:root{--bg-primary: #faf9f7;--bg-secondary: #ffffff;--bg-overlay: rgba(0, 0, 0, .6);--text-primary: #1a1a1a;--text-secondary: #666666;--text-muted: #999999;--accent: #e8725a;--accent-hover: #d4604a;--border: #e8e6e3;--shadow: 0 2px 8px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--radius: 16px;--radius-sm: 10px;--font-size-base: 18px;--font-size-lg: 22px;--font-size-xl: 28px}html.dark{--bg-primary: #1a1a1e;--bg-secondary: #2a2a2e;--text-primary: #f0ede8;--text-secondary: #b0b0b0;--text-muted: #8a8a8a;--accent: #ef8a73;--accent-hover: #f5a08d;--border: #3a3a3e;--shadow: 0 2px 8px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:var(--font-size-base)}body{font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100dvh;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}#root{min-height:100dvh}.app{display:flex;flex-direction:column;min-height:100dvh;max-width:600px;margin:0 auto;position:relative;transition:max-width .2s ease}.app-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.header-left{width:48px;display:flex;align-items:center}.header-right{display:flex;align-items:center}.header-title{font-size:var(--font-size-xl);font-weight:700;letter-spacing:-.02em;color:var(--text-primary)}.btn-icon{width:48px;height:48px;border:none;background:none;font-size:24px;cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-primary);transition:background .2s}.btn-icon:hover{background:var(--border)}.btn-primary{background:var(--accent);color:#fff;border:none;padding:14px 28px;border-radius:var(--radius-sm);font-size:var(--font-size-base);font-weight:600;cursor:pointer;transition:background .2s}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-secondary{background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border);padding:14px 28px;border-radius:var(--radius-sm);font-size:var(--font-size-base);font-weight:500;cursor:pointer;transition:background .2s}.btn-secondary:hover{background:var(--border)}.btn-danger{background:#e53e3e;color:#fff;border:none;padding:14px 24px;border-radius:var(--radius-sm);font-size:var(--font-size-base);font-weight:600;cursor:pointer;width:100%;transition:background .2s}.btn-danger:hover{background:#c53030}.category-bar-wrapper{position:relative}.category-bar{display:flex;gap:8px;padding:12px 20px;overflow-x:auto;background:var(--bg-secondary);border-bottom:1px solid var(--border);scrollbar-width:none}.category-bar::-webkit-scrollbar{display:none}.category-tab{flex-shrink:0;padding:10px 20px;border-radius:24px;border:1px solid var(--border);background:var(--bg-primary);color:var(--text-secondary);font-size:16px;font-weight:500;cursor:pointer;transition:all .2s;white-space:nowrap;display:flex;align-items:center;gap:4px;line-height:normal}.category-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.category-tab.add-tab{background:none;border-style:dashed;color:var(--text-muted);font-size:20px;padding:10px 16px}.category-add-overlay{position:fixed;inset:0;background:var(--bg-overlay);display:flex;align-items:center;justify-content:center;z-index:200;padding:20px}.category-add-dialog{background:var(--bg-secondary);border-radius:var(--radius);padding:28px;width:100%;max-width:400px;box-shadow:var(--shadow-lg)}.category-add-dialog h3{font-size:var(--font-size-lg);margin-bottom:20px;text-align:center}.icon-picker{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:20px}.icon-option{aspect-ratio:1;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-primary);font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;line-height:normal}.icon-option.selected{border-color:var(--accent);background:var(--accent);transform:scale(1.1)}.input-name{width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:var(--font-size-base);background:var(--bg-primary);color:var(--text-primary);margin-bottom:20px;outline:none}.input-name:focus{border-color:var(--accent)}.dialog-actions{display:flex;gap:12px;align-items:center}.dialog-actions button{flex:1}.dialog-actions+.btn-danger{margin-top:12px}.main-content{flex:1;padding:16px 16px 100px;position:relative}.loading-bar{position:absolute;top:0;left:0;right:0;height:3px;background:var(--border);overflow:hidden}.loading-bar-inner{height:100%;width:40%;background:var(--accent);animation:loading-slide 1s ease-in-out infinite}@keyframes loading-slide{0%{transform:translate(-100%)}to{transform:translate(350%)}}.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}.photo-cell{position:relative;aspect-ratio:1;overflow:hidden;border:none;padding:0;cursor:pointer;background:var(--border);border-radius:4px}.photo-cell img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .2s}.photo-cell:hover img{transform:scale(1.05)}.photo-grid.dragging{user-select:none;-webkit-user-select:none;touch-action:none}.photo-cell.drag-source{opacity:.3;transform:scale(.95);transition:opacity .15s,transform .15s}.drag-handle{position:absolute;top:4px;right:4px;width:24px;height:20px;display:flex;align-items:center;justify-content:center;background:#00000073;border-radius:4px;cursor:grab;opacity:0;transition:opacity .2s;z-index:2;touch-action:none}.photo-cell:hover .drag-handle,.photo-cell:active .drag-handle{opacity:1}@media(hover:none){.drag-handle{opacity:.7}}.drag-handle:active{cursor:grabbing;background:#0009}.drag-handle-dots{display:grid;grid-template-columns:repeat(3,4px);grid-template-rows:repeat(2,4px);gap:2px}.drag-handle-dots span{width:3px;height:3px;border-radius:50%;background:#ffffffe6}.drag-ghost{position:fixed;z-index:9999;pointer-events:none;opacity:.9;transform:scale(1.08);box-shadow:0 8px 32px #00000059;border-radius:6px;overflow:hidden;transition:none;will-change:left,top}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 20px;text-align:center;color:var(--text-muted)}.empty-icon{font-size:64px;margin-bottom:16px;line-height:normal}.empty-state p{font-size:var(--font-size-lg);margin-bottom:8px}.empty-hint{font-size:16px!important;color:var(--text-muted)}.hidden-input{display:none}.fab{position:fixed;bottom:32px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:8px;padding:16px 32px;background:var(--accent);color:#fff;border:none;border-radius:32px;font-size:var(--font-size-base);font-weight:600;cursor:pointer;box-shadow:0 4px 20px #e8725a59;transition:all .2s;z-index:50}.fab:hover{background:var(--accent-hover);transform:translate(-50%) scale(1.05)}.fab-icon{font-size:24px;line-height:normal}.viewer-overlay{position:fixed;inset:0;background:#000000eb;z-index:300;display:flex;flex-direction:column}.viewer-content{flex:1;display:flex;flex-direction:column;max-width:600px;margin:0 auto;width:100%;position:relative;overflow:hidden}.viewer-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;color:#fff}.viewer-header .btn-icon{color:#fff;background:#ffffff26}.viewer-name{font-size:16px;opacity:.9;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;text-align:center;padding:0 12px}.viewer-image{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;pointer-events:none}.viewer-swipe-container{flex:1;position:relative;overflow:hidden;touch-action:none;display:flex;align-items:center}.viewer-swipe-track{display:flex;align-items:center;width:100%;height:100%;will-change:transform}.viewer-slide{flex-shrink:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:0 16px;overflow:hidden}.viewer-slide-prev{position:absolute;left:-100%;top:0}.viewer-slide-current{position:relative}.viewer-slide-next{position:absolute;right:-100%;top:0}.viewer-zoom-badge{position:absolute;top:12px;left:50%;transform:translate(-50%);background:#0009;color:#fff;font-size:13px;padding:4px 12px;border-radius:16px;pointer-events:none;z-index:10;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.viewer-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:none;background:#ffffff26;color:#fff;font-size:32px;line-height:normal;cursor:pointer;border-radius:50%;display:none;align-items:center;justify-content:center;z-index:10;transition:background .2s;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.viewer-arrow:hover{background:#ffffff4d}.viewer-arrow-left{left:8px}.viewer-arrow-right{right:8px}@media(hover:hover)and (pointer:fine){.viewer-arrow{display:flex}}.viewer-header-right{display:flex;align-items:center;gap:4px}.viewer-counter{font-size:13px;opacity:.8;white-space:nowrap}.viewer-actions{display:flex;justify-content:center;gap:32px;padding:16px 20px 8px}.viewer-action-btn{display:flex;flex-direction:column;align-items:center;gap:4px;background:none;border:none;color:#fff;font-size:13px;cursor:pointer;opacity:.9;transition:opacity .2s;padding:8px 16px;border-radius:var(--radius-sm)}.viewer-action-btn:hover{opacity:1;background:#ffffff1a}.viewer-action-btn-active{opacity:1;background:#fff3}.viewer-action-icon{font-size:24px;line-height:normal}.viewer-menu{position:absolute;bottom:0;left:0;right:0;z-index:20;background:var(--bg-secondary);border-radius:var(--radius) var(--radius) 0 0;padding:24px 20px;animation:slide-up .25s ease-out;max-height:60vh;overflow-y:auto}@keyframes slide-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}.viewer-menu-section{margin-bottom:20px}.viewer-menu-label{font-size:14px;color:var(--text-muted);margin-bottom:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.viewer-menu-albums{display:flex;flex-wrap:wrap;gap:8px}.album-toggle{display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:20px;border:1px solid var(--border);background:var(--bg-primary);color:var(--text-secondary);font-size:15px;cursor:pointer;transition:all .2s;line-height:normal;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.album-toggle.active{background:var(--accent);color:#fff;border-color:var(--accent)}.album-toggle-check{width:16px;flex-shrink:0;font-size:13px;font-weight:700;text-align:center}.album-tab{border-style:dashed!important}.album-tab.active{border-style:solid!important}.album-add-tab{font-size:14px}.header-actions{display:flex;gap:4px;align-items:center}.encryption-badge{display:flex;align-items:center;justify-content:center;width:32px;height:32px;font-size:16px;border-radius:50%;background:var(--border);opacity:.6;line-height:normal}.encryption-badge.active{background:#c6f6d5;opacity:1}html.dark .encryption-badge.active{background:#22543d}.settings-dialog{max-width:420px;max-height:calc(100vh - 40px);overflow-y:auto;padding:20px}.settings-desc{font-size:15px;color:var(--text-secondary);text-align:center;margin-bottom:24px;line-height:1.6}.settings-actions{display:flex;flex-direction:column;gap:8px}.settings-btn{display:flex;align-items:center;gap:12px;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-primary);cursor:pointer;text-align:left;transition:all .2s;color:var(--text-primary)}.settings-btn:hover{border-color:var(--accent)}.settings-btn:disabled{opacity:.5;cursor:not-allowed}.settings-btn-icon{font-size:24px;flex-shrink:0;line-height:normal}.settings-btn-text{display:flex;flex-direction:column;gap:2px}.settings-btn-text strong{font-size:var(--font-size-base)}.settings-btn-text small{font-size:14px;color:var(--text-muted)}.settings-status{text-align:center;padding:10px;margin-bottom:12px;background:var(--bg-primary);border-radius:var(--radius-sm);font-size:15px;color:var(--accent);font-weight:500}.settings-close{width:100%}.settings-section{margin-bottom:16px}.settings-section-title{font-size:15px;font-weight:700;margin-bottom:12px;color:var(--text-primary)}.storage-info{display:flex;align-items:baseline;gap:8px;padding:10px 14px;background:var(--bg-primary);border-radius:var(--radius-sm);border:1px solid var(--border)}.storage-size{font-size:var(--font-size-lg);font-weight:700;color:var(--accent)}.storage-count{font-size:14px;color:var(--text-muted)}.storage-mode-options{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}.storage-mode-btn{display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 12px;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-primary);cursor:pointer;transition:all .2s;color:var(--text-primary)}.storage-mode-btn:hover{border-color:var(--accent)}.storage-mode-btn.active{border-color:var(--accent);background:var(--accent);color:#fff}.storage-mode-btn.active small{color:#fffc}.storage-mode-btn strong{font-size:var(--font-size-base)}.storage-mode-btn small{font-size:13px;color:var(--text-muted)}.storage-mode-btn:disabled{opacity:.5;cursor:not-allowed}.recompress-btn{width:100%}.storage-meta{display:flex;align-items:center;gap:12px;margin-top:8px;font-size:13px;color:var(--text-muted)}.persist-badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:600;background:var(--border);color:var(--text-muted)}.persist-badge.active{background:#c6f6d5;color:#276749}html.dark .persist-badge.active{background:#22543d;color:#9ae6b4}.last-backup-info{font-size:13px}.backup-reminder{background:#fefcbf;border-bottom:1px solid #ecc94b;padding:10px 20px}html.dark .backup-reminder{background:#744210;border-bottom-color:#975a16}.backup-reminder-content{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:600px;margin:0 auto}.backup-reminder-text{font-size:13px;font-weight:500;color:#744210}html.dark .backup-reminder-text{color:#fefcbf}.backup-reminder-actions{display:flex;gap:8px;flex-shrink:0}.backup-reminder-btn{padding:6px 14px;border-radius:16px;font-size:13px;font-weight:600;border:none;cursor:pointer;transition:opacity .2s}.backup-reminder-btn:hover{opacity:.85}.backup-reminder-export{background:var(--accent);color:#fff}.backup-reminder-dismiss{background:transparent;color:#744210;border:1px solid #d69e2e}html.dark .backup-reminder-dismiss{color:#fefcbf;border-color:#975a16}.auto-backup-desc{font-size:13px;color:var(--text-muted);margin-bottom:12px;line-height:1.5}.auto-backup-active-btn{border-color:#48bb78!important}.auto-backup-status-card{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;background:var(--border);color:var(--text-muted);margin-bottom:8px}.auto-backup-status-card.active{background:#c6f6d5;color:#276749}html.dark .auto-backup-status-card.active{background:#22543d;color:#9ae6b4}.auto-backup-status-icon{font-size:16px;line-height:normal}.encryption-status-card{display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;background:var(--border);color:var(--text-muted);margin-bottom:12px}.encryption-status-card.active{background:#c6f6d5;color:#276749}html.dark .encryption-status-card.active{background:#22543d;color:#9ae6b4}.encryption-status-icon{font-size:18px;line-height:normal}.encryption-status-text{font-size:14px}.backup-encryption-notice{margin-top:10px;padding:8px 12px;border-radius:var(--radius-sm);font-size:12px;font-weight:500;line-height:1.4;background:#fefcbf;color:#744210;border:1px solid #ecc94b}html.dark .backup-encryption-notice{background:#744210;color:#fefcbf;border-color:#975a16}.recovery-banner{background:#ebf8ff;border-bottom:1px solid #90cdf4;padding:16px 20px}html.dark .recovery-banner{background:#1a365d;border-bottom-color:#2b6cb0}.recovery-banner-content{max-width:600px;margin:0 auto;text-align:center}.recovery-banner-title{font-size:16px;font-weight:700;color:#2b6cb0;margin-bottom:4px}html.dark .recovery-banner-title{color:#90cdf4}.recovery-banner-desc{font-size:13px;color:#4a5568;margin-bottom:12px;line-height:1.5}html.dark .recovery-banner-desc{color:#a0aec0}.recovery-banner-actions{display:flex;gap:8px;justify-content:center}.recovery-banner-btn{padding:8px 20px;border-radius:20px;font-size:14px;font-weight:600;border:none;cursor:pointer;transition:opacity .2s}.recovery-banner-btn:hover{opacity:.85}.recovery-banner-restore{background:var(--accent);color:#fff}.recovery-banner-dismiss{background:transparent;color:#4a5568;border:1px solid #cbd5e0}html.dark .recovery-banner-dismiss{color:#a0aec0;border-color:#4a5568}.add-to-album-btn{display:block;width:100%;padding:12px;margin-bottom:12px;border:2px dashed var(--border);border-radius:var(--radius-sm);background:none;color:var(--text-secondary);font-size:15px;font-weight:500;cursor:pointer;transition:all .2s}.add-to-album-btn:hover{border-color:var(--accent);color:var(--accent)}.picker-overlay{position:fixed;inset:0;background:#000000f2;display:flex;align-items:center;justify-content:center;z-index:200}.picker-fullscreen{width:100%;height:100dvh;display:flex;flex-direction:column;max-width:600px;margin:0 auto}.picker-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;color:#fff;flex-shrink:0}.picker-select-all-bar{display:flex;justify-content:center;padding:0 16px 8px;flex-shrink:0}.picker-select-all-btn{background:#ffffff26;color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:20px;padding:6px 20px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s}.picker-select-all-btn:hover{background:#ffffff4d}.picker-select-all-btn:active{background:#fff6}.picker-close-btn{width:40px;height:40px;border:none;background:#ffffff26;color:#fff;font-size:18px;cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .2s}.picker-close-btn:hover{background:#ffffff4d}.picker-title{font-size:18px;font-weight:700;color:#fff}.picker-counter{font-size:14px;color:#ffffffb3;min-width:40px;text-align:right}.picker-empty-full{flex:1;display:flex;align-items:center;justify-content:center;color:#fff9;font-size:16px}.picker-main{flex:1;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:pan-y;min-height:0}.picker-image-wrapper{width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:0 16px}.picker-large-image{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;pointer-events:none}.picker-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:none;background:#ffffff26;color:#fff;font-size:32px;line-height:normal;cursor:pointer;border-radius:50%;display:none;align-items:center;justify-content:center;z-index:10;transition:background .2s;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.picker-arrow:hover{background:#ffffff4d}.picker-arrow-left{left:8px}.picker-arrow-right{right:8px}@media(hover:hover)and (pointer:fine){.picker-arrow{display:flex}}.picker-select-area{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 16px 8px;flex-shrink:0}.picker-select-btn{padding:12px 32px;border-radius:28px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s;border:2px solid rgba(255,255,255,.3);background:#ffffff1a;color:#fff}.picker-select-btn:hover{border-color:#ffffff80;background:#fff3}.picker-select-btn.selected{border-color:var(--accent);background:var(--accent);color:#fff}.picker-photo-name{font-size:13px;color:#ffffff80;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:280px}.picker-strip{display:flex;gap:8px;padding:8px 16px;overflow-x:auto;scrollbar-width:none;flex-shrink:0}.picker-strip::-webkit-scrollbar{display:none}.picker-thumb{flex-shrink:0;width:56px;height:56px;border:2px solid transparent;border-radius:8px;overflow:hidden;cursor:pointer;background:#ffffff1a;padding:0;position:relative;transition:border-color .2s,opacity .2s;opacity:.6}.picker-thumb img{width:100%;height:100%;object-fit:cover;display:block}.picker-thumb.active{border-color:#fff;opacity:1}.picker-thumb.selected{border-color:var(--accent);opacity:1}.picker-thumb.active.selected{border-color:var(--accent)}.picker-thumb-check{position:absolute;top:2px;right:2px;width:18px;height:18px;background:var(--accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;z-index:1}.picker-bottom-actions{display:flex;gap:12px;padding:12px 16px;padding-bottom:max(12px,env(safe-area-inset-bottom));flex-shrink:0}.picker-bottom-actions button{flex:1}.upload-overlay{position:fixed;inset:0;background:var(--bg-overlay);display:flex;align-items:center;justify-content:center;z-index:400;padding:20px}.upload-dialog{background:var(--bg-secondary);border-radius:var(--radius);padding:32px 28px;width:100%;max-width:340px;text-align:center;box-shadow:var(--shadow-lg)}.upload-title{font-size:var(--font-size-lg);font-weight:600;margin-bottom:20px}.upload-bar-track{width:100%;height:8px;background:var(--border);border-radius:4px;overflow:hidden;margin-bottom:16px}.upload-bar-fill{height:100%;background:var(--accent);border-radius:4px;transition:width .3s ease}.upload-count{font-size:16px;color:var(--text-secondary);font-variant-numeric:tabular-nums}.upload-failed{color:#e53e3e;margin-left:4px}.password-screen{min-height:100dvh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:20px}.password-card{background:var(--bg-secondary);border-radius:var(--radius);padding:40px 28px;width:100%;max-width:360px;text-align:center;box-shadow:var(--shadow-lg)}.password-icon{font-size:48px;margin-bottom:12px;line-height:normal}.password-title{font-size:var(--font-size-xl);font-weight:700;margin-bottom:8px}.password-desc{font-size:15px;color:var(--text-secondary);margin-bottom:28px;line-height:1.5}.password-input{margin-bottom:12px!important}.password-error{color:#e53e3e;font-size:14px;margin-bottom:12px;font-weight:500}.password-submit{width:100%;margin-top:8px}.usage-bar{padding:8px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.usage-bar-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.usage-bar-label{font-size:13px;color:var(--text-secondary);font-weight:500}.usage-bar-count{font-size:13px;color:var(--text-muted)}.usage-bar-track{width:100%;height:6px;background:var(--border);border-radius:3px;overflow:hidden}.usage-bar-fill{height:100%;background:var(--accent);border-radius:3px;transition:width .5s ease;min-width:0}.quality-overlay{position:fixed;inset:0;background:var(--bg-overlay);display:flex;align-items:center;justify-content:center;z-index:250;padding:20px}.quality-dialog{background:var(--bg-secondary);border-radius:var(--radius);padding:28px;width:100%;max-width:360px;box-shadow:var(--shadow-lg)}.quality-dialog h3{font-size:var(--font-size-lg);margin-bottom:20px;text-align:center}.quality-options{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.quality-btn{display:flex;flex-direction:column;align-items:center;gap:2px;padding:14px 16px;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-primary);cursor:pointer;transition:all .2s;color:var(--text-primary)}.quality-btn:hover{border-color:var(--accent)}.quality-btn.active{border-color:var(--accent);background:var(--accent);color:#fff}.quality-btn.active small{color:#fffc}.quality-btn strong{font-size:var(--font-size-base)}.quality-btn small{font-size:13px;color:var(--text-muted)}.memo-input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:15px;font-family:inherit;background:var(--bg-primary);color:var(--text-primary);resize:vertical;outline:none}.memo-input:focus{border-color:var(--accent)}.memo-input::placeholder{color:var(--text-muted)}.storage-meta-text{font-size:13px;color:var(--text-muted);margin-top:8px}.user-id-display{padding:10px 14px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px}.user-id-display code{font-size:14px;font-family:SF Mono,Menlo,monospace;color:var(--accent);word-break:break-all}.user-id-copyable{display:flex;align-items:center;gap:8px;cursor:pointer;transition:background .15s}.user-id-copyable:active{background:var(--bg-secondary)}.user-id-label{font-size:11px;font-weight:600;color:var(--text-muted);flex-shrink:0}.user-id-copyable code{flex:1;min-width:0}.user-id-copy-btn{flex-shrink:0;font-size:16px;opacity:.6;transition:opacity .15s}.user-id-copyable:hover .user-id-copy-btn{opacity:1}.settings-hint{font-size:13px;color:var(--text-muted);line-height:1.5;margin-bottom:12px}.loading-screen{min-height:100dvh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary)}.loading-spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.landing{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 24px;background:var(--bg-primary);max-width:480px;margin:0 auto}.landing-hero{text-align:center;margin-bottom:40px}.landing-logo{font-size:20px;font-weight:700;color:var(--accent);letter-spacing:.05em;margin-bottom:20px}.landing-title{font-size:36px;font-weight:800;line-height:1.3;color:var(--text-primary);margin-bottom:16px;letter-spacing:-.02em}.landing-subtitle{font-size:17px;color:var(--text-secondary);line-height:1.7}.landing-features{width:100%;display:flex;flex-direction:column;gap:16px;margin-bottom:40px}.landing-feature{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--bg-secondary);border-radius:var(--radius);border:1px solid var(--border)}.landing-feature-icon{flex-shrink:0;width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;border-radius:12px;font-size:18px;font-weight:800;line-height:normal}.landing-feature-text{display:flex;flex-direction:column;gap:2px}.landing-feature-text strong{font-size:16px;color:var(--text-primary)}.landing-feature-text span{font-size:14px;color:var(--text-secondary);line-height:1.4}.landing-actions{width:100%;display:flex;flex-direction:column;gap:12px}.landing-cta{text-align:center;text-decoration:none;font-size:20px;padding:18px 28px}.landing-login{text-align:center;text-decoration:none}.landing-footer{margin-top:24px;font-size:14px;color:var(--text-muted);text-align:center}.landing-legal-links{margin-top:16px;display:flex;align-items:center;justify-content:center;gap:8px;font-size:13px}.landing-legal-links a{color:var(--text-muted);text-decoration:none;transition:color .2s}.landing-legal-links a:hover{color:var(--accent)}.landing-legal-sep{color:var(--border)}.login-screen{min-height:100dvh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:20px}.login-card{background:var(--bg-secondary);border-radius:var(--radius);padding:32px 24px;width:100%;max-width:400px;box-shadow:var(--shadow-lg);position:relative}.login-back{display:inline-block;font-size:15px;color:var(--text-secondary);text-decoration:none;margin-bottom:16px;transition:color .2s}.login-back:hover{color:var(--accent)}.login-header{text-align:center;margin-bottom:28px}.login-logo{font-size:18px;font-weight:700;color:var(--accent);letter-spacing:.05em;margin-bottom:12px}.login-title{font-size:var(--font-size-xl);font-weight:700;color:var(--text-primary);margin-bottom:8px}.login-desc{font-size:15px;color:var(--text-secondary)}.login-form{display:flex;flex-direction:column;gap:4px}.login-field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.login-label{font-size:14px;font-weight:600;color:var(--text-secondary)}.login-error{color:#e53e3e;font-size:14px;font-weight:500;text-align:center;padding:8px;background:#e53e3e14;border-radius:var(--radius-sm);margin-bottom:8px}.login-hint{font-size:12px;color:#718096;margin-top:4px}html.dark .login-hint{color:#a0aec0}.login-submit{width:100%;margin-top:8px;font-size:18px}.login-webauthn{width:100%;margin-top:8px;font-size:16px;display:flex;align-items:center;justify-content:center;gap:8px}.login-switch{text-align:center;margin-top:20px;font-size:15px;color:var(--text-secondary)}.login-switch-btn{background:none;border:none;color:var(--accent);font-size:15px;font-weight:600;cursor:pointer;padding:0;margin-left:4px;text-decoration:underline}.login-switch-btn:hover{color:var(--accent-hover)}.login-forgot{text-align:center;margin-top:12px}.login-forgot a{color:var(--text-secondary);font-size:14px;text-decoration:none;transition:color .2s}.login-forgot a:hover{color:var(--accent);text-decoration:underline}.reset-message{color:var(--accent);font-size:14px;text-align:center;padding:8px;background:#4299e114;border-radius:var(--radius-sm);margin-bottom:8px}.reset-code-input{text-align:center;font-size:24px!important;letter-spacing:8px;font-weight:700}.settings-email-section{margin-bottom:12px}.settings-email-label{font-size:13px;color:var(--text-secondary);margin-bottom:6px}.settings-email-display{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--bg-primary);border-radius:var(--radius-sm);cursor:pointer;transition:background .2s}.settings-email-display:hover{background:var(--border)}.settings-email-value{font-size:14px;color:var(--text-primary)}.settings-email-edit-btn{font-size:13px;color:var(--accent);font-weight:600}.settings-email-edit{display:flex;flex-direction:column;gap:8px}.settings-email-input{font-size:14px!important}.settings-email-actions{display:flex;gap:8px}.settings-email-save,.settings-email-cancel{flex:1;padding:6px 12px;font-size:14px;border-radius:var(--radius-sm)}.admin-section-desc{margin-bottom:8px}.admin-user-list{max-height:200px;overflow-y:auto;border:1px solid var(--border);border-radius:var(--radius-sm)}.admin-user-item{display:flex;align-items:center;gap:8px;padding:10px 12px;cursor:pointer;border-bottom:1px solid var(--border);transition:background .15s}.admin-user-item:last-child{border-bottom:none}.admin-user-item:hover{background:var(--bg-primary)}.admin-user-item.selected{background:var(--accent);color:#fff}.admin-user-item.selected .admin-user-id,.admin-user-item.selected .admin-user-no-email{color:#fffc}.admin-user-name{font-size:14px;font-weight:600}.admin-user-id{font-size:12px;color:var(--text-muted)}.admin-user-no-email{margin-left:auto;font-size:11px;color:var(--accent);background:#e8725a1a;padding:2px 6px;border-radius:4px}.admin-reset-form{margin-top:8px}.admin-reset-target{margin-bottom:6px}.admin-reset-btn{margin-top:8px;width:100%}.admin-password-row{display:flex;gap:8px;align-items:center}.admin-password-row .input-name{flex:1}.admin-generate-btn{white-space:nowrap;padding:8px 12px;font-size:12px;border-radius:var(--radius-sm)}.admin-reset-result{margin-top:8px;padding:10px 12px;background:#e8725a14;border:1px solid var(--accent);border-radius:var(--radius-sm);cursor:pointer;transition:background .15s}.admin-reset-result:hover{background:#e8725a26}.admin-reset-status{color:var(--accent);font-weight:600;word-break:break-all}.admin-reset-copy-hint{display:block;font-size:11px;color:var(--text-muted);margin-top:4px}.select-mode-btn{display:block;margin-left:auto;margin-bottom:8px;padding:6px 16px;border:1px solid var(--border);border-radius:20px;background:var(--bg-secondary);color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.select-mode-btn:hover{border-color:var(--accent);color:var(--accent)}.select-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;padding:12px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border);position:sticky;top:61px;z-index:99}.select-toolbar-close{width:36px;height:36px;border:none;background:none;font-size:18px;cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-primary);transition:background .2s}.select-toolbar-close:hover{background:var(--border)}.select-toolbar-count{font-size:16px;font-weight:600;color:var(--text-primary);flex:1}.select-toolbar-actions{display:flex;flex-wrap:wrap;gap:8px}.select-toolbar-btn{padding:8px 16px;border:1px solid var(--border);border-radius:20px;background:var(--bg-primary);color:var(--text-secondary);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}.select-toolbar-btn:hover{border-color:var(--accent);color:var(--accent)}.select-toolbar-btn.danger{background:#e53e3e;color:#fff;border-color:#e53e3e}.select-toolbar-btn.danger:hover{background:#c53030;border-color:#c53030}.select-toolbar-btn:disabled{opacity:.4;cursor:not-allowed}.bulk-album-picker-overlay{position:fixed;inset:0;background:#00000080;z-index:200;display:flex;align-items:center;justify-content:center}.bulk-album-picker{background:var(--bg-primary);border-radius:16px;width:320px;max-height:70vh;display:flex;flex-direction:column;box-shadow:0 8px 32px #0003}.bulk-album-picker-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);font-size:16px;font-weight:600;color:var(--text-primary)}.bulk-album-picker-close{width:32px;height:32px;border:none;background:none;font-size:16px;cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:background .2s}.bulk-album-picker-close:hover{background:var(--border)}.bulk-album-picker-list{overflow-y:auto;padding:8px 0}.bulk-album-picker-item{display:flex;align-items:center;gap:12px;width:100%;padding:12px 20px;border:none;background:none;cursor:pointer;color:var(--text-primary);font-size:15px;text-align:left;transition:background .15s}.bulk-album-picker-item:hover{background:var(--bg-secondary)}.bulk-album-picker-icon{font-size:20px;flex-shrink:0}.bulk-album-picker-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.photo-cell.select-mode{position:relative}.photo-cell.selected{outline:3px solid var(--accent);outline-offset:-3px}.photo-cell.selected img{opacity:.7}.select-check{position:absolute;top:6px;right:6px;width:24px;height:24px;border-radius:50%;border:2px solid #fff;background:#0000004d;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;z-index:1;transition:all .15s}.select-check.active{background:var(--accent);border-color:var(--accent)}.shared-banner{display:flex;align-items:center;gap:8px;padding:10px 20px;background:#ebf8ff;border-bottom:1px solid #90cdf4;font-size:15px}html.dark .shared-banner{background:#1a365d;border-bottom-color:#2b6cb0}.shared-banner-icon{font-size:20px;line-height:normal}.shared-banner-text{flex:1;color:#2b6cb0;font-weight:600}html.dark .shared-banner-text{color:#90cdf4}.shared-banner-hint{font-size:13px;color:#4a5568;background:#0000000f;padding:2px 10px;border-radius:12px;font-weight:500}html.dark .shared-banner-hint{color:#a0aec0;background:#ffffff1a}.email-reminder-banner{display:flex;align-items:center;gap:10px;padding:10px 20px;background:#fffbeb;border-bottom:1px solid #f6c547;font-size:14px;flex-wrap:wrap}html.dark .email-reminder-banner{background:#44370a;border-bottom-color:#b7791f}.email-reminder-text{flex:1;color:#744210;font-weight:500;min-width:200px}html.dark .email-reminder-text{color:#fbd38d}.email-reminder-actions{display:flex;gap:8px}.email-reminder-btn{padding:4px 14px;border-radius:6px;font-size:13px;font-weight:600;background:var(--accent);color:#fff;border:none;cursor:pointer}.email-reminder-dismiss{padding:4px 10px;border-radius:6px;font-size:13px;background:transparent;color:#a0855c;border:1px solid #d4a850;cursor:pointer}html.dark .email-reminder-dismiss{color:#d4a850;border-color:#b7791f}.category-divider{display:flex;align-items:center;color:var(--border);font-size:20px;padding:0 4px;flex-shrink:0;-webkit-user-select:none;user-select:none}.shared-tab{position:relative;border-style:solid!important;border-color:#90cdf4!important;background:#ebf8ff!important;color:#2b6cb0!important}html.dark .shared-tab{border-color:#2b6cb0!important;background:#1a365d!important;color:#90cdf4!important}.shared-tab.active{background:#3182ce!important;color:#fff!important;border-color:#3182ce!important}html.dark .shared-tab.active{background:#2b6cb0!important;border-color:#2b6cb0!important}.shared-badge{font-size:10px;font-weight:700;background:#3182ce26;color:#2b6cb0;padding:1px 6px;border-radius:8px;margin-left:4px;line-height:normal}.shared-tab.active .shared-badge{background:#ffffff40;color:#fff}html.dark .shared-badge{background:#90cdf426;color:#90cdf4}html.dark .shared-tab.active .shared-badge{background:#fff3;color:#fff}.share-action-bar{display:flex;justify-content:center;padding:8px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.share-manage-btn{display:flex;align-items:center;gap:6px;padding:8px 20px;border:1px solid var(--border);border-radius:20px;background:var(--bg-primary);color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.share-manage-btn:hover{border-color:#3182ce;color:#3182ce}.share-dialog{background:var(--bg-secondary);border-radius:var(--radius);padding:28px;width:100%;max-width:400px;box-shadow:var(--shadow-lg);max-height:calc(100vh - 40px);overflow-y:auto}.share-dialog h3{font-size:var(--font-size-lg);margin-bottom:8px;text-align:center}.share-dialog-album-name{font-size:16px;text-align:center;color:var(--text-secondary);margin-bottom:20px}.share-invite-section{margin-bottom:20px}.share-invite-label{font-size:14px;font-weight:600;color:var(--text-muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}.share-invite-row{display:flex;gap:8px}.share-invite-input{flex:1;margin-bottom:0!important}.share-invite-btn{flex-shrink:0;padding:14px 20px!important}.share-error{color:#e53e3e;font-size:14px;font-weight:500;margin-top:8px}.share-loading{text-align:center;font-size:15px;color:var(--text-muted);padding:16px}.share-empty{text-align:center;font-size:15px;color:var(--text-muted);padding:16px;margin-bottom:16px}.share-list-section{margin-bottom:20px}.share-list-label{font-size:14px;font-weight:600;color:var(--text-muted);margin-bottom:10px;text-transform:uppercase;letter-spacing:.05em}.share-list{display:flex;flex-direction:column;gap:8px}.share-list-item{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm)}.share-list-user{display:flex;flex-direction:column;gap:2px;min-width:0}.share-list-name{font-size:15px;font-weight:600;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.share-list-username{font-size:13px;color:var(--text-muted)}.share-revoke-btn{flex-shrink:0;padding:6px 14px;border:1px solid #e53e3e;border-radius:16px;background:none;color:#e53e3e;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s}.share-revoke-btn:hover{background:#e53e3e;color:#fff}@media(min-width:480px){.photo-grid{grid-template-columns:repeat(4,1fr)}}@media(min-width:768px){.app{max-width:900px}.photo-grid{gap:6px}.viewer-content{max-width:900px}}@media(min-width:1024px){.app{max-width:1200px}.photo-grid{grid-template-columns:repeat(5,1fr);gap:8px}.viewer-content{max-width:1100px}}@media(min-width:1440px){.app{max-width:1400px}.photo-grid{grid-template-columns:repeat(6,1fr)}.viewer-content{max-width:1300px}}@media(max-width:480px){.picker-thumb{width:48px;height:48px}.picker-strip{gap:6px;padding:6px 12px}.category-add-dialog{padding:20px}.album-toggle{padding:6px 12px;font-size:14px}.album-toggle-check{width:14px;font-size:12px}.viewer-menu-albums{gap:6px}.select-toolbar{gap:6px 10px;padding:10px 14px}.select-toolbar-count{font-size:14px}.select-toolbar-actions{width:100%}.select-toolbar-btn{padding:6px 12px;font-size:13px}}@media(max-width:375px){.category-tab{padding:8px 14px;font-size:14px}.category-tab.add-tab{padding:8px 12px;font-size:18px}.empty-icon{font-size:48px}.icon-picker{gap:6px}.icon-option{font-size:20px}.picker-select-btn{padding:10px 24px;font-size:15px}.category-add-dialog{padding:16px}.category-add-dialog h3{font-size:18px;margin-bottom:14px}.album-toggle{padding:5px 10px;font-size:13px;gap:4px}.select-toolbar-btn{padding:5px 10px;font-size:12px}}.toast{position:fixed;bottom:100px;left:50%;transform:translate(-50%);background:var(--text-primary);color:var(--bg-primary);padding:12px 24px;border-radius:24px;font-size:15px;font-weight:500;box-shadow:var(--shadow-lg);z-index:500;animation:toast-in .3s ease-out;pointer-events:none;white-space:nowrap}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(12px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@media(max-width:360px){:root{--font-size-base: 16px}.fab{padding:14px 24px}}@media(min-width:768px){.viewer-menu{max-height:50vh}.viewer-menu .memo-input{min-height:200px}}.legal-page{max-width:600px;margin:0 auto;padding:24px 20px 48px;min-height:100dvh;background:var(--bg-primary)}.legal-header{margin-bottom:32px}.legal-back{display:inline-block;font-size:15px;color:var(--text-secondary);text-decoration:none;margin-bottom:20px;transition:color .2s}.legal-back:hover{color:var(--accent)}.legal-title{font-size:var(--font-size-xl);font-weight:800;color:var(--text-primary);margin-bottom:8px}.legal-updated{font-size:14px;color:var(--text-muted)}.legal-content{line-height:1.8}.legal-section{margin-bottom:28px}.legal-section h2{font-size:var(--font-size-lg);font-weight:700;color:var(--text-primary);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.legal-section p{font-size:15px;color:var(--text-secondary);margin-bottom:12px}.legal-section ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}.legal-section ul li{font-size:15px;color:var(--text-secondary);padding-left:20px;position:relative}.legal-section ul li:before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--accent)}.legal-footer-nav{margin-top:40px;padding-top:20px;border-top:1px solid var(--border);display:flex;justify-content:center;gap:24px;font-size:14px}.legal-footer-nav a{color:var(--text-muted);text-decoration:none;transition:color .2s}.legal-footer-nav a:hover{color:var(--accent)}.sitemap-list{gap:12px!important}.sitemap-list li{display:flex;flex-direction:column;gap:2px;padding:12px 16px 12px 20px!important;background:var(--bg-secondary);border-radius:var(--radius-sm);border:1px solid var(--border)}.sitemap-list li:before{top:20px!important}.sitemap-list a{font-size:16px;font-weight:600;color:var(--accent);text-decoration:none}.sitemap-list a:hover{text-decoration:underline}.sitemap-desc{font-size:13px;color:var(--text-muted)}