:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#111827;--card:#1b2334;--fg:#e5e7eb;--muted:#9ca3af;--accent:#4a7fd4;--danger:#f87171}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:inherit;text-decoration:none}.topbar{z-index:10;padding:10px 14px;padding-top:calc(10px + env(safe-area-inset-top));background:#0d1420;border-bottom:1px solid #223;justify-content:space-between;align-items:center;gap:12px;display:flex;position:sticky;top:0}.nav-left{align-items:center;gap:6px;display:flex}.nav-btn{color:var(--muted);white-space:nowrap;background:0 0;border:1px solid #2b3852;border-radius:6px;padding:6px 12px;font-size:14px;line-height:1.4;transition:background-color .15s,border-color .15s,color .15s;display:inline-block}.nav-btn:hover{color:var(--fg);background:#1b2740;border-color:#3a4c6e}.nav-btn.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.nav-btn.active:hover{background:var(--accent);border-color:var(--accent)}.nav-right button{color:var(--fg);cursor:pointer;background:#223047;border:0;border-radius:6px;margin-left:8px;padding:6px 10px;font-size:13px}main{padding:16px;padding-bottom:calc(16px + env(safe-area-inset-bottom))}.empty{color:var(--muted);text-align:center;padding:40px 0;font-size:14px}.empty.error{color:var(--danger)}.grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:20px;margin:0;padding:0;list-style:none;display:grid}.card{background:#2a2a2a;border-radius:8px;transition:transform .2s;overflow:hidden;box-shadow:0 4px 8px #0003}.card:hover{transform:translateY(-5px)}.card .thumb{background:#333;height:200px;position:relative;overflow:hidden}.card .thumb img{object-fit:cover;width:100%;height:100%;display:block}.no-thumb{color:#aaa;background:#444;place-items:center;width:100%;height:100%;font-size:.9rem;display:grid}.badges{pointer-events:none;position:absolute;inset:0}.badge{font-weight:700;line-height:1.5;position:absolute}.badge.new{color:#fff;background:#d32f2f;border-radius:3px;padding:2px 5px;font-size:.7em;top:5px;left:5px}.badge.read{color:#fff;background:#1565c0;border-radius:3px;padding:2px 5px;font-size:.7em;bottom:5px;left:5px}.badge.fav{color:#ffd400;font-size:1.2em;top:5px;right:5px}.card .name{word-break:break-all;text-align:center;width:100%;color:inherit;cursor:pointer;background:0 0;border:0;padding:10px;font-family:inherit;font-size:.9rem;display:block}.card .name:hover{color:var(--accent)}.card .meta{color:var(--muted);justify-content:space-between;gap:6px;padding:0 10px 10px;font-size:11px;display:flex}.folders{margin:0;padding:0;list-style:none}.folders li{border-bottom:1px solid #1e293b}.folders a{justify-content:space-between;padding:14px 4px;font-size:15px;display:flex}.folder-count{color:var(--muted);font-size:13px}.offline-banner{color:#fde68a;text-align:center;background:#78350f;padding:8px 14px;font-size:13px}.connect{text-align:center;padding:32px 16px}.connect-title{color:var(--fg);margin:0 0 6px;font-size:15px}.connect-desc{max-width:34em;color:var(--muted);margin:0 auto 18px;font-size:13px;line-height:1.6}.connect-btn{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:8px;padding:11px 20px;font-family:inherit;font-size:14px;font-weight:600;display:inline-block}.connect-error{color:var(--danger)}.nav-slot{align-items:center;gap:8px;margin-left:10px;display:inline-flex}.nav-center{flex:auto;justify-content:center;align-items:center;min-width:0;display:flex}.list-toolbar-btn{color:var(--fg);cursor:pointer;background:#2a2a2a;border:1px solid #3a3a3a;border-radius:6px;padding:6px 10px;font-family:inherit;font-size:13px}.list-toolbar-btn:disabled{opacity:.45;cursor:default}.folder-select{color:#fff;background:#333;border:1px solid #444;border-radius:5px;width:100%;max-width:260px;padding:7px;font-family:inherit;font-size:14px}.folder-grid .child-count{color:var(--muted);margin-left:4px;font-size:.8em}.file-menu{z-index:1200;background:#232323;border:1px solid #3a3a3a;border-radius:8px;flex-direction:column;min-width:170px;padding:6px;display:flex;position:fixed;box-shadow:0 10px 30px #00000080}.file-menu-head{color:var(--muted);padding:6px 10px;font-size:12px}.file-menu button{text-align:left;color:var(--fg);cursor:pointer;background:0 0;border:0;border-radius:6px;padding:9px 10px;font-family:inherit;font-size:14px}.file-menu button:hover{background:#333}.file-menu button.danger{color:#ff6b6b}.file-menu hr{border:0;border-top:1px solid #3a3a3a;margin:4px 6px}.progress-backdrop{z-index:2000;background:#0a0a0ab8;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.message-container{background:#1b1b1b;border:1px solid #333;border-radius:10px;flex-direction:column;align-items:center;gap:12px;min-width:220px;padding:20px 28px;display:flex}.progress-text{text-align:center;color:var(--fg);margin:0;font-size:14px}.confirm-backdrop{z-index:2100;background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.confirm-box{text-align:center;background:#1e1e1e;border:1px solid #333;border-radius:10px;width:calc(100% - 40px);max-width:420px;padding:24px;position:relative}.confirm-close{width:32px;height:32px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:6px;justify-content:center;align-items:center;font-family:inherit;font-size:15px;line-height:1;display:inline-flex;position:absolute;top:8px;right:8px}.confirm-message{margin:0 0 18px;line-height:1.6}.confirm-failure{color:#ffb4b4;background:#3a1d1d;border:1px solid #5c2b2b;border-radius:6px;margin:0 0 14px;padding:9px 12px;font-size:13px;line-height:1.5}.confirm-preview{margin:0 0 16px}.confirm-preview img{border:2px solid #5c2b2b;border-radius:6px;max-width:100%;max-height:40vh;margin:0 auto;display:block}.confirm-preview figcaption{color:#ffb4b4;margin-top:8px;font-size:12px}.confirm-buttons{flex-wrap:wrap;justify-content:center;gap:14px;display:flex}.confirm-footnote{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;margin:12px 0 0;font-size:12px;line-height:1.5;overflow:hidden}.confirm-buttons button{cursor:pointer;border:0;border-radius:6px;padding:9px 18px;font-family:inherit;font-size:14px}.btn-confirm{background:var(--accent);color:#fff}.btn-star{color:#666;background:#2a2a3a;font-size:1.1em}.btn-star.on{color:#ffd400;background:#7a5c00}.btn-cancel{color:var(--fg);background:#3a3a3a}.btn-alt{color:var(--fg);background:#4b4b4b}.spinner{border:4px solid #333;border-top-color:var(--accent);border-radius:50%;width:30px;height:30px;margin:0 auto;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.viewer{background:#000;flex-direction:row;height:100vh;display:flex;position:relative;overflow:hidden}.viewer-siblings{border-right:1px solid #262626;flex:0 0 200px;width:200px;height:100vh;padding:60px 10px 16px;overflow:hidden auto}.viewer-siblings ul{margin:0;padding:0;list-style:none}.viewer-siblings li{margin-bottom:14px}.viewer-siblings a{color:inherit;text-decoration:none;display:block}.viewer-siblings .thumb{aspect-ratio:auto;background:#333;width:100%;height:240px;position:relative}.viewer-siblings .thumb img{object-fit:cover;border-radius:4px;width:100%;height:100%}.viewer-siblings .name{-webkit-line-clamp:2;width:100%;min-height:44px;color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;-webkit-box-orient:vertical;margin-top:6px;padding:0;font-family:inherit;font-size:13px;line-height:1.4;display:-webkit-box;overflow:hidden}.viewer-siblings .size{color:var(--muted);margin-top:2px;font-size:11px}.viewer-siblings .meta{color:var(--muted);justify-content:space-between;gap:6px;margin-top:2px;font-size:11px;display:flex}.viewer-siblings .meta .size{margin-top:0}.viewer-siblings li.current .thumb{outline-offset:-2px;outline:2px solid #ff8c00}.viewer-main{flex-direction:column;flex:auto;align-items:center;min-width:0;padding-top:60px;display:flex;overflow:hidden}.viewer-bar{z-index:1000;background:0 0;flex-wrap:wrap;align-items:center;gap:6px;padding:0;display:flex;position:absolute;top:14px;left:8px}.viewer-bar button{color:#fff;cursor:pointer;background:#333;border:0;border-radius:5px;justify-content:center;align-items:center;width:44px;height:44px;padding:0;font-family:inherit;font-size:13px;display:inline-flex}.viewer-bar button:hover:not(:disabled){background:#555}.viewer-bar button:disabled{color:#666;cursor:not-allowed;background:#ccc}.viewer-bar button.on{background:#1565c0}.viewer-bar button.on.fav{color:#ffd400;background:#7a5c00}.viewer-folder{color:#fff;cursor:pointer;background:#333;border-radius:5px;align-items:center;gap:6px;height:44px;padding:0 10px;font-size:13px;display:inline-flex;position:relative}.viewer-folder-name{text-overflow:ellipsis;white-space:nowrap;max-width:180px;overflow:hidden}.viewer-folder-caret{opacity:.7;flex:none}.viewer-folder-select{opacity:0;cursor:pointer;width:100%;height:100%;font-family:inherit;position:absolute;inset:0}@media (width<=768px){.viewer-folder{gap:1px;padding:0 4px}.viewer-folder-name{display:none}.viewer-bar{gap:2px;left:4px}}.last-seen{color:#b9c4d6;font-size:.85em}.viewer-notice{z-index:1000;color:#d7f5e3;cursor:pointer;background:#14532d;border:1px solid #2f7a4f;border-radius:6px;max-width:320px;padding:10px 14px;font-size:13px;line-height:1.5;position:absolute;top:56px;right:10px}.page-indicator{z-index:1000;color:#fff;background:#0009;border-radius:5px;padding:5px 10px;font-size:1rem;position:absolute;top:14px;right:10px}.page-area{flex:auto;justify-content:center;align-items:flex-start;width:100%;min-height:0;display:flex}.viewer-main .page{object-fit:contain;cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;border:1px solid #333;border-radius:5px;flex:0 auto;width:auto;max-width:100%;height:auto;max-height:min(80vh,100%)}.thumb-strip{scrollbar-width:thin;flex:none;gap:10px;width:100%;max-width:700px;padding:10px;display:flex;overflow:auto hidden}@media (width<=800px){.thumb-strip{max-width:calc(100vw - 100px)}}.strip-thumb{object-fit:cover;cursor:pointer;border-radius:5px;flex:none;width:100px;height:100px;transition:transform .3s}.strip-thumb.current{border:2px solid #ff8c00;transform:scale(1.1)}.viewer.fullscreen .viewer-siblings,.viewer.fullscreen .viewer-bar,.viewer.fullscreen .page-indicator,.viewer.fullscreen .thumb-strip{display:none}.viewer.fullscreen .viewer-main{justify-content:center;padding-top:0}.viewer.fullscreen .page-area{align-items:center}.viewer.fullscreen .page{object-fit:contain;border:0;border-radius:0;width:auto;max-width:100vw;max-height:100vh}.fullscreen-page{z-index:1001;color:#ffffff9e;font-variant-numeric:tabular-nums;text-shadow:0 0 3px #000000d9;cursor:pointer;font-size:.8rem;position:absolute;top:12px;right:14px}.viewer.fullscreen.panels .viewer-siblings{display:block}.viewer.fullscreen.panels .thumb-strip{display:flex}.viewer.fullscreen.panels .page{max-width:100%;max-height:calc(100vh - 130px)}@media (width<=1023px){.viewer-siblings{flex-basis:176px;width:176px}.viewer-siblings .thumb{height:210px}}@media (width<=768px){.viewer-siblings{flex-basis:112px;width:112px;padding-left:8px;padding-right:8px}.viewer-siblings .thumb{height:150px}.viewer-siblings .name,.viewer-bar button{font-size:12px}.page-indicator{color:#ffffffc7;background:#00000059;padding:3px 7px;font-size:.75rem;top:62px;right:6px}.strip-thumb{width:90px;height:90px}}.sync-dot{opacity:.45;vertical-align:middle;border:2px solid;border-right-color:#0000;border-radius:50%;width:12px;height:12px;margin-left:8px;animation:.8s linear infinite sync-spin;display:inline-block}@keyframes sync-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.sync-dot{opacity:.3;animation:none}}.volume-loading{text-align:center;max-width:420px;margin:18vh auto 0;padding:0 20px}.volume-loading-title{word-break:break-all;margin-bottom:10px;font-size:1.05rem;font-weight:600;line-height:1.5}.volume-loading-meta{color:#b9c4d6;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:16px;font-size:.85rem;display:flex}.volume-loading-meta span+span:before{content:"·";margin-right:10px}.volume-loading-bar{background:#2a3242;border-radius:3px;height:6px;overflow:hidden}.volume-loading-fill{background:var(--accent,#4a7fd4);border-radius:3px;width:0;height:100%;transition:width .3s}.volume-loading-fill.미정{width:30%;animation:1.2s ease-in-out infinite volume-loading-slide}@keyframes volume-loading-slide{0%{transform:translate(-100%)}to{transform:translate(333%)}}.volume-loading-foot{color:#b9c4d6;justify-content:space-between;min-height:1.2em;margin-top:10px;font-size:.85rem;display:flex}@media (prefers-reduced-motion:reduce){.volume-loading-fill.미정{opacity:.3;width:100%;animation:none}.volume-loading-fill{transition:none}}.upload-notice{z-index:60;color:#ffe9e9;cursor:pointer;background:#7a2e2e;border-radius:8px;max-width:min(92vw,640px);padding:8px 14px;font-size:13px;position:fixed;top:8px;left:50%;transform:translate(-50%);box-shadow:0 2px 10px #0006}.page-area{position:relative}.page-preparing{color:#9aa3b2;pointer-events:none;justify-content:center;align-items:center;font-size:14px;display:flex;position:absolute;inset:0}.blackout{z-index:9999;cursor:default;background:#000;position:fixed;inset:0}.app-cursor-hidden,.app-cursor-hidden *{cursor:none!important}