:root {
  --bg: #f5f4f1;
  --surface: #ffffff;
  --surface-alt: #faf9f6;
  --border: #e2dfd6;
  --text: #201f1c;
  --text-muted: #6b6a63;
  --accent: #24488a;
  --accent-dark: #17335f;
  --accent-bg: #eaf0fb;
  --success: #1f7a4d;
  --success-bg: #e5f4ec;
  --danger: #b6392b;
  --danger-bg: #fbeae6;
  --warning: #9c6113;
  --warning-bg: #faf1dd;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 1px 2px rgba(30, 28, 20, 0.05), 0 1px 1px rgba(30, 28, 20, 0.04);
  --shadow-md: 0 6px 16px rgba(30, 28, 20, 0.08), 0 2px 4px rgba(30, 28, 20, 0.05);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { margin: 0 0 0.5em; font-weight: 650; letter-spacing: -0.015em; color: var(--text); }
h1 { font-size: 1.55rem; }
h2 { font-size: 1.1rem; }
h3 { font-size: 0.98rem; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1.75rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(30, 28, 20, 0.04);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar .brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.topbar nav {
  display: flex;
  gap: 1.1rem;
  align-items: center;
  flex-wrap: wrap;
}

.topbar nav a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.92rem;
}

.topbar nav a.active,
.topbar nav a:hover {
  color: var(--accent);
  text-decoration: none;
}

.topbar .user-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.lang-form select {
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.82rem;
  color: var(--text);
}

.login-lang {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 0.5rem;
}
.login-lang select {
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.82rem;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem;
}

.flash {
  padding: 0.65rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.flash.success { background: var(--success-bg); color: var(--success); }
.flash.error { background: var(--danger-bg); color: var(--danger); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 550;
  cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease, box-shadow 0.12s ease, transform 0.06s ease;
}
.btn:hover { text-decoration: none; border-color: #c3bfb2; background: var(--surface-alt); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 1px 2px rgba(36, 72, 138, 0.25); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #9c2f22; border-color: #9c2f22; }
.btn-sm { padding: 0.32rem 0.65rem; font-size: 0.8rem; }
.btn[aria-disabled="true"] { opacity: 0.45; cursor: not-allowed; pointer-events: none; }
.btn-link {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 550;
  cursor: pointer;
  padding: 0.5rem 0.2rem;
  text-decoration: underline;
}
.btn-link:hover { color: var(--text); }

.filters {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
  align-items: center;
}
.filters select, .filters input[type="text"] {
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.88rem;
}

.stat-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.stat-pill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.stat-pill b { color: var(--text); font-size: 1rem; display: block; }

.suggestion-banner {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid #eed7ab;
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.88rem;
}
.suggestion-banner a { color: var(--warning); text-decoration: underline; }
.suggestion-banner-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: #f0c4bc;
}

.item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.item-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}
.item-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: #d5d1c4;
  text-decoration: none;
}
.item-card-wrap { position: relative; }
.vinted-badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 2;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 650;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  box-shadow: 0 1px 3px rgba(30, 28, 20, 0.25);
}
.vinted-badge:hover { background: var(--accent-dark); text-decoration: none; color: #fff; }
.item-card .thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #f0efe9 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c9c6bc' stroke-width='1.4'%3E%3Crect x='3' y='4' width='18' height='16' rx='2'/%3E%3Ccircle cx='8.5' cy='9.5' r='1.5'/%3E%3Cpath d='M21 15l-5-5-9 9'/%3E%3C/svg%3E") center/40px no-repeat;
  object-fit: cover;
  display: block;
}
.item-card .body {
  padding: 0.75rem 0.85rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1;
}
.item-card .item-number { font-size: 0.72rem; color: var(--text-muted); }
.item-card .desc { font-size: 0.92rem; font-weight: 550; }
.item-card .price { font-size: 1.05rem; font-weight: 700; margin-top: auto; }
.item-card .meta { font-size: 0.78rem; color: var(--text-muted); display: flex; justify-content: space-between; align-items: center; }
.badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 650;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-sold { background: #e5e5e2; color: #56544c; }
.badge-created { background: var(--surface-alt); color: var(--text-muted); border: 1px solid var(--border); }
.badge-listed { background: var(--accent-bg); color: var(--accent); }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
}

label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--text-muted); margin-bottom: 0.3rem; }
input[type="text"], input[type="number"], input[type="date"], input[type="password"],
select, textarea {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.92rem;
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
}
textarea { resize: vertical; min-height: 70px; }
.field { margin-bottom: 0.9rem; }
.field-missing {
  background: var(--danger-bg);
  border-radius: var(--radius);
  padding: 0.6rem 0.65rem;
}
.field-missing label { color: var(--danger); }
.field-missing input, .field-missing select {
  border-color: var(--danger);
  background: var(--surface);
}
.field-missing-hint { color: var(--danger); font-size: 0.78rem; margin-top: 0.3rem; }
.checkbox-field { display: flex; align-items: center; gap: 0.5rem; }
.checkbox-field label { margin: 0; }
.checkbox-field input { width: auto; }

.input-with-suffix { position: relative; }
.input-with-suffix input { padding-right: 3.4rem; }
.input-with-suffix .suffix {
  position: absolute;
  right: 0.65rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
  pointer-events: none;
}

table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--border); }
th { color: var(--text-muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.02em; }
.sort-link {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  white-space: nowrap;
}
.sort-link:hover { color: var(--text); text-decoration: none; }
.sort-link.active { color: var(--accent); }
.sort-arrow { font-size: 0.7rem; }

.detail-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.5rem;
}
@media (max-width: 720px) {
  .detail-grid { grid-template-columns: 1fr; }
}
.detail-photo {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #f0efe9;
  cursor: zoom-in;
}
.photo-strip img { cursor: zoom-in; }

.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20, 18, 14, 0.88);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.lightbox-overlay.open { display: flex; }
.lightbox-overlay .lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: none;
  line-height: 1;
  cursor: pointer;
  border-radius: 999px;
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: rgba(255, 255, 255, 0.25); }
.lightbox-close { top: 1.25rem; right: 1.5rem; font-size: 1.8rem; padding: 0.2rem 0.7rem; }
.lightbox-prev, .lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.2rem;
  padding: 0.4rem 0.9rem;
}
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }
@media (max-width: 640px) {
  .lightbox-prev { left: 0.25rem; }
  .lightbox-next { right: 0.25rem; }
}
.kv-list { font-size: 0.9rem; }
.kv-list dt { color: var(--text-muted); font-size: 0.78rem; margin-top: 0.6rem; }
.kv-list dd { margin: 0.1rem 0 0; font-weight: 550; }
.kv-list dt.kv-missing {
  background: var(--danger-bg);
  color: var(--danger);
  padding: 0.4rem 0.5rem 0.1rem;
  border-radius: var(--radius) var(--radius) 0 0;
}
.kv-list dd.kv-missing {
  background: var(--danger-bg);
  color: var(--danger);
  padding: 0 0.5rem 0.4rem;
  border-radius: 0 0 var(--radius) var(--radius);
  margin: 0.1rem 0 0;
}

.photo-strip {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}
.photo-strip img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.photo-manage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 0.75rem;
  margin-top: 0.75rem;
}
.photo-manage-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.photo-manage-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.photo-manage-item form { margin: 0; }
.photo-manage-item .btn { width: 100%; justify-content: center; }
.photo-move-row { display: flex; gap: 0.4rem; }
.photo-move-row form { flex: 1; }
.photo-move-row .btn:disabled { opacity: 0.35; cursor: not-allowed; }

input[disabled] { opacity: 0.7; cursor: not-allowed; }

.ai-fill-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.5rem;
}
.ai-fill-row .btn:disabled { opacity: 0.5; cursor: not-allowed; }
#ai-status { font-size: 0.8rem; color: var(--text-muted); }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.login-card {
  width: 100%;
  max-width: 340px;
  padding: 2rem;
}
.login-card h1 { text-align: center; margin-bottom: 1.5rem; }

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.section-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.tag-icon { margin-right: 0.3rem; }

.actions-row { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 1rem; }

.muted { color: var(--text-muted); }
.hint { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.3rem; }

/* -------------------------------------------------------- dashboard toolbar */

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.filters { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: flex-end; }

.search-field { position: relative; }
.search-field .search-icon {
  position: absolute;
  left: 0.65rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}
.search-field input[type="text"] {
  padding-left: 2.15rem;
  min-width: 320px;
}
@media (max-width: 480px) {
  .search-field input[type="text"] { min-width: 0; width: 100%; }
}

.filter-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.filter-field span {
  font-size: 0.72rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}
.filter-field select { min-width: 150px; }

.view-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  height: fit-content;
}
.view-switch-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border: none;
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  border-left: 1px solid var(--border);
}
.view-switch-btn:first-child { border-left: none; }
.view-switch-btn svg { width: 18px; height: 18px; }
.view-switch-btn.active { background: var(--accent-bg); color: var(--accent); }
.view-switch-btn:hover { background: var(--surface-alt); }

/* ------------------------------------------------------------- price compare */

.price-compare { display: flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; white-space: nowrap; }
.price-compare .current { color: var(--text-muted); text-decoration: line-through; }
.price-compare .arrow { color: var(--text-muted); }
.price-compare .suggested { color: var(--warning); font-weight: 700; }

/* ------------------------------------------------------- dashboard sections */

.dashboard-section { margin-bottom: 2rem; }
.section-heading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.section-heading h2 { margin: 0; }
.section-count {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 650;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
}
.section-empty { padding: 0.5rem 0 1rem; }

/* ------------------------------------------------------------- table view */

.thumb-xs {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  object-fit: cover;
  background: #f0efe9;
  display: block;
}
.row-link { cursor: pointer; }
.row-link:hover { background: var(--surface-alt); }

/* --------------------------------------------------------- simple charts */

.chart-block { padding: 1.25rem; }
.chart-legend { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; font-size: 0.8rem; color: var(--text-muted); }
.chart-legend span { display: inline-flex; align-items: center; gap: 0.35rem; }
.chart-legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.chart-rows { display: flex; flex-direction: column; gap: 0.6rem; }
.chart-row { display: grid; grid-template-columns: 64px 1fr; align-items: center; gap: 0.75rem; font-size: 0.8rem; }
.chart-row .chart-label { color: var(--text-muted); text-align: right; }
.chart-row .chart-bars { display: flex; flex-direction: column; gap: 0.2rem; }
.chart-bar-track { background: var(--surface-alt); border-radius: 4px; overflow: hidden; height: 9px; }
.chart-bar-fill { height: 100%; border-radius: 4px; }
.chart-bar-fill.revenue { background: var(--accent); }
.chart-bar-fill.cost { background: #c9c6bc; }
.chart-bar-fill.profit-pos { background: var(--success); }
.chart-bar-fill.profit-neg { background: var(--danger); }

/* -------------------------------------------------------------- bulk select */

.thumb-wrap { position: relative; }
.thumb-wrap .card-select {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  width: 1.15rem;
  height: 1.15rem;
  z-index: 2;
  accent-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.9);
  border-radius: 3px;
}

.bulk-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
}
.bulk-select-all {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
}
.bulk-select-all input { width: auto; }

/* ---------------------------------------------------------- reset password */

.reset-password-form {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  margin: 0;
}
.reset-password-form input {
  width: 150px;
  padding: 0.35rem 0.5rem;
  font-size: 0.82rem;
}

/* -------------------------------------------------------------- backup/restore */

.backup-restore-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 0.75rem;
}
.restore-form {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.restore-form .checkbox-field { margin: 0.75rem 0; }

/* ------------------------------------------------------------ mobile usability */

@media (max-width: 640px) {
  .container { padding: 1rem 0.85rem; }
  .topbar { flex-wrap: wrap; gap: 0.6rem; padding: 0.7rem 1rem; }
  .topbar nav { gap: 0.75rem; }
  .topbar .user-box { flex-wrap: wrap; gap: 0.5rem; }
  h1 { font-size: 1.3rem; }
  table { display: block; overflow-x: auto; white-space: nowrap; }
  .reset-password-form { flex-wrap: wrap; }
  .reset-password-form input { width: 100%; }
  .login-card { padding: 1.25rem; }
}