:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f6f7f4;color:#202523;--line: #d9ded5;--panel: #ffffff;--muted: #68736d;--ink: #202523;--accent: #0f766e;--accent-soft: #d8eee9;--warn: #a33a32;--shadow: 0 10px 30px rgba(31, 45, 40, .08)}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}.app-shell{width:min(1440px,100%);margin:0 auto;padding:24px}.topbar,.viewer-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:20px}.topbar h1,.viewer-header h1{margin:0;font-size:26px;line-height:1.2;letter-spacing:0}.viewer-header h1{max-width:min(72vw,920px);overflow-wrap:anywhere;font-size:20px}.eyebrow{margin:0 0 4px;color:var(--muted);font-size:13px}.top-actions,.toolbar{display:flex;align-items:center;gap:10px}.toolbar{position:sticky;top:0;z-index:4;flex-wrap:wrap;padding:12px 0 18px;background:#f6f7f4}.icon-button,.text-button,.delete-button,.nav-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;min-width:42px;height:42px;color:var(--ink);background:var(--panel)}.text-button{gap:8px;width:auto;padding:0 14px}.icon-button:hover,.text-button:hover,.delete-button:hover,.nav-button:hover{border-color:#9fb4ad}.danger,.delete-button{color:var(--warn)}.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:4px}.breadcrumb button{border:0;border-radius:6px;padding:8px 9px;color:var(--muted);background:transparent}.breadcrumb button.current{color:var(--ink);background:var(--accent-soft)}.search-box{display:flex;align-items:center;gap:8px;height:42px;min-width:min(340px,100%);padding:0 12px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}.search-box input{width:100%;border:0;outline:0;background:transparent}select{height:42px;border:1px solid var(--line);border-radius:8px;padding:0 10px;color:var(--ink);background:var(--panel)}.notice{margin:22px 0;color:var(--muted)}.notice.error{color:var(--warn)}.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;align-items:stretch}.media-card{position:relative;display:flex;flex-direction:column;gap:8px;min-height:236px;border:1px solid var(--line);border-radius:8px;padding:10px;text-align:left;color:inherit;background:var(--panel);box-shadow:var(--shadow)}button.media-card{width:100%}.open-item{display:flex;flex:1;flex-direction:column;gap:8px;border:0;padding:0;text-align:left;color:inherit;background:transparent}.thumb{width:100%;aspect-ratio:4 / 3;border-radius:6px;object-fit:cover;background:#e8ece4}.thumb.placeholder{display:grid;place-items:center;color:#56645e}.thumb.folder{color:var(--accent);background:var(--accent-soft)}.item-title{display:-webkit-box;min-height:42px;overflow:hidden;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow-wrap:anywhere;line-height:1.35}.item-meta{color:var(--muted);font-size:12px}.delete-button{position:absolute;right:10px;bottom:10px;width:36px;height:36px;min-width:36px;background:#fffffff0}.viewer-shell{display:flex;min-height:100dvh;flex-direction:column;padding:18px 22px;background:#111615;color:#f6f7f4}.viewer-shell .eyebrow{color:#a9b5b0}.viewer-shell .icon-button{border-color:#303936;color:#f6f7f4;background:#1c2320}.viewer-stage{position:relative;display:grid;flex:1;place-items:center;min-height:0}.viewer-image,.viewer-video{max-width:100%;max-height:calc(100dvh - 110px);border-radius:6px}.viewer-video{width:min(1120px,100%);background:#000}.nav-button{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:56px;border-color:#303936;color:#f6f7f4;background:#1c2320db}.nav-button.left{left:0}.nav-button.right{right:0}.center-message{display:grid;min-height:100dvh;place-items:center;padding:24px;color:var(--muted)}@media(max-width:720px){.app-shell{padding:16px}.topbar,.viewer-header{align-items:flex-start}.toolbar{align-items:stretch}.search-box{flex:1 1 100%}.media-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.media-card{min-height:214px;padding:8px}.item-title{min-height:38px;font-size:14px}.viewer-shell{padding:12px}.viewer-header h1{max-width:58vw;font-size:16px}.nav-button{width:42px;height:52px}}