.loading-screen{justify-content:center;align-items:center;height:100%;display:flex}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:36px;height:36px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.login-page{background:radial-gradient(ellipse at 20% 50%, #8ab4f80f 0%, transparent 50%), radial-gradient(ellipse at 80% 20%, #8ab4f80a 0%, transparent 50%), var(--bg-primary);justify-content:center;align-items:center;height:100%;padding:20px;display:flex}.login-card{background:var(--bg-card);width:400px;max-width:100%;-webkit-backdrop-filter:var(--blur);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);padding:40px 32px}.login-header{text-align:center;margin-bottom:32px}.logo-icon{margin-bottom:12px;font-size:48px}.login-header h1{color:var(--text-primary);margin-bottom:8px;font-size:28px;font-weight:700}.login-header p{color:var(--text-secondary);font-size:14px}.login-card h2{color:var(--text-primary);margin-bottom:20px;font-size:18px;font-weight:600}.input-group{margin-bottom:16px}.input-group input{background:var(--bg-glass);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);padding:12px 16px;font-size:15px;transition:border-color .2s,box-shadow .2s}.input-group input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.input-group input::placeholder{color:var(--text-muted)}.btn-primary{background:var(--accent);color:#1a1d27;border-radius:var(--radius-sm);width:100%;padding:12px;font-size:15px;font-weight:600;transition:background .2s,transform .1s}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.error-msg{color:var(--danger);border-radius:var(--radius-sm);background:#f28b821f;border:1px solid #f28b8233;margin-bottom:16px;padding:10px 14px;font-size:13px}.toggle-text{text-align:center;color:var(--text-secondary);margin-top:20px;font-size:14px}.link-btn{color:var(--accent);background:0 0;margin-left:4px;font-size:14px;transition:color .2s}.link-btn:hover{color:var(--accent-hover);text-decoration:underline}.gallery-page{flex-direction:column;height:100%;display:flex;overflow:hidden}.topbar{background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:14px 24px;display:flex}.topbar-left{align-items:center;gap:10px;display:flex}.topbar-left .logo-icon{font-size:24px}.logo-text{color:var(--text-primary);font-size:18px;font-weight:700}.topbar-right{align-items:center;gap:16px;display:flex}.user-name{color:var(--text-secondary);font-size:14px}.btn-logout{background:var(--bg-glass);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);padding:6px 14px;font-size:13px;transition:all .2s}.btn-logout:hover{border-color:var(--danger);color:var(--danger)}.gallery-body{flex:1;padding:24px;overflow-y:auto}.gallery-body::-webkit-scrollbar{width:6px}.gallery-body::-webkit-scrollbar-track{background:0 0}.gallery-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);text-align:center;cursor:pointer;background:var(--bg-card);-webkit-backdrop-filter:var(--blur);margin-bottom:24px;padding:40px 24px;transition:all .2s}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--accent);background:var(--accent-bg)}.upload-icon{margin-bottom:12px;font-size:40px}.upload-zone p{color:var(--text-primary);margin-bottom:6px;font-size:15px}.upload-hint{color:var(--text-muted);font-size:12px}.uploading{color:var(--text-secondary);justify-content:center;align-items:center;gap:12px;font-size:15px;display:flex}.image-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;display:grid}.image-card{background:var(--bg-card);-webkit-backdrop-filter:var(--blur);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;box-shadow:var(--shadow-md);transition:all .25s;position:relative;overflow:hidden}.image-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-lg);transform:translateY(-4px)}.image-card-img{aspect-ratio:1;background:var(--bg-secondary);overflow:hidden}.image-card-img img{object-fit:cover;width:100%;height:100%;transition:transform .3s}.image-card:hover .image-card-img img{transform:scale(1.05)}.image-card-info{justify-content:space-between;align-items:center;padding:10px 14px;display:flex}.card-name{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;max-width:140px;font-size:13px;overflow:hidden}.card-size{color:var(--text-muted);flex-shrink:0;font-size:11px}.image-card-actions{opacity:0;gap:6px;transition:opacity .2s;display:flex;position:absolute;top:8px;right:8px}.image-card:hover .image-card-actions{opacity:1}.btn-icon{-webkit-backdrop-filter:blur(8px);background:#00000080;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;transition:background .2s;display:flex}.btn-icon:hover{background:#000000b3}.empty-state{text-align:center;padding:80px 20px}.empty-icon{opacity:.5;margin-bottom:16px;font-size:64px}.empty-state p{color:var(--text-secondary);font-size:16px}.modal-overlay{-webkit-backdrop-filter:blur(4px);z-index:100;background:#000000b3;justify-content:center;align-items:center;padding:24px;animation:.2s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);animation:.25s slideUp;position:relative}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.preview-modal{flex-direction:column;max-width:90vw;max-height:90vh;display:flex;overflow:hidden}.preview-modal img{object-fit:contain;background:var(--bg-primary);max-width:90vw;max-height:65vh}.preview-info{border-top:1px solid var(--border);align-items:center;gap:16px;padding:14px 20px;font-size:13px;display:flex}.preview-name{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.preview-size,.preview-date{color:var(--text-muted)}.preview-actions{gap:10px;padding:0 20px 16px;display:flex}.btn-share{background:var(--accent);color:#1a1d27;border-radius:var(--radius-sm);padding:8px 18px;font-size:13px;font-weight:600;transition:background .2s}.btn-share:hover{background:var(--accent-hover)}.btn-copy{background:var(--bg-glass);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);padding:8px 18px;font-size:13px;transition:all .2s}.btn-copy:hover{border-color:var(--border-hover)}.btn-delete{border-radius:var(--radius-sm);color:var(--danger);background:#f28b821a;border:1px solid #f28b8233;padding:8px 18px;font-size:13px;transition:all .2s}.btn-delete:hover{background:#f28b8233}.modal-close-btn{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);width:32px;height:32px;color:var(--text-primary);background:#00000080;border-radius:50%;justify-content:center;align-items:center;font-size:16px;transition:background .2s;display:flex;position:absolute;top:12px;right:12px}.modal-close-btn:hover{background:#000000b3}.share-modal{text-align:center;width:460px;max-width:90vw;padding:28px}.share-modal h3{color:var(--text-primary);margin-bottom:20px;font-size:20px}.share-url-box{gap:10px;margin-bottom:12px;display:flex}.share-url-box input{background:var(--bg-glass);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);cursor:text;flex:1;padding:10px 14px;font-size:14px}.share-url-box .btn-copy{white-space:nowrap}.share-tip{color:var(--text-muted);margin-bottom:16px;font-size:12px}.btn-close{background:var(--bg-glass);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);padding:8px 24px;font-size:14px;transition:all .2s}.btn-close:hover{border-color:var(--border-hover);color:var(--text-primary)}@media (width<=768px){.topbar{padding:12px 16px}.gallery-body{padding:16px}.image-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.login-card{padding:28px 20px}.preview-modal{max-width:95vw;max-height:95vh}.preview-modal img{max-height:50vh}.share-url-box{flex-direction:column}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#0f1117;--bg-secondary:#1a1d27;--bg-card:#1a1d2799;--bg-glass:#ffffff0a;--border:#ffffff14;--border-hover:#ffffff26;--text-primary:#e8eaed;--text-secondary:#9aa0ab;--text-muted:#5f6368;--accent:#8ab4f8;--accent-hover:#aecbfa;--accent-bg:#8ab4f81a;--danger:#f28b82;--danger-hover:#f5a9a0;--success:#81c995;--shadow-lg:0 25px 50px #00000080;--shadow-md:0 10px 30px #0000004d;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--blur:blur(20px)}html,body{background:var(--bg-primary);height:100%;color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}#root{height:100%}button{cursor:pointer;border:none;outline:none;font-family:inherit}input{outline:none;font-family:inherit}