:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --text: #142033;
  --muted: #667085;
  --line: #e4e9f0;
  --brand: #0f766e;
  --brand-dark: #0a5b55;
  --brand-soft: #e8f8f4;
  --header: #0b1826;
  --danger: #b42318;
  --shadow: 0 12px 36px rgba(16, 24, 40, 0.08);
  --radius: 18px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; }
.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  color: #fff;
  background: rgba(11,24,38,.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand-wrap { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 13px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #15a38e, #0b6e67);
  font-weight: 900; letter-spacing: -.05em; box-shadow: inset 0 0 0 1px rgba(255,255,255,.14);
}
.brand-wrap h1 { margin: 1px 0 0; font-size: 1.25rem; line-height: 1.1; }
.eyebrow { margin: 0; text-transform: uppercase; letter-spacing: .13em; font-size: .68rem; font-weight: 850; color: #72d8ca; }
.header-actions { display: flex; align-items: center; gap: 9px; }
.sync-badge { display: inline-flex; align-items: center; gap: 7px; color: #d8e0e9; font-size: .78rem; white-space: nowrap; }
.sync-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #f79009; box-shadow: 0 0 0 4px rgba(247,144,9,.12); }
.sync-badge.cloud .dot { background: #12b76a; box-shadow: 0 0 0 4px rgba(18,183,106,.12); }
.container { max-width: 1240px; margin: 0 auto; padding: 28px 22px 84px; }
.hero-copy { display: flex; justify-content: space-between; align-items: end; margin: 4px 0 22px; }
.hero-copy h2 { margin: 0 0 6px; font-size: clamp(1.75rem, 3vw, 2.55rem); letter-spacing: -.03em; }
.hero-copy p { margin: 0; color: var(--muted); max-width: 720px; line-height: 1.6; }
.btn {
  border: 0; border-radius: 12px; padding: 11px 15px; font-weight: 800;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  min-height: 44px;
}
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 7px 20px rgba(15,118,110,.22); }
.btn-primary:hover { background: var(--brand-dark); }
.btn-secondary { background: #fff; color: var(--text); border: 1px solid var(--line); }
.header-actions .btn-secondary { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.15); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
.stat-card { background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 16px; padding: 17px; }
.stat-card span { color: var(--muted); font-size: .8rem; font-weight: 650; }
.stat-card strong { display: block; margin-top: 4px; font-size: 1.55rem; letter-spacing: -.03em; }
.search-panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.search-row { display: flex; gap: 10px; }
.search-box { flex: 1; display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); background: var(--surface-2); border-radius: 13px; padding: 0 14px; }
.search-icon { font-size: 1.3rem; color: var(--muted); }
.search-box input { width: 100%; border: 0; outline: 0; background: transparent; padding: 13px 0; min-height: 46px; }
.filters { display: grid; grid-template-columns: 1.15fr 1fr 1fr 1fr 1.4fr auto; gap: 10px; margin-top: 11px; }
.filters select, .filters input { width: 100%; border: 1px solid var(--line); border-radius: 11px; padding: 10px 11px; min-height: 44px; background: #fff; color: var(--text); outline: 0; }
.filters select:focus, .filters input:focus, .search-box:focus-within { border-color: #73b9b1; box-shadow: 0 0 0 3px rgba(15,118,110,.09); }
.mobile-filter-btn { display: none; }
.results-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin: 28px 0 14px; }
.results-head h2 { margin: 0; font-size: 1.3rem; }
.results-head p { margin: 4px 0 0; color: var(--muted); font-size: .9rem; }
.car-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 17px; }
.car-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .18s ease, box-shadow .18s ease; }
.car-card:hover { transform: translateY(-3px); box-shadow: 0 18px 44px rgba(16,24,40,.11); }
.car-photo-wrap { aspect-ratio: 16/10; background: #e7edf4; overflow: hidden; position: relative; }
.car-photo { width: 100%; height: 100%; object-fit: cover; display: block; }
.year-badge, .run-badge { position: absolute; top: 11px; color: #fff; padding: 6px 9px; border-radius: 9px; font-size: .75rem; font-weight: 850; backdrop-filter: blur(8px); background: rgba(11,24,38,.83); }
.year-badge { left: 11px; }
.run-badge { right: 11px; }
.card-body { padding: 15px; }
.car-title { margin: 0 0 5px; font-size: 1.08rem; }
.car-sub { color: var(--muted); margin: 0 0 13px; font-size: .85rem; }
.card-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.price { font-size: 1.25rem; font-weight: 900; color: var(--brand-dark); white-space: nowrap; }
.view-btn { background: var(--brand-soft); color: var(--brand-dark); border: 0; border-radius: 10px; padding: 9px 11px; font-weight: 800; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state h3 { color: var(--text); margin-bottom: 5px; }
.empty-icon { font-size: 3rem; }
.dialog { border: 0; border-radius: 20px; padding: 0; width: min(760px, calc(100vw - 24px)); max-height: min(92vh, 860px); box-shadow: 0 34px 90px rgba(0,0,0,.32); overflow: auto; }
.dialog::backdrop { background: rgba(5,14,24,.68); backdrop-filter: blur(4px); }
.dialog-close { position: sticky; float: right; z-index: 5; top: 10px; margin: 10px 10px -48px 0; width: 38px; height: 38px; border-radius: 50%; border: 0; background: rgba(255,255,255,.94); box-shadow: 0 4px 15px rgba(0,0,0,.13); font-size: 1.35rem; }
.detail-image { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; background: #e7edf4; }
.detail-body { padding: 22px; }
.detail-body h2 { margin: 5px 0 0; }
.detail-price { font-size: 2rem; font-weight: 950; color: var(--brand-dark); margin: 8px 0 17px; }
.detail-meta { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.meta-box { padding: 13px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-2); }
.meta-box span { color: var(--muted); font-size: .75rem; display: block; }
.meta-box strong { display: block; margin-top: 4px; font-size: .93rem; }
.add-form { padding: 28px; }
.add-form h2 { margin: 4px 0 6px; }
.form-note { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.5; }
.form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 13px; margin-top: 20px; }
.form-grid label { display: grid; gap: 7px; font-weight: 750; font-size: .84rem; }
.form-grid input, .form-grid textarea { border: 1px solid var(--line); border-radius: 10px; padding: 11px; width: 100%; outline: 0; background: #fff; }
.form-grid input:focus, .form-grid textarea:focus { border-color: #73b9b1; box-shadow: 0 0 0 3px rgba(15,118,110,.09); }
.wide { grid-column: 1/-1; }
.form-actions { display: flex; justify-content: flex-end; gap: 9px; margin-top: 20px; }
.toast { position: fixed; left: 50%; bottom: 22px; z-index: 100; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; background: #0b1826; color: #fff; padding: 11px 15px; border-radius: 10px; box-shadow: 0 12px 28px rgba(0,0,0,.2); transition: .2s ease; font-weight: 700; font-size: .9rem; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.mobile-nav { display: none; }
@media (max-width: 1020px) {
  .car-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .filters { grid-template-columns: repeat(3, minmax(0,1fr)); }
}
@media (max-width: 760px) {
  body { padding-bottom: calc(70px + env(safe-area-inset-bottom)); }
  .app-header { position: sticky; }
  .header-inner { padding: 11px 14px; }
  .brand-mark { width: 40px; height: 40px; border-radius: 12px; }
  .brand-wrap h1 { font-size: 1.08rem; }
  .header-actions #addCarBtn, .header-actions #installBtn, .sync-badge { display: none !important; }
  .container { padding: 20px 13px 76px; }
  .hero-copy { margin: 0 0 17px; }
  .hero-copy h2 { font-size: 1.7rem; }
  .hero-copy p { font-size: .92rem; }
  .stats { grid-template-columns: repeat(2,1fr); gap: 9px; }
  .stat-card { padding: 13px; border-radius: 14px; }
  .stat-card strong { font-size: 1.28rem; }
  .search-panel { padding: 11px; border-radius: 15px; }
  .mobile-filter-btn { display: inline-flex; align-items: center; }
  .filters-wrap { display: none; }
  .filters-wrap.open { display: block; }
  .filters { grid-template-columns: 1fr 1fr; gap: 8px; }
  .filters .btn { width: 100%; }
  .results-head { margin-top: 22px; }
  .results-head .btn { display: none; }
  .car-grid { grid-template-columns: 1fr; gap: 12px; }
  .car-card { display: grid; grid-template-columns: 41% 59%; border-radius: 15px; }
  .car-photo-wrap { aspect-ratio: auto; min-height: 154px; }
  .card-body { padding: 13px; display: flex; flex-direction: column; justify-content: center; }
  .car-title { font-size: 1rem; }
  .price { font-size: 1.06rem; }
  .view-btn { padding: 8px 9px; font-size: .82rem; }
  .detail-meta { grid-template-columns: 1fr 1fr; }
  .add-form { padding: 22px 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .wide { grid-column: auto; }
  .form-actions { position: sticky; bottom: 0; background: #fff; padding-top: 12px; padding-bottom: max(4px, env(safe-area-inset-bottom)); }
  .mobile-nav {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    display: grid; grid-template-columns: repeat(4,1fr); align-items: end;
    background: rgba(255,255,255,.97); backdrop-filter: blur(16px);
    border-top: 1px solid var(--line); padding: 6px 5px calc(6px + env(safe-area-inset-bottom));
    box-shadow: 0 -10px 30px rgba(16,24,40,.08);
  }
  .mobile-nav-item { border: 0; background: transparent; color: var(--muted); display: grid; justify-items: center; gap: 1px; padding: 5px 3px; }
  .mobile-nav-item span { font-size: 1.26rem; line-height: 1; }
  .mobile-nav-item small { font-size: .68rem; font-weight: 750; }
  .mobile-nav-item.active { color: var(--brand); }
  .mobile-add span { width: 38px; height: 38px; margin-top: -19px; border-radius: 50%; display: grid; place-items: center; color: white; background: var(--brand); box-shadow: 0 8px 18px rgba(15,118,110,.28); }
  .toast { bottom: 86px; width: calc(100vw - 28px); text-align: center; }
}
@media (max-width: 430px) {
  .filters { grid-template-columns: 1fr; }
  .car-card { grid-template-columns: 43% 57%; }
  .car-photo-wrap { min-height: 146px; }
  .card-footer { align-items: flex-start; flex-direction: column; gap: 8px; }
}

/* Bulk photo import */
.results-actions { display: flex; gap: 9px; }
.bulk-dialog { width: min(1120px, calc(100vw - 20px)); max-height: 94vh; }
.bulk-wrap { padding: 28px; }
.bulk-dropzone { margin-top: 20px; min-height: 150px; border: 2px dashed #98a2b3; border-radius: 16px; background: #f8fafc; display: grid; place-items: center; align-content: center; gap: 5px; text-align: center; cursor: pointer; padding: 24px; transition: .15s ease; }
.bulk-dropzone:hover { border-color: var(--brand); background: var(--brand-soft); }
.bulk-drop-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; background: var(--brand); color: #fff; font-size: 1.45rem; font-weight: 900; }
.bulk-dropzone strong { font-size: 1.05rem; }
.bulk-dropzone small { color: var(--muted); }
.bulk-progress-wrap { margin-top: 18px; padding: 14px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.bulk-progress-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 9px; }
.bulk-progress-wrap progress { width: 100%; height: 12px; accent-color: var(--brand); }
.bulk-summary { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-top: 16px; padding: 13px 15px; border-radius: 12px; background: var(--brand-soft); color: var(--brand-dark); }
.bulk-summary span { font-size: .86rem; }
.bulk-review { display: grid; gap: 12px; margin-top: 16px; }
.bulk-item { display: grid; grid-template-columns: 190px 1fr; gap: 14px; border: 1px solid var(--line); border-left: 5px solid #12b76a; border-radius: 14px; padding: 12px; background: #fff; }
.bulk-item.needs-review { border-left-color: #f79009; }
.bulk-item.duplicate { border-left-color: #667085; opacity: .88; }
.bulk-photo-cell { position: relative; }
.bulk-photo-cell img { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: 10px; background: #e7edf4; display: block; }
.bulk-include { display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; font-size: .82rem; font-weight: 800; }
.bulk-fields { min-width: 0; }
.bulk-item-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 9px; }
.bulk-item-head strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .88rem; }
.bulk-status { white-space: nowrap; font-size: .72rem; font-weight: 850; padding: 5px 8px; border-radius: 999px; background: #ecfdf3; color: #027a48; }
.needs-review .bulk-status { background: #fffaeb; color: #b54708; }
.duplicate .bulk-status { background: #f2f4f7; color: #475467; }
.bulk-field-grid { display: grid; grid-template-columns: .65fr 1fr 2fr 1fr .65fr; gap: 8px; }
.bulk-field-grid label { display: grid; gap: 5px; font-size: .72rem; font-weight: 800; color: var(--muted); }
.bulk-field-grid input { min-width: 0; width: 100%; border: 1px solid var(--line); border-radius: 9px; padding: 9px; color: var(--text); background: #fff; }
.bulk-warning { margin: 8px 0 0; font-size: .78rem; color: #b54708; }
.bulk-actions { position: sticky; bottom: -1px; display: flex; justify-content: flex-end; gap: 9px; padding-top: 16px; margin-top: 4px; background: linear-gradient(180deg, rgba(255,255,255,0), #fff 25%); }

@media (max-width: 900px) {
  .bulk-item { grid-template-columns: 150px 1fr; }
  .bulk-field-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .bulk-model { grid-column: 1/-1; }
}
@media (max-width: 760px) {
  .header-actions #bulkBtn { display: none !important; }
  .results-actions #bulkBtnInline { display: none; }
  .mobile-nav { grid-template-columns: repeat(5,1fr); }
  .bulk-wrap { padding: 22px 14px; }
  .bulk-item { grid-template-columns: 1fr; }
  .bulk-photo-cell img { aspect-ratio: 16/9; }
  .bulk-summary { align-items: flex-start; flex-direction: column; }
  .bulk-actions { padding-bottom: max(4px, env(safe-area-inset-bottom)); }
}

/* V9 responsive browser layout */
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
input, select, textarea { font-size: 16px; }
.stats > *, .search-row > *, .car-card > * { min-width: 0; }
.car-title, .card-body, .bulk-current-file, .form-note { overflow-wrap: anywhere; }
.bulk-field-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
.dialog { max-height: 92dvh; overscroll-behavior: contain; }
.bulk-progress-head { flex-wrap: wrap; }
@media(max-width:760px) {
 .header-inner { flex-wrap: wrap; }
 .car-card { display: block; }
 .car-photo-wrap { aspect-ratio: 16/10; min-height: 0; }
 .card-body { padding: 16px; }
 .car-title { font-size: 1.15rem; }
 .price { font-size: 1.5rem; font-weight: 900; }
 .card-footer { flex-direction: row; align-items: center; flex-wrap: wrap; }
 .dialog { width: calc(100% - 16px); max-width: none; max-height: 94dvh; margin: auto; border-radius: 16px; }
 .bulk-field-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
 .bulk-item-head { flex-wrap: wrap; }
 .bulk-item-head strong { white-space: normal; overflow-wrap:anywhere; }
 .bulk-actions { flex-wrap: wrap; }
 .bulk-actions .btn { flex: 1; min-height: 48px; }
 .mobile-nav-item { min-height: 48px; }
 .btn, input, select { min-height: 44px; }
 .search-box { min-width: 0; }
 .bulk-dropzone { padding: 16px; }
 .bulk-photo-cell img, .detail-image { object-fit: contain; }
}
@media(min-width:761px) and (max-width:1000px) { .header-inner { flex-wrap:wrap; } }

/* V11: visible actions and responsive grid/list */
.view-toolbar { display:flex; justify-content:space-between; align-items:center; gap:12px; margin:16px 0; }
.view-toolbar > span { color:var(--muted); font-size:.85rem; }
.view-switch { display:flex; background:white; border:1px solid var(--line); padding:4px; border-radius:12px; }
.view-switch button { min-height:44px; padding:8px 16px; border:0; border-radius:8px; background:white; font-weight:800; color:var(--muted); }
.view-switch button[aria-pressed="true"] { background:var(--brand); color:white; }
.single-photo-picker { display:grid; gap:10px; padding:16px; margin-top:20px; border:2px dashed var(--brand); border-radius:12px; background:var(--brand-soft); font-weight:800; }
.single-photo-picker input { width:100%; min-width:0; }
.car-grid.list-view { grid-template-columns:1fr; }
.car-grid.list-view .car-card { display:grid; grid-template-columns:220px minmax(0,1fr); }
.car-grid.list-view .car-photo-wrap { aspect-ratio:16/10; }
.car-grid.list-view .card-body { display:flex; flex-direction:column; justify-content:center; }
.price { white-space:normal; overflow-wrap:anywhere; }
@media(max-width:760px) {
 .results-head { display:flex; flex-direction:column; align-items:stretch; gap:12px; }
 .results-actions { display:grid; grid-template-columns:1fr 1fr; gap:10px; width:100%; }
 .results-head .results-actions .btn { display:block !important; min-height:48px; padding:10px; }
 .results-actions #exportBtn { grid-column:1/-1; }
 .car-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; }
 .car-grid .card-body { padding:10px; }
 .car-grid .car-title { font-size:.95rem; line-height:1.35; }
 .car-grid .price { font-size:1.05rem; line-height:1.4; }
 .car-grid .card-footer { flex-direction:column; align-items:stretch; gap:8px; }
 .view-btn { min-height:44px; width:100%; }
 .car-grid.list-view .car-card { grid-template-columns:35% minmax(0,1fr); }
 .car-grid.list-view .car-photo-wrap { aspect-ratio:auto; min-height:160px; }
 .car-grid.list-view .car-photo { object-fit:contain; }
 .car-grid.list-view .price { font-size:1.2rem; }
 .dialog.add-dialog, .dialog.bulk-dialog { position:fixed; inset:0; width:100%; height:100%; height:100dvh; max-height:100%; max-height:100dvh; margin:0; border-radius:0; padding:0; }
 .add-form, .bulk-wrap { padding:24px 16px calc(24px + env(safe-area-inset-bottom)); }
 .form-heading { padding-right:32px; }
 .form-actions, .bulk-actions { bottom:0; padding:12px 0 max(12px,env(safe-area-inset-bottom)); background:#fff; }
 .dialog-close { width:44px; height:44px; }
 .stat-card strong { font-size:1.15rem; overflow-wrap:anywhere; }
 .mobile-nav { padding-bottom:calc(8px + env(safe-area-inset-bottom)); }
}

.manage-toolbar { display:flex; flex-wrap:wrap; gap:12px; align-items:center; margin:16px 0; padding:14px; border:1px solid var(--line); border-radius:14px; background:#fff; }
.manage-toolbar label,.vehicle-select { display:flex; align-items:center; gap:8px; font-size:.85rem; }
input[type="checkbox"] { width:20px; height:20px; min-height:20px; accent-color:var(--brand); flex-shrink:0; }
.vehicle-select { margin:8px 0; }
.danger-btn,.delete-one { background:#fff1f0; color:#b42318; border:1px solid #fecdca; border-radius:10px; padding:10px 12px; font-weight:800; min-height:44px; }
button:disabled { opacity:.5; cursor:default; }
.duplicate-wrap { padding:28px; }
.similar-group { margin:18px 0; border:1px solid var(--line); padding:12px; border-radius:12px; }
.similar-record { display:flex; gap:12px; align-items:center; margin:12px 0; }
.similar-record img { width:90px; height:64px; object-fit:contain; }
.similar-record small { display:block; color:var(--muted); }
.company-footer { text-align:center; padding:20px 12px 100px; color:var(--muted); }
.card-footer { flex-wrap:wrap; }
@media(max-width:760px) { .manage-toolbar .btn { flex:1 1 130px; } .duplicate-wrap { padding:24px 14px; } .similar-record img { width:64px; } }