badge{font-family:var(--mono);font-size:10px;font-weight:500;letter-spacing:.05em;padding:2px 6px;border:1px solid var(--line-strong);border-radius:4px;background:var(--panel-elevated);color:var(--muted)}.version-badge{font-family:var(--mono);font-size:12px;color:var(--muted)}.version-badge a,.settings-section a{color:var(--link);text-underline-offset:3px}.home-view{padding:12px 20px 30px}.library-section:not(.hidden)~.library-section{margin-top:28px}.library-heading{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px}.library-heading h3{margin:0;font-size:14px;font-weight:600;color:var(--ink)}.library-heading span{color:var(--muted);font-family:var(--mono);font-size:12px}.library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,420px),1fr));gap:10px}.library-card{display:grid;min-width:0;grid-template-columns:38px minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:6px;background:var(--panel-elevated);cursor:pointer;color:var(--ink);text-align:left;transition:border-color .12s ease,background-color .12s ease}.favorite-root-slot .library-card{grid-template-columns:26px 38px minmax(0,1fr) auto}.favorite-root-slot{min-width:0}.favorite-drag-handle{cursor:grab;flex-shrink:0}.favorite-drag-handle:active{cursor:grabbing}.favorite-drag-handle:disabled{cursor:default;opacity:.35}.favorite-root-slot.is-dragging{opacity:.5}.favorite-root-slot.is-drop-target .library-card{outline:2px solid var(--accent);outline-offset:2px}.library-card:hover{border-color:var(--line-strong);background:var(--panel-hover)}.library-folder-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:6px;border:1px solid var(--line);background:var(--subtle);color:var(--muted)}.library-copy{min-width:0}.library-name{font-size:14px;font-weight:600;overflow-wrap:anywhere}.library-path{margin-top:2px;color:var(--muted);font-family:var(--mono);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.library-card-actions{display:flex;gap:4px}.icon-btn{width:28px;height:28px;display:grid;place-items:center;border:1px solid transparent;border-radius:5px;color:var(--muted);background:transparent;cursor:pointer;padding:0;transition:color .12s ease,background-color .12s ease,border-color .12s ease}.icon-btn:hover{background:var(--hover);color:var(--ink)}.icon-btn.active{color:var(--favorite-ink)}.empty-library{padding:56px 20px 48px;text-align:center;color:var(--muted)}.empty-library h3{margin:10px 0 4px;font-size:15px;color:var(--ink)}.empty-library p{margin:0;font-size:13px}.empty-icon{width:48px;height:48px;margin:0 auto;display:grid;place-items:center;border-radius:8px;border:1px solid var(--line);background:var(--panel-elevated);color:var(--muted)}.panel{margin-top:14px;background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}.panel-top{display:flex;gap:14px;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid var(--line);background:var(--subtle);flex-wrap:wrap}.folder-nav{display:flex;align-items:center;gap:12px;flex-wrap:wrap;min-width:0}.nav-buttons{display:flex;align-items:center;gap:6px}.dir-chip{display:grid;gap:1px;min-width:0}.chip-label{font-size:10px;letter-spacing:.04em;color:var(--muted);font-family:var(--sans);font-weight:500;line-height:1.2}.chip-value{font-size:15px;font-weight:600;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.panel-controls{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.segmented-control{box-sizing:border-box;height:34px;display:inline-flex;align-items:center;gap:2px;padding:2px;border:1px solid var(--line);border-radius:6px;background:var(--input);flex-wrap:nowrap}.seg-btn{box-sizing:border-box;height:28px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;background:transparent;color:var(--muted);padding:0 11px;font-family:inherit;font-size:13px;line-height:1;font-weight:500;border-radius:4px;cursor:pointer;white-space:nowrap;transition:color .12s ease,background-color .12s ease,border-color .12s ease}.seg-btn:hover{color:var(--ink);background:var(--subtle)}.seg-btn.is-active{color:var(--ink);font-weight:600;background:var(--selected);border-color:var(--line-strong)}.actions{display:flex;gap:8px;flex-wrap:wrap}.status-area{margin:24px 18px;padding:16px;border-radius:6px;text-align:center;font-size:13px}.status-default{color:var(--muted)}.status-info{background:#3b6ea524;border:1px solid rgba(59,110,165,.3);color:var(--info-ink)}.status-error{background:#b4343e29;border:1px solid rgba(180,52,62,.35);color:var(--error-ink)}.status-message{margin:8px 0 0}.status-area>.status-message:first-child{margin-top:0}.contact-sheet{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,var(--thumbnail-min-width, 170px)),1fr));align-items:stretch;padding:18px;gap:var(--thumbnail-gap, 10px)}#item-list[data-virtual]{display:block}.virtual-gallery-row{display:grid;align-items:stretch}.gallery-slot{min-width:0}.gallery-slot>.item-card{height:100%}.masonry-canvas{position:relative;overflow-anchor:none}#item-list.dense-gallery .item-card{height:auto;border:0;border-radius:0}#item-list.dense-gallery .thumbnail-container{border:0;border-radius:0}#item-list[data-virtual].original-aspect .media-card:not([data-thumb-ready]) .thumbnail-container{aspect-ratio:var(--thumbnail-aspect, 4 / 3)}.scan-preview{display:block;cursor:pointer;max-width:min(260px,60vw);max-height:220px;object-fit:contain;margin:12px auto 0;border-radius:4px}.item-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:6px;background:var(--panel-elevated);overflow:hidden;transition:border-color .12s ease,background-color .12s ease}.item-card:hover{border-color:var(--line-strong)}.thumbnail-container{position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--thumbnail);flex-grow:1;contain:content;aspect-ratio:4 / 3}.directory-card .thumbnail-container{border-bottom:1px solid var(--line)}.thumbnail-container img,.thumbnail-container video{width:100%;height:100%;object-fit:cover}.directory-card .thumbnail-container>img,.directory-card .thumbnail-container>svg{object-fit:contain;max-width:100%;max-height:100%}.dir-title{margin:0;display:flex;align-items:flex-start;justify-content:space-between;gap:8px;padding:10px 12px;font-size:13px;font-weight:500;letter-spacing:.01em}.dir-badge{flex-shrink:0;font-family:var(--sans);font-size:10px;line-height:1.2;padding:2px 6px;border:1px solid var(--line);border-radius:3px;color:var(--muted);background:var(--subtle)}#item-list.original-aspect .media-card .thumbnail-container{aspect-ratio:auto;flex-grow:0}#item-list.original-aspect .media-card .thumbnail-container img,#item-list.original-aspect .media-card .thumbnail-container video{object-fit:contain;width:100%;height:auto}.media-card{background:var(--thumbnail);border-radius:6px}body.ui-hidden-mode #item-list{padding:0;gap:0!important}body.ui-hidden-mode .item-card,body.ui-hidden-mode .media-card,body.ui-hidden-mode .thumbnail-container{border-radius:0}body.ui-hidden-mode .item-card{border-color:transparent;background:transparent}body.ui-hidden-mode .item-card:hover{border-color:transparent}body.ui-hidden-mode .thumbnail-container{border-bottom:0}body.ui-hidden-mode .favorite-btn,body.ui-hidden-mode .hidden-toggle-btn{display:none}.read-button{position:absolute;bottom:10px;left:50%;transform:translate(-50%);background:var(--overlay);color:var(--ink);padding:5px 12px;border-radius:4px;font-size:12px;font-weight:500;border:1px solid var(--line-strong);opacity:0;transition:opacity .15s ease;pointer-events:none;cursor:pointer}.group:hover .read-button{opacity:1;pointer-events:auto}.video-play-badge{width:40px;height:40px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;background:var(--overlay);border:1px solid var(--line-strong);color:var(--ink)}.video-play-badge svg{width:20px;height:20px}.hidden-toggle-btn,.favorite-btn{position:absolute;top:6px;width:28px;height:28px;border-radius:5px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line-strong);background:var(--overlay);color:var(--ink);z-index:15;cursor:pointer;padding:0;transition:background-color .12s ease,border-color .12s ease,color .12s ease}.hidden-toggle-btn{left:6px}.favorite-btn{right:6px}.hidden-toggle-btn svg,.favorite-btn svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}.hidden-toggle-btn.restore{background:#246c42e6;border-color:#78d29b73;color:#fff}.favorite-btn.active{background:#ba3042e6;border-color:#ffbec680;color:#fff}.favorite-btn.active svg{fill:currentColor}.hidden-toggle-btn:hover,.favorite-btn:hover{background:var(--panel-hover);border-color:var(--line-strong)}.hidden-toggle-btn.restore:hover{background:#2c7e4ef2}.favorite-btn.active:hover{background:#cc384cf2}.dock{position:fixed;bottom:16px;left:50%;transform:translate(-50%);width:max-content;max-width:calc(100vw - 24px);z-index:40;transition:opacity .18s ease,transform .18s ease}.dock-inner{display:flex;align-items:center;gap:10px;flex-wrap:nowrap;overflow-x:auto;background:var(--dock);border:1px solid var(--line-strong);border-radius:8px;padding:8px 12px;box-shadow:0 8px 24px var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.toolbar-group{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;flex-shrink:0}.toolbar-group-label{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.02em;padding:0 2px;-webkit-user-select:none;user-select:none;white-space:nowrap}.toolbar-divider{width:1px;height:20px;background:var(--line);flex-shrink:0}.search-field{position:relative;display:inline-flex;align-items:center;height:34px}.search-icon{position:absolute;left:9px;width:14px;height:14px;color:var(--muted);pointer-events:none}.search-clear-btn{position:absolute;right:6px;width:20px;height:20px;border:0;border-radius:4px;background:var(--hover);color:var(--muted);cursor:pointer;display:grid;place-items:center;padding:0}.search-clear-btn:hover{background:var(--line-strong);color:var(--ink)}body.ui-hidden-mode .dock:not(.hidden){opacity:0;transform:translate(-50%,calc(100% + 20px));pointer-events:none}body.ui-hidden-mode.ui-dock-revealed .dock:not(.hidden),body.ui-hidden-mode .dock:not(.hidden):hover,body.ui-hidden-mode .dock:not(.hidden):focus-within{opacity:1;transform:translate(-50%);pointer-events:auto}.ui-btn,.ui-select,.ui-input{box-sizing:border-box;height:34px;border:1px solid var(--line);background:var(--panel-elevated);color:var(--ink);padding:0 10px;font-family:inherit;font-size:13px;line-height:1;border-radius:5px;font-weight:500;letter-spacing:.01em;transition:border-color .12s ease,background-color .12s ease,color .12s ease}.ui-btn svg{width:15px;height:15px;flex-shrink:0}.ui-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;cursor:pointer;white-space:nowrap}.ui-btn:hover:not(:disabled){border-color:var(--line-strong);background:var(--panel-hover)}.ui-btn:disabled,.ui-select:disabled,.ui-input:disabled{opacity:.42;cursor:not-allowed}.ui-btn.primary{background:var(--accent);color:#fff;font-weight:600;border-color:#ffffff1f}.ui-btn.primary:hover:not(:disabled){background:var(--accent-hover);border-color:#fff3}.ui-btn.ghost{background:var(--panel-elevated)}.ui-btn.ghost:hover:not(:disabled){background:var(--panel-hover)}.ui-btn.is-active{border-color:#5b92cc8c;color:var(--active-ink);background-color:#3b6ea53d}.ui-btn.is-active:hover:not(:disabled){background-color:#3b6ea552}.ui-select{cursor:pointer;background-color:var(--panel-elevated);color:var(--ink)}.ui-select option{background-color:var(--panel-elevated);color:var(--ink)}.ui-input{background:var(--input)}.ui-input:focus,.ui-select:focus{outline:none;border-color:var(--accent)}.ui-input.search-input{padding-left:28px;padding-right:24px;width:140px}html{scrollbar-gutter:stable}.viewer-loading{position:absolute;bottom:72px;left:50%;transform:translate(-50%);color:var(--ink);background:var(--overlay);border:1px solid var(--line-strong);padding:6px 14px;border-radius:5px;font-size:13px;pointer-events:none}#viewer{position:fixed;inset:0;background:var(--viewer);display:none;flex-direction:column;align-items:center;justify-content:center;z-index:50}#viewer-pages{display:flex;width:100%;height:calc(100% - 88px);justify-content:center;align-items:center;gap:0}.page-container{height:100%;display:flex;align-items:center;padding:10px}#viewer-pages .page-container:first-child{justify-content:flex-end}#viewer-pages .page-container:last-child{justify-content:flex-start}.page-container img{width:100%;height:100%;object-fit:contain;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}#viewer-pages.single-view .page-container:first-child{display:none}#viewer-pages.single-view .page-container:last-child{width:100%;justify-content:center}html:fullscreen #viewer{background-color:var(--fullscreen)}html:fullscreen #viewer-pages{height:100%}#viewer-toolbar{box-sizing:border-box;position:absolute;bottom:0;left:0;width:100%;height:88px;background:linear-gradient(180deg,var(--viewer-gradient),var(--viewer));display:flex;justify-content:safe center;overflow-x:auto;align-items:center;gap:12px;padding:18px 16px;z-index:60;opacity:1;transform:translateY(0);transition:opacity .2s ease,transform .2s ease}html:fullscreen #viewer-toolbar.hidden{opacity:0;transform:translateY(100%);pointer-events:none}.page-counter{width:90px;flex-shrink:0;text-align:center;font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:var(--ink)}.hidden{display:none!important}.grid{display:grid}.w-full{width:100%}.h-full{height:100%}.max-w-full{max-width:100%}.max-h-full{max-height:100%}.flex{display:flex}.items-center{align-items:center}.justify-center{justify-content:center}.absolute{position:absolute}.inset-0{inset:0}.pointer-events-none{pointer-events:none}.z-10{z-index:10}.cursor-pointer{cursor:pointer}.break-all{overflow-wrap:anywhere}.mx-auto{margin-left:auto;margin-right:auto}.p-4{padding:1rem}.w-6{width:1.25rem}.h-6{height:1.25rem}.w-12{width:3rem}.h-12{height:3rem}.w-32{width:8rem}.text-gray-500{color:var(--muted)}@media(max-width:700px){.frame{padding:16px 14px 120px}.app-header{align-items:center}.toolbar-divider{display:none}}.loader{border:3px solid var(--hover);border-top:3px solid var(--accent);border-radius:50%;width:32px;height:32px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.settings-dialog{overscroll-behavior:contain;width:min(580px,calc(100vw - 32px));max-height:85vh;overflow:auto;border:1px solid var(--line-strong);border-radius:8px;padding:22px 24px;background:var(--panel);color:var(--ink);box-shadow:0 16px 40px var(--backdrop)}.settings-dialog::backdrop{background:var(--backdrop)}.settings-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}.settings-header h2{margin:0;font-size:18px;font-weight:600}.settings-section{margin-top:20px}.settings-section+.settings-section{padding-top:20px;border-top:1px solid var(--line)}.settings-section h3{margin:0 0 8px;font-size:14px;font-weight:600}.settings-desc{margin:0 0 12px;color:var(--muted);font-size:13px}.settings-field{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:12px 0;font-size:14px}.settings-field small{display:block;color:var(--muted);font-size:12px}.settings-field input[type=number]{width:120px}.settings-checkbox{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}.settings-names{display:grid;gap:8px;margin:12px 0;font-size:14px}.settings-names textarea{width:100%;height:auto;padding:8px 10px;line-height:1.5;box-sizing:border-box;resize:vertical}.settings-note{color:var(--muted);font-size:12px;margin:6px 0;overflow-wrap:anywhere}.settings-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px}.settings-status{margin:0;font-size:13px;color:var(--success-ink)}.pdf-badge{position:absolute;bottom:6px;left:6px;padding:2px 6px;border-radius:4px;background:var(--overlay);border:1px solid var(--line-strong);color:var(--ink);font-family:var(--mono);font-size:11px;font-weight:500;pointer-events:none}