/* Tailwind CDN removed for startup perf — only 4 flex classes were used, replicated below */
  .flex-1 { flex:1 1 0%; }
  .min-w-0 { min-width:0; }

  :root {
    --bg:      #faf6ee;
    --card:    #ffffff;
    --amber:   #F0A028;
    --amber-d: #c8841a;
    --amber-l: #fff8ed;
    --sage:    #6e8b6a;
    --sage-l:  #e8f2e6;
    --text:    #2c2416;
    --text-2:  #8a7c6b;
    --text-3:  #8a7c6b;
    --border:  #ede4d4;
    --danger:  #e0584f;
    --danger-d:#c8453d;
    --shadow:  0 1px 2px rgba(0,0,0,.02), 0 4px 16px rgba(0,0,0,.035);
    --radius:  26px;
    --glass-shadow: 0 1px 0 rgba(255,255,255,.85) inset, 0 8px 32px rgba(0,0,0,.07), 0 0 0 .5px rgba(255,255,255,.35);
  }

  * { -webkit-tap-highlight-color:transparent; -webkit-font-smoothing:antialiased; }
  img { -webkit-touch-callout:none; -webkit-user-select:none; user-select:none; }
  html, body { overflow:hidden; width:100%; height:var(--app-h, 100dvh); margin:0; padding:0; }
  body { font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display','PingFang SC','Noto Sans SC',sans-serif; background:linear-gradient(180deg,#e0d8cc 0%,#e8e0d4 35%,#f0e8dc 65%,#f5eee4 100%); margin:0; padding:0; -webkit-font-smoothing:antialiased; overscroll-behavior:none; }

  .app { display:flex; flex-direction:column; max-width:430px; margin:0 auto; height:var(--app-h, 100dvh); background:var(--bg); position:relative; overflow-x:hidden; box-shadow:0 0 120px rgba(0,0,0,.04);
    /* subtle texture for glass blur to pick up */
    background-image:
      url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cg fill='%23b89a6a' fill-opacity='0.06'%3E%3Cellipse cx='60' cy='74' rx='19' ry='15'/%3E%3Ccircle cx='39' cy='53' r='7'/%3E%3Ccircle cx='53' cy='43' r='7.5'/%3E%3Ccircle cx='69' cy='43' r='7.5'/%3E%3Ccircle cx='83' cy='53' r='7'/%3E%3C/g%3E%3C/svg%3E"),
      radial-gradient(ellipse at 15% 20%, rgba(200,180,150,.18) 0%, transparent 55%),
      radial-gradient(ellipse at 85% 75%, rgba(180,160,130,.14) 0%, transparent 55%),
      radial-gradient(ellipse at 50% 50%, rgba(220,200,170,.08) 0%, transparent 70%);
    background-size: 120px 120px, 100% 100%, 100% 100%, 100% 100%;
    background-repeat: repeat, no-repeat, no-repeat, no-repeat;
    background-position: center;
  }
  .app-content { flex:1; overflow-y:auto; -webkit-overflow-scrolling:touch; min-height:0; }

  /* ─── header ─── */
  .header { position:sticky; top:0; z-index:50; background:rgba(250,246,238,.88); backdrop-filter:blur(32px) saturate(1.6); -webkit-backdrop-filter:blur(32px) saturate(1.6); padding:8px 12px; padding-top:calc(8px + env(safe-area-inset-top, 0px)); border-bottom:0.5px solid rgba(0,0,0,.05); }
  .header-cards { display:flex; gap:7px; margin-bottom:5px; }
  .hdr-card { flex:1; min-width:0; background:#fff; border-radius:12px; border:0.5px solid var(--border); padding:6px 4px 5px; text-align:center; transition:background .15s; }
  .hdr-card-weather { border-color:#c8dfe8; background:#f4faff; }
  .hdr-card-label { font-size:9px; color:var(--text-3); margin-bottom:1px; line-height:1.3; }
  .hdr-card-value { font-size:15px; font-weight:700; color:var(--text); line-height:1.3; }
  .hdr-card-sub { font-size:10px; color:var(--text-2); margin-top:1px; line-height:1.35; display:flex; align-items:center; justify-content:center; gap:2px; }
  .hdr-card-amber { color:var(--amber-d); }
  .header-date { text-align:center; font-size:12px; color:var(--text-2); font-weight:500; }
  .hdr-refresh { 
    position:absolute; right:8px; top:50%; transform:translateY(-50%);
    border:none;background:none;padding:4px;
    font-size:12px;color:var(--text-3);cursor:pointer;
    font-family:inherit;line-height:inherit;
    -webkit-tap-highlight-color:transparent;
    opacity:.5;transition:opacity .15s;z-index:2;
  }
  .hdr-refresh:active { opacity:1; }
  .hdr-refresh.spinning { opacity:1; color:var(--amber); pointer-events:none; }
  /* narrow screen fallback: shrink cards */
  @media (max-width:340px){
    .hdr-card { padding:5px 3px 4px; }
    .hdr-card-value { font-size:13px; }
    .hdr-card-sub { font-size:9px; }
    .hdr-card-label { font-size:8px; }
  }

  /* ─── user chip ─── */
  .user-wrap { position:relative; }
  .user-chip { display:flex; align-items:center; gap:6px; padding:6px 14px 6px 5px; border-radius:100px; background:#fff; border:1px solid var(--border); font-size:13px; color:var(--text-2); cursor:pointer; transition:.2s; user-select:none; }
  .user-chip:active { background:var(--bg); border-color:var(--amber); }
  .user-avatar { width:28px; height:28px; border-radius:50%; background:linear-gradient(135deg,var(--amber),#fcc840); display:flex; align-items:center; justify-content:center; font-size:12px; color:#fff; font-weight:700; }
  .user-dropdown { position:absolute; top:calc(100% + 6px); right:0; background:#fff; border-radius:14px; box-shadow:0 8px 32px rgba(0,0,0,.1); padding:4px; min-width:130px; opacity:0; pointer-events:none; transform:translateY(-6px); transition:.2s; z-index:60; }
  .user-dropdown.open { opacity:1; pointer-events:auto; transform:translateY(0); }
  .user-dropdown-item { padding:10px 14px; border-radius:10px; font-size:14px; cursor:pointer; transition:.15s; display:flex; align-items:center; gap:8px; color:var(--text-2); }
  .user-dropdown-item:active { background:var(--amber-100); }
  .user-dropdown-item.active { background:#fff3e0; font-weight:600; color:var(--amber-d); }

  /* ─── pill tabs ─── */
  .pill-tabs { display:flex; gap:8px; padding:0 20px; margin-bottom:14px; overflow-x:auto; -webkit-overflow-scrolling:touch; }
  .pill-tabs::-webkit-scrollbar { display:none; }
  .pill-tab { flex-shrink:0; padding:7px 16px; border-radius:100px; font-size:13px; font-weight:600; color:var(--text-3); background:transparent; border:none; cursor:pointer; transition:.2s; white-space:nowrap; }
  .pill-tab.active { background:var(--text); color:#fff; }
  .pill-tab:active:not(.active) { background:rgba(0,0,0,.04); }

  /* ─── cat card ─── */
  .cat-card { background:rgba(255,255,255,.62); backdrop-filter:blur(20px) saturate(1.3); -webkit-backdrop-filter:blur(20px) saturate(1.3); border-radius:24px; box-shadow:var(--glass-shadow); overflow:hidden; margin-bottom:14px; transition:box-shadow .25s,transform .2s; }
  .cat-card:active { box-shadow:0 1px 0 rgba(255,255,255,.7) inset, 0 2px 12px rgba(0,0,0,.06); transform:scale(.993); }

  .cat-card-hd { display:flex; align-items:center; gap:8px; padding:16px 14px; cursor:pointer; user-select:none; }
  .cat-card-hd:active { background:#faf9f5; }
  .cat-avatar-wrap { width:72px; height:72px; border-radius:20px; flex-shrink:0; overflow:hidden; position:relative; box-shadow:0 2px 8px rgba(0,0,0,.06); }
  .cat-avatar-img { width:100%; height:100%; object-fit:cover; object-position:50% 12%; display:block; }
  .cat-avatar-fallback { width:100%; height:100%; display:none; align-items:center; justify-content:center; font-size:28px; font-weight:700; color:rgba(255,255,255,.8); }
  .cat-name { font-size:18px; font-weight:700; color:var(--text); letter-spacing:-.3px; line-height:1.3; }
  .cat-subtitle { font-size:13px; color:var(--text-2); line-height:1.4; margin-top:2px; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }
  .cat-progress { font-size:18px; font-weight:800; flex-shrink:0; white-space:nowrap; }
  .cat-potty-hint { font-size:11px; color:var(--text-3); display:inline-flex; align-items:center; gap:2px; white-space:nowrap; margin-left:4px; }
  .cat-card-right { display:flex; align-items:center; gap:2px; flex-shrink:0; }

  .progress-badge { flex-shrink:0; text-align:right; font-size:20px; font-weight:800; color:var(--text); }
  .progress-count { font-size:20px; font-weight:800; line-height:1; }
  .progress-label { font-size:12px; color:var(--text-3); font-weight:500; margin-top:2px; }
  #page-dashboard .progress-label { display:none; }
  #page-dashboard .progress-badge { font-size:20px; font-weight:800; }

  .progress-bar-wrap { padding:0 14px 10px; display:flex; align-items:center; gap:8px; }
  .progress-bar { flex:1; height:4px; background:#f2eade; border-radius:10px; overflow:hidden; }
  .progress-bar-fill { height:100%; background:linear-gradient(90deg,#8db88a,var(--sage)); border-radius:10px; transition:width .5s cubic-bezier(.16,1,.3,1); }
  .progress-bar-pct { font-size:12px; color:var(--text-3); font-weight:600; min-width:34px; text-align:right; }
  #page-dashboard .progress-bar-pct { display:none; }

  /* ─── cat notes ─── */
  .cat-notes { padding:0 14px 8px; }
  .cat-notes-inner { font-size:13px; color:var(--text-2); line-height:1.55; }

  /* pee/poop counter */
  .potty-row { display:flex; align-items:center; justify-content:space-between; padding:0 14px 12px; }
  .potty-item { display:flex; align-items:center; gap:4px; font-size:12px; color:var(--text-2); }
  .potty-item .potty-label { color:var(--text-3); font-weight:500; }
  .potty-item .potty-count { font-size:15px; font-weight:700; color:var(--text); min-width:16px; text-align:center; }
  .potty-btn { width:22px; height:22px; border-radius:50%; border:1.5px solid var(--border); background:#fff; font-size:14px; color:var(--text-3); cursor:pointer; display:flex; align-items:center; justify-content:center; transition:.15s; line-height:1; padding:0; }
  .potty-btn:active { background:var(--amber-l); border-color:var(--amber); color:var(--amber-d); }
  .potty-icon { font-size:14px; }

  /* daily note */
  .note-row { padding:4px 4px 8px; }
  .note-preview { display:inline-flex; align-items:center; gap:4px; font-size:12px; color:var(--sage); cursor:pointer; padding:6px 12px; border:1px solid #c5e0b0; border-radius:8px; background:#f5faf0; font-weight:500; transition:all .15s; }
  .note-preview:hover { background:#e8f2e6; border-color:var(--sage); }
  .note-expand { padding:0 4px 8px; }
  .note-textarea { width:100%; padding:8px 10px; border:1px solid var(--border); border-radius:10px; font-size:12px; font-family:inherit; resize:vertical; min-height:50px; background:#fdfcf8; }
  .note-textarea:focus { outline:none; border-color:var(--sage); }
  .note-files { display:flex; flex-wrap:wrap; gap:4px; margin-top:6px; }
  .note-thumb { width:44px; height:44px; border-radius:8px; object-fit:cover; cursor:pointer; border:1px solid #eee; }
  .note-thumb-inline { width:28px; height:28px; border-radius:5px; object-fit:cover; cursor:pointer; border:1px solid #ddd; }
  .note-upload-btn { font-size:11px; padding:5px 12px; border:1px solid #c5e0b0; border-radius:8px; background:#f5faf0; color:var(--sage); cursor:pointer; font-family:inherit; margin-top:4px; font-weight:500; transition:all .15s; }
  .note-upload-btn:hover { background:#e8f2e6; border-color:var(--sage); }
  .note-save-btn { font-size:11px; padding:5px 12px; border:none; border-radius:8px; background:var(--sage); color:#fff; cursor:pointer; font-family:inherit; font-weight:600; transition:all .15s; margin-left:6px; height:30px; }
  .note-save-btn:hover { background:#5c7a58; }

  /* health record file chip + preview viewer */
  .health-file-chip { display:inline-flex; align-items:center; gap:4px; padding:5px 10px; border-radius:8px; background:#fff; font-size:11px; color:var(--text); border:1px solid var(--border); cursor:pointer; transition:all .15s; }
  .health-file-chip:hover { border-color:var(--sage); background:#f5faf0; }
  .file-viewer { position:fixed; inset:0; z-index:1300; display:none; align-items:center; justify-content:center; background:rgba(40,33,24,.62); backdrop-filter:blur(4px); }
  .file-viewer.open { display:flex; }
  .file-viewer-backdrop { position:absolute; inset:0; }
  .file-viewer-panel { position:relative; width:min(92vw,880px); height:min(86vh,760px); background:#fff; border-radius:14px; overflow:hidden; display:flex; flex-direction:column; box-shadow:0 24px 70px rgba(0,0,0,.4); }
  .file-viewer-header { display:flex; align-items:center; justify-content:space-between; gap:10px; padding:10px 14px; border-bottom:1px solid #eee; background:#fafafa; flex-shrink:0; }
  .file-viewer-name { font-size:13px; font-weight:600; color:#3d3328; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .file-viewer-dl { font-size:12px; color:var(--sage); text-decoration:none; padding:5px 12px; border-radius:8px; background:#eef5ea; margin-right:4px; }
  .file-viewer-dl:hover { background:#e3eede; }
  .file-viewer-close { border:none; background:#eee; width:32px; height:32px; border-radius:9px; font-size:16px; cursor:pointer; color:#555; flex-shrink:0; }
  .file-viewer-close:hover { background:#e2e2e2; }
  .file-viewer-body { flex:1; display:flex; min-height:0; background:#f3f1ec; position:relative; }
  .file-viewer-frame, .file-viewer-img { flex:1; width:100%; border:none; background:#fff; object-fit:contain; }
  .pdf-layer { position:absolute; inset:0; overflow:auto; -webkit-overflow-scrolling:touch; background:#fff; padding:12px; display:none; }
  .pdf-zoom { transform-origin:top center; will-change:transform; }
  .pdf-loading, .pdf-fallback { display:flex; align-items:center; justify-content:center; min-height:240px; text-align:center; color:#8a8a8a; font-size:14px; padding:20px; line-height:1.7; }
  /* attachment load progress overlay */
  .file-loading { position:absolute; inset:0; display:none; flex-direction:column; align-items:center; justify-content:center; gap:12px; background:#f3f1ec; z-index:5; }
  .file-loading.show { display:flex; }
  .fl-label { font-size:13px; color:#8a8a8a; }
  .fl-bar { width:min(70%,300px); height:8px; border-radius:6px; background:#e2ddd2; overflow:hidden; }
  .fl-fill { height:100%; width:0; border-radius:6px; background:linear-gradient(90deg,#7fae5a,#a7cf7e); transition:width .15s linear; }
  .fl-pct { font-size:12px; color:var(--sage); font-weight:600; font-variant-numeric:tabular-nums; }
  .file-loading.indeterminate .fl-fill { width:40%; animation:fl-indet 1.1s ease-in-out infinite; }
  @keyframes fl-indet { 0%{margin-left:-40%} 100%{margin-left:100%} }

  /* friday weight */
  .weight-input { width:70px; padding:5px 8px; border:1.5px solid #c5e0b0; border-radius:8px; font-size:13px; font-weight:600; font-family:inherit; text-align:center; background:#f5faf0; color:var(--text); line-height:1.4; height:30px; box-sizing:border-box; }
  .weight-input:focus { outline:none; border-color:var(--sage); }
  .weight-input::placeholder { color:var(--text-3); font-weight:400; font-size:11px; }
  .weight-unit { font-size:11px; color:var(--text-3); flex-shrink:0; }
  .weight-save-btn { padding:5px 12px; border:none; border-radius:8px; font-size:11px; font-weight:600; background:var(--sage); color:#fff; cursor:pointer; font-family:inherit; flex-shrink:0; transition:.15s; line-height:1.4; height:30px; box-sizing:border-box; }
  .weight-save-btn:active { background:#6b9e45; }
  .weight-saved { font-size:11px; color:var(--sage); font-weight:600; flex-shrink:0; }

  .cat-card-body { display:none; padding:6px 14px 16px; border-top:0.5px solid var(--border); }
  .cat-card-body.open { display:block; animation:slideDown .3s ease; }
  .tasks-grid { display:grid; grid-template-columns:1fr 1fr; gap:4px 8px; }
  @keyframes slideDown { from{opacity:0;transform:translateY(-10px)} to{opacity:1;transform:translateY(0)} }

  /* ─── task row ─── */
  .task-row { display:flex; align-items:center; gap:12px; padding:10px 4px; border-radius:10px; cursor:pointer; transition:background .15s; min-width:0; -webkit-tap-highlight-color:transparent; }
  .task-row:active { background:#faf8f3; }
  .task-icon { width:32px; height:32px; border-radius:10px; display:flex; align-items:center; justify-content:center; flex-shrink:0; font-size:15px; }
  .task-icon svg { width:18px; height:18px; display:block; }
  .tasks-grid .task-icon { display:none; }
  .svg-ic { width:16px; height:16px; fill:none; stroke:#5c7a52; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; flex-shrink:0; vertical-align:-3px; }
  .hdr-ic { width:11px; height:11px; flex-shrink:0; }
  .ht-section-title .svg-ic { width:18px; height:18px; }
  .task-info { flex:1; min-width:0; overflow:hidden; }
  .task-label { font-size:14px; font-weight:500; color:var(--text); line-height:1.3; }
  .task-meta { font-size:12px; color:var(--text-3); margin-top:3px; line-height:1.45; display:flex; flex-direction:column; align-items:flex-start; }
  .dose-text { font-size:11px; opacity:0.65; font-weight:400; }
  .week-count { font-size:11px; align-self:flex-end; white-space:nowrap; color:var(--sage); font-weight:600; }
  .week-none-chip { font-size:11px; font-weight:600; color:#c87a1a; white-space:nowrap; align-self:flex-end; }
  .task-tag { display:inline-block; padding:1px 8px; border-radius:6px; font-size:11px; font-weight:600; }
  .task-tag.daily { background:#ecf5ea; color:var(--sage); }
  .task-tag.warning { background:#fff3e0; color:var(--amber-d); }

    ul,ol { list-style:none; padding:0; margin:0; }
  .task-check { width:24px; height:24px; border-radius:8px; border:2px solid #cfc5b5; flex-shrink:0; display:flex; align-items:center; justify-content:center; transition:.2s cubic-bezier(.16,1,.3,1); background:#fff; }
  .task-check.checked { background:var(--sage); border-color:var(--sage); background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:center; background-size:14px 14px; }
  .task-row.just-checked .task-check { animation:checkPulse .4s ease; }
  @keyframes checkPulse { 0%{box-shadow:0 0 0 0 rgba(110,139,106,.4)} 100%{box-shadow:0 0 0 10px rgba(110,139,106,0)} }

  .task-row.done .task-label { color:var(--text-3); text-decoration:line-through; text-decoration-color:#e0d5c5; }
  .task-row.done .task-meta { color:#d5cdc0; }

  /* house sub-item row — compact, inline */
  .house-sub { flex-direction:row; align-items:center; width:auto; cursor:pointer; }
  .house-sub:active { opacity:.7; }

  /* ── Inventory Checklist ── */
  .inv-section-divider { display:flex; align-items:center; gap:12px; margin:8px 0 10px; padding:0 4px; }
  .inv-section-divider::before,.inv-section-divider::after { content:''; flex:1; height:1px; background:var(--border); }
  .inv-section-divider-text { font-size:15px; color:var(--sage); font-weight:700; white-space:nowrap; }
  .inv-card { background:linear-gradient(135deg,#fdfbf7 0%,#faf6ee 100%); border-radius:var(--radius); box-shadow:0 2px 12px rgba(180,140,80,.06); margin-bottom:12px; overflow:hidden; border:1px solid #ece3d3; }
  .inv-card-hd { display:flex; align-items:center; justify-content:space-between; padding:12px 14px; border-bottom:1px solid #ece3d3; }
  .inv-card-hd-title { font-size:14px; font-weight:600; color:var(--sage); }
  .inv-add-btn { font-size:12px; padding:5px 14px; border-radius:7px; border:none; background:var(--sage); color:#fff; cursor:pointer; font-weight:600; white-space:nowrap; transition:all .15s; }
  .inv-add-btn:hover { background:#5c7a58; }
  .inv-add-form { display:none; padding:14px; border-bottom:1px solid #ece3d3; background:#faf7f0; }
  .inv-add-form.show { display:block; }
  .inv-add-form textarea { width:100%; min-height:64px; padding:10px 12px; border-radius:10px; border:1px solid var(--border); font-size:13px; resize:vertical; background:var(--bg); font-family:inherit; box-sizing:border-box; }
  .inv-add-form textarea:focus { outline:none; border-color:var(--sage); }
  .inv-add-form-row { display:flex; align-items:center; gap:8px; margin-top:10px; }
  .inv-add-form select { padding:7px 10px; border-radius:8px; border:1px solid var(--border); font-size:13px; background:var(--bg); }
  .inv-add-submit { font-size:12px; padding:6px 18px; border-radius:8px; border:none; background:var(--sage); color:#fff; cursor:pointer; font-weight:600; }
  .inv-add-cancel { font-size:12px; padding:6px 14px; border-radius:8px; border:none; background:inherit; color:var(--text-2); cursor:pointer; }
  .inv-empty { padding:32px 14px; text-align:center; color:var(--text-3); font-size:13px; }
  .inv-item { display:flex; align-items:flex-start; gap:10px; padding:13px 14px; border-bottom:1px solid var(--border); transition:background .15s; }
  .inv-item:last-child { border-bottom:none; }
  .inv-item.completed { background:rgba(139,195,74,.04); }
  .inv-check { width:22px; height:22px; border-radius:50%; border:2px solid var(--border); flex-shrink:0; cursor:pointer; display:flex; align-items:center; justify-content:center; transition:all .2s; margin-top:1px; }
  .inv-check.checked { background:var(--sage); border-color:var(--sage); }
  .inv-check.checked::after { content:'✓'; font-size:12px; font-weight:700; color:#fff; }
  .inv-body { flex:1; min-width:0; }
  .inv-cat-tag { display:inline-block; font-size:10px; padding:2px 7px; border-radius:5px; margin-bottom:4px; font-weight:600; letter-spacing:.3px; }
  .inv-content { font-size:13px; color:var(--text); white-space:pre-wrap; word-break:break-word; line-height:1.5; }
  .inv-content a { color:var(--sage); text-decoration:underline; word-break:break-all; }
  .inv-amount-row { display:flex; align-items:center; gap:6px; margin-top:8px; }
  .inv-amount-row input { width:66px; padding:4px 6px; border-radius:6px; border:1px solid var(--border); font-size:12px; text-align:right; background:var(--bg); }
  .inv-amount-row span { font-size:12px; color:var(--text-3); }
  .inv-del { width:24px; height:24px; border-radius:5px; border:none; background:transparent; color:var(--text-3); cursor:pointer; font-size:13px; flex-shrink:0; opacity:.35; transition:all .15s; display:flex; align-items:center; justify-content:center; }
  .inv-item:hover .inv-del { opacity:.7; }
  .inv-del:hover { background:#fce8e6; color:var(--danger); opacity:1; }
  .inv-meta { font-size:11px; color:var(--text-3); display:flex; align-items:center; gap:6px; flex-wrap:wrap; margin-bottom:4px; }
  .inv-time { display:inline-flex; align-items:center; gap:3px; white-space:nowrap; }

  /* ─── date navigation ─── */
  .date-nav-wrap { padding:8px 16px 10px; }
  .date-nav { display:flex; align-items:center; justify-content:space-between; gap:8px; background:rgba(255,255,255,.55); backdrop-filter:blur(16px) saturate(1.2); -webkit-backdrop-filter:blur(16px) saturate(1.2); border-radius:16px; padding:6px 6px; box-shadow:0 1px 0 rgba(255,255,255,.7) inset, 0 2px 10px rgba(0,0,0,.03); }
  .date-nav-arrow { flex-shrink:0; width:36px; height:36px; border:none; border-radius:10px; background:transparent; color:var(--text-2); font-size:20px; cursor:pointer; display:flex; align-items:center; justify-content:center; transition:.15s; }
  .date-nav-arrow:active { background:rgba(0,0,0,.04); }
  .date-nav-center { flex:1; display:flex; align-items:center; justify-content:center; gap:6px; position:relative; }
  .date-nav-pill { display:flex; align-items:center; gap:5px; padding:10px 18px; border:none; border-radius:12px; background:#fff; font-size:14px; font-weight:700; color:var(--text); cursor:pointer; min-width:120px; justify-content:center; transition:.15s; font-family:inherit; white-space:nowrap; box-shadow:0 2px 8px rgba(0,0,0,.06); }
  .date-nav-pill:active { background:var(--amber-100); box-shadow:0 1px 4px rgba(0,0,0,.04); }
  .date-nav-pill-text { min-width:75px; text-align:center; }
  .date-nav-today { position:absolute; right:0; top:50%; transform:translateY(-50%); z-index:2; border:none; border-radius:10px; background:var(--amber-l); color:var(--amber-d); font-size:12px; font-weight:600; padding:6px 10px; cursor:pointer; font-family:inherit; white-space:nowrap; }
  .date-nav-today:active { background:#fde9c8; }
  .section-header { padding:10px 20px 14px; display:flex; align-items:center; justify-content:space-between; }
  .section-title { font-size:14px; font-weight:600; color:var(--text-2); letter-spacing:.3px; }
  .page-title { font-size:19px; font-weight:800; color:var(--text); letter-spacing:-.3px; text-transform:none; }
  .page-subtitle { font-size:13px; color:var(--text-3); }
  .sort-toggle { border:none; background:#f5f0e8; border-radius:8px; padding:5px 14px; font-size:12px; color:var(--text-2); cursor:pointer; font-weight:600; font-family:inherit; }
  .sort-toggle.active { background:var(--amber-l); color:var(--amber-d); }
  .sort-arrows { display:none; gap:4px; opacity:0; transition:opacity .2s; }
  .sort-arrows.visible { display:flex; opacity:1; pointer-events:auto; }

  /* ─── empty state ─── */
  .empty-state { text-align:center; padding:48px 20px; }
  .empty-icon { font-size:56px; margin-bottom:14px; }
  .empty-text { font-size:16px; color:var(--text-2); font-weight:600; }
  .empty-sub { font-size:13px; color:var(--text-3); margin-top:4px; }

  /* ─── bottom nav ─── */
  .bottom-nav { flex-shrink:0; width:100%; padding:0; background:transparent; z-index:50; }
  .nav-inner { display:flex; gap:0; background:rgba(255,255,255,.9); backdrop-filter:blur(48px) saturate(1.8); -webkit-backdrop-filter:blur(48px) saturate(1.8); border-top:0.5px solid rgba(0,0,0,.06); padding:4px 8px calc(env(safe-area-inset-bottom, 0px) + 2px); width:100%; }
  .nav-item { position:relative; display:flex; flex-direction:column; align-items:center; gap:2px; padding:6px 0 4px; border-radius:8px; cursor:pointer; transition:color .15s; color:#b0a99c; user-select:none; flex:1; }
  .nav-item::before { content:''; position:absolute; top:1px; left:50%; transform:translateX(-50%) scaleX(0); width:20px; height:3px; border-radius:2px; background:var(--amber); transition:transform .2s cubic-bezier(.16,1,.3,1); }
  .nav-item.active::before { transform:translateX(-50%) scaleX(1); }
  .nav-item.active { color:var(--amber); }
  .nav-item:active { color:var(--amber-d); }
  .nav-icon-o { width:22px; height:22px; transition:opacity .15s, transform .2s; }
  .nav-icon-f { width:22px; height:22px; transition:opacity .15s, transform .2s; display:none; }
  .nav-item.active .nav-icon-o { display:none; }
  .nav-item.active .nav-icon-f { display:block; transform:scale(1.08); }
  .nav-label { font-size:11px; font-weight:500; letter-spacing:0; }

  /* ─── button system (UI-10) ─── */
  .btn { display:inline-flex; align-items:center; justify-content:center; gap:6px; font-family:inherit; font-weight:600; font-size:14px; line-height:1.2; padding:9px 18px; border-radius:12px; border:1px solid transparent; cursor:pointer; transition:background .15s, transform .12s, color .15s, box-shadow .15s; white-space:nowrap; user-select:none; -webkit-appearance:none; appearance:none; }
  .btn:active { transform:scale(.97); }
  .btn:focus-visible { outline:2px solid var(--amber); outline-offset:2px; }
  .btn:disabled, .btn[disabled] { opacity:.5; cursor:not-allowed; }
  .btn-primary { background:var(--amber); color:#fff; }
  .btn-primary:hover:not(:disabled) { background:var(--amber-d); }
  .btn-secondary { background:var(--sage); color:#fff; }
  .btn-secondary:hover:not(:disabled) { background:#5c7a58; }
  .btn-ghost { background:transparent; color:var(--text-2); }
  .btn-ghost:hover:not(:disabled) { background:rgba(0,0,0,.05); }
  .btn-outline { background:#fff; color:var(--text); border-color:var(--border); }
  .btn-outline:hover:not(:disabled) { background:var(--bg); }
  .btn-destructive { background:var(--danger); color:#fff; }
  .btn-destructive:hover:not(:disabled) { background:var(--danger-d); }
  .btn-link { background:transparent; color:var(--amber-d); padding:4px 6px; border-radius:8px; }
  .btn-link:hover:not(:disabled) { text-decoration:underline; }
  .btn-sm { font-size:12px; padding:6px 14px; border-radius:10px; }
  .btn-md { font-size:14px; padding:9px 18px; }
  .btn-lg { font-size:15px; padding:11px 24px; border-radius:14px; }
  .btn-full { width:100%; }
  .btn.is-loading { color:transparent !important; pointer-events:none; position:relative; }
  .btn.is-loading::after { content:''; position:absolute; width:16px; height:16px; border:2px solid rgba(255,255,255,.55); border-top-color:#fff; border-radius:50%; animation:btnSpin .6s linear infinite; }
  @keyframes btnSpin { to { transform:rotate(360deg); } }

  /* ─── page transition ─── */
  .page { display:none; padding:14px 0 80px; }
  .page.active { display:block; }

  /* ─── profile page ─── */
  .profile-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:10px; padding:4px 14px 0; }
  .profile-card { background:rgba(255,255,255,.58); backdrop-filter:blur(20px) saturate(1.3); -webkit-backdrop-filter:blur(20px) saturate(1.3); border-radius:22px; overflow:hidden; box-shadow:var(--glass-shadow); cursor:pointer; transition:transform .3s,box-shadow .3s; }
  .profile-card:active { transform:scale(.955); box-shadow:0 6px 24px rgba(0,0,0,.08); }
  .profile-photo-wrap { width:100%; aspect-ratio:1/1; overflow:hidden; }
  .profile-photo { width:100%; height:100%; object-fit:cover; object-position:50% 15%; display:block; transition:transform .5s; }
  .profile-card:active .profile-photo { transform:scale(1.06); }
  .profile-photo-fb { width:100%; height:100%; display:none; align-items:center; justify-content:center; font-size:28px; font-weight:700; color:rgba(255,255,255,.7); }
  .profile-card-info { padding:12px 14px; }
  .profile-card-name { font-size:15px; font-weight:700; color:var(--text); white-space:nowrap; }
  .profile-card-guardian { font-size:13px; color:var(--text-3); margin-top:3px; }

  /* ─── detail sheet ─── */
  .detail-overlay { position:fixed; inset:0; z-index:100; background:rgba(0,0,0,.45); display:flex; align-items:flex-end; justify-content:center; opacity:0; pointer-events:none; transition:opacity .35s; }
  .detail-overlay.open { opacity:1; pointer-events:auto; }
  .detail-sheet { background:#fff; border-radius:30px 30px 0 0; width:100%; max-width:430px; max-height:88dvh; overflow:hidden; padding:0; transform:translateY(100%); transition:transform .45s cubic-bezier(.16,1,.3,1); }
  .detail-overlay.open .detail-sheet { transform:translateY(0); }
  .detail-scroll { max-height:88dvh; overflow-y:auto; padding:16px 22px calc(22px + env(safe-area-inset-bottom)); -webkit-overflow-scrolling:touch; overscroll-behavior:contain; }
  /* 弹框打开时锁定背景滚动，避免滑动穿透到主页面 */
  html.scroll-locked, body.scroll-locked, .app-content.scroll-locked { overflow:hidden !important; }
  .detail-handle { width:36px; height:5px; background:rgba(0,0,0,.12); border-radius:10px; margin:0 auto 18px; }
  .detail-close { position:absolute; top:8px; right:10px; width:34px; height:34px; border-radius:50%; border:none; background:rgba(0,0,0,.45); color:#fff; font-size:20px; line-height:1; cursor:pointer; display:flex; align-items:center; justify-content:center; z-index:5; backdrop-filter:blur(6px); box-shadow:0 2px 10px rgba(0,0,0,.25); transition:.2s; }
  .detail-close:active { background:rgba(0,0,0,.7); }
  .detail-hero { width:100%; aspect-ratio:4/3; border-radius:20px; overflow:hidden; margin-bottom:20px; }
  .detail-hero img { width:100%; height:100%; object-fit:cover; object-position:50% 20%; display:block; }
  .detail-name { font-size:26px; font-weight:800; color:var(--text); letter-spacing:-.5px; }
  .detail-subtitle { font-size:13px; color:var(--text-3); margin-top:4px; }
  .detail-section { margin-bottom:22px; }
  .detail-section-title { font-size:14px; font-weight:700; color:var(--sage); letter-spacing:1px; text-transform:uppercase; margin-bottom:12px; }
  .detail-row { display:flex; justify-content:space-between; align-items:center; padding:10px 0; border-bottom:0.5px solid #faf7f0; font-size:15px; }
  .detail-row .k { color:var(--text-3); }
  .detail-row .v { color:var(--text); font-weight:500; text-align:right; max-width:60%; }
  .detail-badge-warn { display:inline-flex; align-items:center; gap:4px; background:#fff3e0; color:var(--amber-d); padding:5px 12px; border-radius:8px; font-size:12px; font-weight:600; }
  .detail-tag-medical { display:inline-block; background:#fdf0f0; color:#c53030; font-size:12px; padding:3px 12px; border-radius:8px; margin:2px 4px 2px 0; font-weight:500; }
  .detail-diet { background:#faf8f3; border-radius:18px; padding:16px; font-size:13px; line-height:1.7; color:var(--text); }

  /* ─── photo gallery ─── */
  .photo-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:8px; }
  .photo-thumb { aspect-ratio:1; border-radius:12px; overflow:hidden; position:relative; cursor:pointer; }
  .photo-thumb img { width:100%; height:100%; object-fit:cover; display:block; }
  .photo-thumb:active { transform:scale(.94); transition:transform .15s; }
  .photo-upload-btn {
    aspect-ratio:1; border-radius:12px; border:2px dashed #e0d5c5;
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    cursor:pointer; gap:4px; transition:.2s; color:var(--text-3); font-size:12px;
  }
  .photo-upload-btn:active { background:#faf8f3; border-color:var(--amber); }
  .photo-upload-btn span:first-child { font-size:24px; }
  .photo-delete {
    position:absolute; top:4px; right:4px; width:22px; height:22px; border-radius:50%;
    background:rgba(0,0,0,.5); color:#fff; border:none; font-size:12px; line-height:1;
    display:flex; align-items:center; justify-content:center; cursor:pointer; opacity:0;
    transition:opacity .2s;
  }
  .photo-thumb:hover .photo-delete, .photo-thumb:active .photo-delete { opacity:1; }

  /* ─── photo viewer ─── */
  .photo-viewer { position:fixed; inset:0; z-index:200; background:rgba(0,0,0,.92); display:flex; align-items:center; justify-content:center; opacity:0; pointer-events:none; transition:opacity .25s; }
  .photo-viewer.open { opacity:1; pointer-events:auto; }
  .photo-viewer img { max-width:90vw; max-height:80vh; object-fit:contain; border-radius:8px; user-select:none; -webkit-user-select:none; }
  .photo-viewer-close { position:absolute; top:max(16px, env(safe-area-inset-top)); right:20px; color:#fff; font-size:28px; cursor:pointer; z-index:1; }
  .photo-viewer-caption { position:absolute; bottom:60px; left:50%; transform:translateX(-50%); color:rgba(255,255,255,.7); font-size:13px; }
  .photo-viewer-counter { position:absolute; bottom:30px; left:50%; transform:translateX(-50%); color:rgba(255,255,255,.4); font-size:11px; }
  .photo-nav { position:absolute; top:50%; transform:translateY(-50%); width:40px; height:40px; border:none; border-radius:50%; background:rgba(255,255,255,.15); color:#fff; font-size:24px; cursor:pointer; display:flex; align-items:center; justify-content:center; z-index:1; transition:.2s; }
  .photo-nav:active { background:rgba(255,255,255,.3); }
  .photo-nav-prev { left:8px; }
  .photo-nav-next { right:8px; }

  /* ─── health records ─── */
  .hr-card { background:linear-gradient(135deg,#faf8f3,#f8f5ee); border-radius:16px; padding:14px; margin-bottom:8px; }
  .hr-card.vet { background:linear-gradient(135deg,#fff5e6,#fff0d8); border-left:4px solid var(--amber); }
  .hr-card.routine { border-left:4px solid var(--sage); }
  .hr-type-badge { display:inline-block;font-size:10px;padding:2px 8px;border-radius:4px;font-weight:700;margin-bottom:4px; }
  .hr-type-badge.vet { background:#ffe0b8;color:var(--amber-d); }
  .hr-type-badge.routine { background:#e0f0de;color:var(--sage); }

  /* ─── empty states ─── */
  .empty-state { text-align:center;padding:24px 16px;color:var(--text-3); }
  .empty-state .empty-icon { font-size:36px;margin-bottom:8px;opacity:.5; }
  .empty-state .empty-text { font-size:13px;font-weight:500; }
  .empty-state .empty-hint { font-size:11px;margin-top:4px;opacity:.7; }

  /* ─── card stagger animation ─── */
  .profile-card { animation:cardFadeIn .35s cubic-bezier(.16,1,.3,1) backwards; }
  @keyframes cardFadeIn { from{opacity:0;transform:translateY(12px) scale(.98)} to{opacity:1;transform:translateY(0) scale(1)} }

  /* ─── skeleton loading ─── */
  .skeleton { background:linear-gradient(90deg,#f5f0e8 25%,#ede5d8 37%,#f5f0e8 63%); background-size:400% 100%; animation:shimmer 1.4s ease infinite; border-radius:8px; }
  @keyframes shimmer { 0%{background-position:100% 50%} 100%{background-position:0 50%} }
  .skeleton-line { height:14px;margin:8px 0; }
  .skeleton-card { padding:16px;border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow-sm);margin-bottom:14px;border:1px solid #f5f0e8; }
  .skeleton-card .sk-avatar { width:40px;height:40px;border-radius:50%;margin-right:12px;flex-shrink:0; }
  .skeleton-card .sk-row { display:flex;align-items:center;margin-bottom:10px; }
  .skeleton-card .sk-bar { height:18px;border-radius:6px; }
  .skeleton-card .sk-sm { height:12px;border-radius:5px;width:60%; }

  /* ─── sync spinner (task toggle loading) ─── */
  .sync-spinner { display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;flex-shrink:0; }
  .sync-spinner::after { content:'';width:14px;height:14px;border:2px solid #e8e0d5;border-top-color:var(--amber);border-radius:50%;animation:syncSpin .6s linear infinite; }
  @keyframes syncSpin { to{transform:rotate(360deg)} }
  .task-row.syncing { pointer-events:none;opacity:.7; }
  .task-row .task-check-wrap { display:flex;align-items:center;width:20px;height:20px;flex-shrink:0; }
  .task-row.sync-fail { animation:syncShake .4s ease; }
  @keyframes syncShake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-4px)} 75%{transform:translateX(4px)} }

  /* ─── pull to refresh ─── */
  .ptr-indicator { position:fixed;top:calc(env(safe-area-inset-top, 0px) + 6px);left:50%;transform:translateX(-50%) translateY(-52px);display:flex;align-items:center;gap:5px;padding:6px 14px;background:#fff;border-radius:20px;box-shadow:0 2px 12px rgba(0,0,0,.1);z-index:60;transition:transform .25s cubic-bezier(.16,1,.3,1);font-size:12px;color:var(--text-2);white-space:nowrap; }
  .ptr-indicator.active { transform:translateX(-50%) translateY(10px); }
  .ptr-spinner { flex-shrink:0; transition:transform .3s; }
  .ptr-indicator.spinning .ptr-spinner { animation:ptrSpin .7s linear infinite; }
  .ptr-indicator.spinning { color:var(--sage); }
  @keyframes ptrSpin { to{transform:rotate(360deg)} }

  /* ─── upload progress ─── */
  .upload-bar { position:fixed;bottom:70px;left:50%;transform:translateX(-50%);width:200px;height:4px;background:#e0d5c5;border-radius:100px;overflow:hidden;z-index:60;opacity:0;transition:opacity .2s; }
  .upload-bar.show { opacity:1; }
  .upload-bar-fill { height:100%;background:var(--amber);border-radius:100px;transition:width .3s ease;width:0; }
  /* history table */
  /* history card style */
  .ht-cat-card { background:#fff; border-radius:16px; border:0.5px solid var(--border); padding:12px 14px; margin-bottom:10px; box-shadow:0 1px 3px rgba(0,0,0,.03); }
  .ht-cat-hd { display:flex; align-items:center; gap:8px; margin-bottom:10px; }
  .ht-cat-info { flex:1; min-width:0; display:flex; align-items:baseline; gap:8px; }
  .ht-cat-name { font-size:14px; font-weight:700; color:var(--text); }
  .ht-cat-potty { font-size:12px; color:var(--text-2); }
  .ht-cat-score { font-size:17px; font-weight:800; flex-shrink:0; }
  .ht-task-grid { display:grid; grid-template-columns:1fr 1fr; gap:5px 8px; }
  .ht-pill { display:inline-block; font-size:13px; padding:3px 9px; margin:2px 3px; border-radius:6px; font-weight:500; }
  .ht-pill.done { background:#ecf5ea; color:var(--sage); }
  .ht-pill.miss { background:#faf5f0; color:var(--text-3); }
  .ht-section-title { font-size:15px; font-weight:700; color:var(--text); padding:12px 0 6px; display:flex; align-items:center; gap:6px; }
  .hr-date { font-size:12px; font-weight:700; color:var(--amber-d); margin-bottom:4px; }
  .hr-row { font-size:13px; color:var(--text); line-height:1.7; }
  .hr-row span { color:var(--text-3); }
  .hr-delete { position:absolute; top:10px; right:12px; font-size:16px; color:var(--text-3); cursor:pointer; padding:4px; }
  .health-add-btn { width:100%; padding:14px; border:2px dashed #e0d5c5; border-radius:16px; background:none; font-size:14px; font-weight:600; color:var(--amber-d); cursor:pointer; transition:.2s; }
  .health-add-btn:active { background:var(--amber-l); border-color:var(--amber); }
  .health-form { background:linear-gradient(135deg,#faf8f3,#f8f5ee); border-radius:16px; padding:16px; margin-top:8px; }
  .health-input { width:100%; padding:11px 14px; margin-bottom:7px; border:1px solid #e8e0d5; border-radius:12px; font-size:14px; font-family:inherit; background:#fff; transition:.2s; }
  .health-input:focus { outline:none; border-color:var(--amber); box-shadow:0 0 0 3px rgba(240,160,40,.08); }
  .health-save-btn { flex:1; padding:11px; border:none; border-radius:12px; background:linear-gradient(135deg,var(--amber),var(--amber-d)); color:#fff; font-size:14px; font-weight:600; cursor:pointer; }
  .health-cancel-btn { flex:1; padding:11px; border:none; border-radius:12px; background:#f2eade; color:var(--text-2); font-size:14px; font-weight:600; cursor:pointer; }

  /* ─── toast ─── */
  .toast { position:fixed; bottom:120px; left:50%; transform:translateX(-50%); background:var(--text); color:#fff; padding:10px 22px; border-radius:100px; font-size:13px; font-weight:500; z-index:200; opacity:0; pointer-events:none; transition:opacity .2s, transform .3s cubic-bezier(.34,1.56,.64,1); white-space:nowrap; }
  .toast.show { opacity:1; transform:translateX(-50%) scale(1); }
  .toast:not(.show) { transform:translateX(-50%) scale(.85); }

  /* ─── cat card vertical scroll ─── */
  .card-list { padding:0 16px; }

  /* ─── premium animations ─── */
  .detail-hero img { filter:blur(12px); transition:filter .7s ease; }
  .detail-overlay.open .detail-hero img { filter:blur(0); }
  .weather-bounce { animation:weatherIn .5s cubic-bezier(.34,1.56,.64,1); }
  @keyframes weatherIn { 0%{opacity:0;transform:translateY(-10px)} 60%{opacity:1;transform:translateY(3px)} 100%{transform:translateY(0)} }
  .temp-pop { animation:tempPop .35s cubic-bezier(.34,1.56,.64,1); }
  @keyframes tempPop { 0%{transform:scale(1)} 40%{transform:scale(1.18)} 100%{transform:scale(1)} }
  .progress-bar-fill.done { background:linear-gradient(90deg,#F0A028,#fcc840,#F0A028); box-shadow:0 0 12px rgba(240,160,40,.35); transition:all .6s; }
  .cat-avatar-wrap { transition:transform .4s cubic-bezier(.34,1.56,.64,1),box-shadow .4s; }
  .cat-card-hd:active .cat-avatar-wrap { transform:scale(1.08); box-shadow:0 4px 16px rgba(0,0,0,.12); }
  .cal-flip { animation:flipIn .4s ease; }
  @keyframes flipIn { 0%{transform:perspective(400px) rotateX(15deg);opacity:0} 100%{transform:perspective(400px) rotateX(0);opacity:1} }
  .empty-state.celebrate { animation:celebrate .6s cubic-bezier(.34,1.56,.64,1); }
  @keyframes celebrate { 0%{transform:scale(.8);opacity:0} 50%{transform:scale(1.05)} 100%{transform:scale(1);opacity:1} }
  .empty-state.celebrate .empty-icon { animation:celebrateIcon .8s ease infinite; }
  @keyframes celebrateIcon { 0%,100%{transform:translateY(0) rotate(0deg)} 25%{transform:translateY(-8px) rotate(-5deg)} 75%{transform:translateY(-4px) rotate(5deg)} }
  .app { animation:bgDrift 30s ease-in-out infinite alternate; }
  @keyframes bgDrift {
    0%{background-position:0% 0%, 100% 100%, 50% 50%}
    100%{background-position:5% 2%, 95% 98%, 48% 52%}
  }

  /* ─── install prompt ─── */
  .install-prompt-overlay { position:fixed; inset:0; z-index:300; background:rgba(0,0,0,.5); display:flex; align-items:flex-end; justify-content:center; opacity:0; pointer-events:none; transition:opacity .3s; }
  .install-prompt-overlay.show { opacity:1; pointer-events:auto; }
  .install-prompt-sheet { background:#fff; border-radius:24px 24px 0 0; width:100%; max-width:430px; padding:28px 24px calc(24px + env(safe-area-inset-bottom)); transform:translateY(100%); transition:transform .4s cubic-bezier(.16,1,.3,1); position:relative; }
  .install-prompt-overlay.show .install-prompt-sheet { transform:translateY(0); }
  .install-prompt-close { position:absolute; top:12px; right:16px; width:28px; height:28px; border-radius:50%; background:#f0ebe0; border:none; font-size:16px; color:var(--text-2); cursor:pointer; display:flex; align-items:center; justify-content:center; }