:root{--bg-color:#121212;--bg-panel:#1e1e1e;--bg-panel-hover:#2a2a2a;--text-primary:#e0e0e0;--text-secondary:#aaa;--accent:#0078d4;--accent-hover:#1084d8;--border-color:#333;--glass-bg:#1e1e1eb3;--glass-border:#ffffff14}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow:hidden}.glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:.3s ease-out fadeIn}.slide-up{animation:.4s cubic-bezier(.16,1,.3,1) slideUp}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:#444;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#555}input{background:var(--bg-color);border:1px solid var(--border-color);color:var(--text-primary);border-radius:6px;outline:none;padding:10px 14px;font-family:inherit;transition:border-color .2s,box-shadow .2s}input:focus{border-color:var(--accent);box-shadow:0 0 0 2px #0078d44d}button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:10px 16px;font-family:inherit;font-weight:500;transition:background-color .2s,transform .1s}button:hover{background:var(--accent-hover)}button:active{transform:scale(.98)}.app-container{flex-direction:column;width:100vw;height:100vh;display:flex}.top-bar{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;height:60px;padding:0 20px;display:flex}.top-bar-path{background:var(--bg-panel);border:1px solid var(--border-color);border-radius:6px;align-items:center;gap:8px;padding:8px 16px;font-size:14px;display:flex}.path-part{cursor:pointer;color:var(--text-secondary);transition:color .2s}.path-part:hover{color:var(--text-primary)}.main-content{flex:1;display:flex;overflow:hidden}.sidebar{border-right:1px solid var(--border-color);background:var(--bg-panel);width:250px;padding:16px 0;overflow-y:auto}.sidebar-item{cursor:pointer;color:var(--text-secondary);align-items:center;gap:12px;padding:10px 20px;transition:background .2s,color .2s;display:flex}.sidebar-item:hover,.sidebar-item.active{color:var(--text-primary);background:#ffffff0d}.filter-toolbar{border-bottom:1px solid var(--border-color);background:var(--bg-panel);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:12px 24px;display:flex}.filter-group{background:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;align-items:center;gap:8px;padding:4px;display:flex}.filter-pill{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:500;transition:all .2s;display:flex}.filter-pill:hover{color:var(--text-primary);background:#ffffff0d}.filter-pill.active{background:var(--accent);color:#fff;box-shadow:0 2px 8px #0078d466}.filter-count{opacity:.8;background:#ffffff26;border-radius:10px;padding:2px 6px;font-size:11px}.view-mode-toggle{background:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;align-items:center;gap:4px;padding:3px;display:flex}.mode-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:500;transition:all .2s;display:flex}.mode-btn:hover{color:var(--text-primary);background:#ffffff0d}.mode-btn.active{background:var(--accent);color:#fff;box-shadow:0 2px 6px #0078d459}.archive-download-btn{color:#58a6ff;cursor:pointer;background:#0078d426;border:1px solid #0078d459;border-radius:8px;align-items:center;gap:8px;padding:6px 14px;font-size:13px;font-weight:500;transition:all .2s;display:flex}.archive-download-btn:hover{border-color:var(--accent);color:#fff;background:#0078d447;transform:translateY(-1px)}.archive-size-pill{color:#fff;background:#0078d44d;border-radius:4px;padding:2px 6px;font-size:11px}.category-badge{color:var(--text-secondary);background:#ffffff14;border-radius:4px;margin-left:auto;padding:2px 6px;font-size:11px}.category-tag{color:#58a6ff;background:#0078d426;border:1px solid #0078d44d;border-radius:4px;margin-top:4px;padding:2px 6px;font-size:11px;display:inline-block}.sidebar-heading{text-transform:uppercase;letter-spacing:.05em;color:#777;align-items:center;gap:6px;padding:12px 20px 6px;font-size:11px;font-weight:600;display:flex}.sidebar-subitem{cursor:pointer;color:var(--text-secondary);align-items:center;gap:10px;padding:8px 20px 8px 36px;font-size:13px;transition:background .2s,color .2s;display:flex}.sidebar-subitem:hover,.sidebar-subitem.active{color:var(--text-primary);background:#ffffff0d}.sidebar-year-header{cursor:pointer;color:var(--text-secondary);justify-content:space-between;align-items:center;padding:9px 20px;font-size:13.5px;font-weight:500;transition:background .2s,color .2s;display:flex}.sidebar-year-header:hover,.sidebar-year-header.active{color:var(--text-primary);background:#ffffff0d}.sidebar-divider{background:var(--border-color);height:1px;margin:12px 16px}.toolbar-controls{align-items:center;gap:12px;display:flex}.search-box{background:var(--bg-color);border:1px solid var(--border-color);border-radius:6px;align-items:center;gap:8px;padding:6px 12px;display:flex}.search-box input{color:var(--text-primary);background:0 0;border:none;width:160px;padding:0;font-size:13px}.search-box input:focus{box-shadow:none;outline:none}.sort-select{background:var(--bg-color);color:var(--text-primary);border:1px solid var(--border-color);cursor:pointer;border-radius:6px;outline:none;padding:7px 12px;font-size:13px}.sort-select:focus{border-color:var(--accent)}.gallery-view{flex-direction:column;flex:1;display:flex;overflow:hidden}.gallery-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:20px;display:grid}.file-card{cursor:pointer;text-align:center;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;padding:16px;transition:background .2s,transform .2s;display:flex}.file-card:hover{background:var(--bg-panel-hover)}.file-card.loading{opacity:.5}.file-icon{width:64px;height:64px;color:var(--accent);margin-bottom:12px}.file-thumbnail-container{aspect-ratio:1;background:var(--bg-panel);border-radius:6px;justify-content:center;align-items:center;width:100%;margin-bottom:12px;display:flex;overflow:hidden}.file-thumbnail{object-fit:cover;width:100%;height:100%;transition:transform .3s}.file-card:hover .file-thumbnail{transform:scale(1.05)}.file-name{word-break:break-all;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;display:-webkit-box;overflow:hidden}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background:#000000d9;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{flex-direction:column;align-items:center;max-width:90vw;max-height:90vh;display:flex;position:relative}.modal-media{object-fit:contain;border-radius:8px;max-width:100%;max-height:80vh;box-shadow:0 10px 30px #00000080}.modal-controls{gap:16px;margin-top:20px;display:flex}.modal-btn{background:var(--glass-bg);border:1px solid var(--glass-border);color:#fff;border-radius:8px;align-items:center;gap:8px;padding:10px 20px;font-size:14px;display:flex}.modal-btn:hover{background:#ffffff1a}.close-btn{color:#fff;cursor:pointer;background:0 0;border:none;padding:10px;font-size:32px;position:absolute;top:-40px;right:-40px}.close-btn:hover{background:0 0;transform:scale(1.1)}.nav-btn{color:#fff;cursor:pointer;z-index:1001;background:#00000080;border:none;border-radius:50%;justify-content:center;align-items:center;padding:16px;transition:background .2s,transform .2s;display:flex;position:absolute;top:50%;transform:translateY(-50%)}.nav-btn:hover{background:#000c;transform:translateY(-50%)scale(1.1)}.prev-btn{left:-80px}.next-btn{right:-80px}.login-screen{background:linear-gradient(135deg,#121212 0%,#1a1a2e 100%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-box{text-align:center;border-radius:16px;width:100%;max-width:400px;padding:40px;box-shadow:0 20px 40px #0006}.login-title{background:linear-gradient(90deg,#fff,#aaa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:8px;font-size:24px;font-weight:600}.login-subtitle{color:var(--text-secondary);margin-bottom:32px;font-size:14px}.login-form{flex-direction:column;gap:16px;display:flex}.observer-placeholder{width:100%;height:50px}