:root {
  --bg: #f1f5f9;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --ink: #0f172a;
  --ink-muted: #475569;
  --line: #e2e8f0;
  --brand: #7c3aed;
  --accent: #16a34a;
  --warn: #b45309;
  --danger: #dc2626;
  --shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

input, select, button, textarea { font: inherit; color: inherit; }

/* Gate */
.gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
}
.gate-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 32px 28px;
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow);
  text-align: center;
  display: grid;
  gap: 10px;
}
.gate-card img { width: 56px; height: 56px; margin: 0 auto; border-radius: 12px; object-fit: contain; }
.gate-card h1 { margin: 0; font-size: 20px; }
.gate-card p { margin: 0; color: var(--ink-muted); font-size: 13px; }
.gate-card form { display: grid; gap: 8px; margin-top: 8px; }
.gate-card input {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  text-align: center;
  letter-spacing: 0.2em;
  font-size: 16px;
}
.gate-card button {
  padding: 12px;
  border-radius: 10px;
  border: 0;
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
.gate-card small { color: var(--ink-muted); font-size: 11px; }
.gate-foot a { color: var(--ink-muted); font-size: 12px; }

/* Shell */
.ad-topbar {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.ad-topbar-brand { display: flex; align-items: center; gap: 12px; }
.ad-topbar-brand img { width: 36px; height: 36px; border-radius: 10px; object-fit: contain; }
.ad-topbar-brand strong { display: block; font-size: 15px; }
.ad-topbar-brand small { display: block; font-size: 12px; color: var(--ink-muted); }

.ad-tabs { display: flex; gap: 4px; background: var(--surface-2); padding: 4px; border-radius: 999px; }
.ad-tabs button {
  border: 0;
  background: transparent;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  color: var(--ink-muted);
}
.ad-tabs button.active { background: var(--ink); color: #fff; }

.ad-topbar-actions { display: flex; gap: 8px; align-items: center; }
.ad-topbar-actions select {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 13px;
}
.ad-ghost {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
}

.ad-main {
  padding: 24px;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
}

/* Cards */
.ad-card {
  background: var(--surface);
  border-radius: 12px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.ad-empty {
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  color: var(--ink-muted);
  font-size: 14px;
}

/* Stat strip */
.ad-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.ad-stat {
  background: var(--surface);
  border-radius: 12px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.ad-stat strong { display: block; font-size: 22px; }
.ad-stat span { font-size: 12px; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* Reports table */
.ad-table { width: 100%; border-collapse: collapse; }
.ad-table th, .ad-table td {
  text-align: left;
  padding: 10px 12px;
  font-size: 13px;
  border-bottom: 1px solid var(--line);
}
.ad-table th { color: var(--ink-muted); text-transform: uppercase; font-size: 11px; letter-spacing: 0.05em; font-weight: 600; }
.ad-table tr:last-child td { border-bottom: 0; }
.ad-row-btn {
  border: 0;
  background: transparent;
  cursor: pointer;
  color: var(--brand);
  font-weight: 600;
  font-size: 13px;
}

.ad-tag {
  display: inline-block;
  background: var(--surface-2);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 11px;
  color: var(--ink-muted);
}
.ad-tag.green { background: #dcfce7; color: #166534; }
.ad-tag.red { background: #fee2e2; color: #b91c1c; }
.ad-tag.amber { background: #fef3c7; color: #92400e; }

/* Detail drawer */
.ad-drawer-back {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  z-index: 50;
}
.ad-drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(560px, 100vw);
  background: var(--surface);
  z-index: 51;
  overflow: auto;
  box-shadow: -8px 0 24px rgba(15, 23, 42, 0.18);
  padding: 20px;
  display: grid;
  gap: 16px;
}
.ad-drawer header { display: flex; justify-content: space-between; align-items: center; }
.ad-drawer header h2 { margin: 0; font-size: 18px; }
.ad-drawer header button {
  border: 0;
  background: var(--surface-2);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 13px;
}
.ad-section { background: var(--surface-2); border-radius: 12px; padding: 14px; }
.ad-section h3 { margin: 0 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-muted); }
.ad-kv { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; font-size: 13px; }
.ad-kv span { color: var(--ink-muted); }

.ad-checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 13px; }
.ad-checklist li { display: flex; align-items: center; gap: 8px; }
.ad-checklist li::before { content: "✓"; color: var(--accent); font-weight: 700; }
.ad-checklist li.miss { color: var(--ink-muted); }
.ad-checklist li.miss::before { content: "✗"; color: var(--danger); }

.ad-stock-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 6px 12px;
  font-size: 13px;
}
.ad-stock-grid div { display: flex; justify-content: space-between; gap: 8px; padding: 4px 0; border-bottom: 1px dashed var(--line); }
.ad-stock-grid div span:last-child { font-variant-numeric: tabular-nums; font-weight: 600; }
.ad-stock-grid div.zero span:last-child { color: var(--ink-muted); font-weight: 400; }

.ad-stock-cat { margin-top: 12px; }
.ad-stock-cat h4 { margin: 0 0 4px; font-size: 12px; text-transform: uppercase; color: var(--ink-muted); letter-spacing: 0.05em; }

.ad-photo { border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
.ad-photo img { display: block; width: 100%; height: auto; }

.ad-photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.ad-photo-card {
  background: var(--surface);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: grid;
}
.ad-photo-card img { aspect-ratio: 4 / 3; object-fit: cover; }
.ad-photo-card .meta { padding: 10px 12px; font-size: 12px; }
.ad-photo-card .meta strong { display: block; font-size: 13px; }
.ad-photo-card .meta span { color: var(--ink-muted); }

.ad-suggestion {
  background: var(--surface);
  border-radius: 12px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 6px;
}
.ad-suggestion h4 { margin: 0; font-size: 14px; }
.ad-suggestion p { margin: 0; font-size: 13px; color: var(--ink-muted); }
.ad-suggestion .row { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }

/* Settings */
.ad-settings { display: grid; gap: 16px; max-width: 520px; }
.ad-settings .ad-card { display: grid; gap: 10px; }
.ad-settings label { display: grid; gap: 6px; font-size: 13px; }
.ad-settings input { padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface-2); }
.ad-settings button { background: var(--ink); color: #fff; border: 0; border-radius: 8px; padding: 10px 14px; font-weight: 600; cursor: pointer; }
.ad-settings .danger { background: var(--danger); }

/* Form Builder */
.ad-subtabs {
  display: flex;
  gap: 4px;
  background: var(--surface-2);
  padding: 4px;
  border-radius: 999px;
  width: fit-content;
}
.ad-subtabs button {
  border: 0;
  background: transparent;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  color: var(--ink-muted);
  font-weight: 500;
}
.ad-subtabs button.active { background: var(--ink); color: #fff; }

.ad-fb { display: grid; gap: 10px; background: var(--surface-2); }
.ad-fb-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.ad-fb-head h3 {
  margin: 0;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
}
.ad-fb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}
.ad-fb-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
}
.ad-fb-list--items li {
  grid-template-columns: 1fr 180px 160px auto;
}
.ad-fb-list input,
.ad-fb-list select {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-size: 13px;
  width: 100%;
}
.ad-fb-actions {
  display: flex;
  gap: 4px;
  flex-wrap: nowrap;
}
.ad-fb-actions button {
  padding: 6px 10px;
  font-size: 12px;
}
.ad-fb-add {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 4px;
}
.ad-fb-add input,
.ad-fb-add select {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-size: 13px;
  flex: 1;
  min-width: 140px;
}
.ad-fb-rep th, .ad-fb-rep td { vertical-align: middle; }
.ad-fb-rep input[type="text"], .ad-fb-rep input:not([type]) {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-size: 13px;
}
.ad-fb-rep input[type="checkbox"] { width: 18px; height: 18px; }

@media (max-width: 720px) {
  .ad-fb-list--items li { grid-template-columns: 1fr; }
  .ad-fb-actions { justify-content: flex-end; }
}

@media (max-width: 720px) {
  .ad-topbar { grid-template-columns: 1fr; gap: 10px; padding: 14px 16px; }
  .ad-tabs { overflow-x: auto; }
  .ad-stats { grid-template-columns: repeat(2, 1fr); }
  .ad-main { padding: 16px; }
  .ad-table th:nth-child(3), .ad-table td:nth-child(3) { display: none; }
}