:root {
  --bg: #f6f1ea;
  --surface: #fffdf9;
  --text: #2c1810;
  --muted: #7a6558;
  --primary: #8b5a2b;
  --primary-dark: #6d4520;
  --accent: #d4a574;
  --border: #e8ddd2;
  --danger: #b42318;
  --ok: #1f7a4d;
  --shadow: 0 8px 24px rgba(44, 24, 16, 0.08);
  --radius: 14px;
  --nav-h: 64px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top right, rgba(212, 165, 116, 0.35), transparent 45%),
    var(--bg);
}

.login-card {
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 28px;
  box-shadow: var(--shadow);
  text-align: center;
}

.brand-mark { font-size: 2rem; margin-bottom: 8px; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255, 253, 249, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.back-menu.hidden {
  display: none;
}

.back-menu {
  flex-shrink: 0;
  white-space: nowrap;
}

.topbar-title { font-weight: 700; font-size: 1.05rem; }
.topbar-sub { color: var(--muted); font-size: 0.82rem; }

.page {
  padding: 16px 16px calc(var(--nav-h) + 24px);
  max-width: 1100px;
  margin: 0 auto;
}

.panel { display: none; }
.panel.active { display: block; }
.panel h2 { margin: 0 0 14px; font-size: 1.35rem; }
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
}

.stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-label { color: var(--muted); font-size: 0.85rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
  margin-bottom: 12px;
}

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.9rem;
  cursor: pointer;
}

.search, input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 11px 12px;
  font: inherit;
  background: #fff;
  margin-bottom: 10px;
}

textarea { min-height: 96px; resize: vertical; }

.btn {
  border: 0;
  border-radius: 12px;
  padding: 11px 14px;
  font: inherit;
  cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-sm { padding: 7px 10px; font-size: 0.85rem; }

.stack { display: grid; gap: 10px; }
.stack label span {
  display: block;
  margin-bottom: 4px;
  font-size: 0.88rem;
  color: var(--muted);
}

.list { display: grid; gap: 10px; }
.list.compact .item { padding: 10px 12px; }

.item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  display: grid;
  gap: 8px;
}

.item-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: start;
}

.item-title { font-weight: 600; }
.item-meta { color: var(--muted); font-size: 0.85rem; word-break: break-word; }

.tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-bottom: 10px;
  padding-bottom: 2px;
}
.tab {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 8px 12px;
  white-space: nowrap;
  cursor: pointer;
}
.tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: grid; }

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

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

.catalog-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: #efe6dc;
  display: block;
}

.catalog-card .body { padding: 10px; display: grid; gap: 6px; }
.catalog-card .title { font-weight: 600; font-size: 0.95rem; }
.catalog-card .actions { display: flex; gap: 6px; flex-wrap: wrap; }

.upload-hint {
  margin: 0 0 12px;
  padding: 10px 12px;
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: 12px;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 999px;
  background: #efe6dc;
}
.badge.off { background: #fde8e6; color: var(--danger); }

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--nav-h);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: rgba(255, 253, 249, 0.96);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--border);
  z-index: 30;
}

.nav-btn {
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 0.72rem;
  color: var(--muted);
  cursor: pointer;
}
.nav-btn.active { color: var(--primary); font-weight: 700; }

.modal.hidden, .toast.hidden { display: none; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: end center;
  padding: 16px;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(44, 24, 16, 0.35);
}
.modal-card {
  position: relative;
  width: min(520px, 100%);
  max-height: 85vh;
  overflow: auto;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 14px;
}
.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--nav-h) + 12px);
  transform: translateX(-50%);
  background: var(--text);
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  z-index: 60;
  font-size: 0.9rem;
}

.alert {
  border-radius: 12px;
  padding: 10px 12px;
  margin-bottom: 12px;
  text-align: left;
}
.alert-error {
  background: #fde8e6;
  color: var(--danger);
  border: 1px solid #f9c6c1;
}

.order-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 14px;
  margin: 12px 0;
}

.order-grid .muted { font-size: 0.75rem; display: block; margin-bottom: 2px; }

.dialog-list {
  display: grid;
  gap: 8px;
  max-height: 320px;
  overflow: auto;
}

.dialog-line {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 0.9rem;
}

.dialog-line .muted { font-size: 0.75rem; display: block; margin-bottom: 4px; }

@media (min-width: 900px) {
  .stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .bottom-nav { display: none; }
  .page { padding-bottom: 24px; }
  .topbar::after {
    content: "";
  }
}