@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&family=Roboto+Mono&display=swap');

:root {
  /* Material 3 tonal palette (purple primary seed) */
  --bg: #FEF7FF;
  --panel: #FFFFFF;
  --panel-2: #F3EDF7;
  --border: #E7E0EC;
  --border-strong: #CAC4D0;
  --text: #1D1B20;
  --muted: #49454F;

  --accent: #6750A4;
  --accent-container: #EADDFF;
  --on-accent-container: #21005D;
  --accent-2: #006A6A;
  --accent-2-container: #6FF7F6;

  --success: #146C2E;
  --success-container: #C4EED0;
  --danger: #B3261E;
  --danger-container: #F9DEDC;
  --warn: #7A5900;
  --warn-container: #FFDF9C;

  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 28px;

  --elevation-1: 0 1px 2px rgba(0,0,0,.30), 0 1px 3px 1px rgba(0,0,0,.15);
  --elevation-2: 0 1px 2px rgba(0,0,0,.30), 0 2px 6px 2px rgba(0,0,0,.15);
  --elevation-3: 0 1px 3px rgba(0,0,0,.30), 0 4px 8px 3px rgba(0,0,0,.15);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Roboto', 'Segoe UI', Arial, sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

code, .mono { font-family: 'Roboto Mono', Consolas, monospace; }
a { color: var(--accent); text-decoration: none; font-weight: 500; }
a:hover { text-decoration: underline; }

/* ---------- brand mark ---------- */
.brand-mark { display: flex; align-items: center; gap: 12px; }
.brand-glyph {
  width: 40px; height: 40px; border-radius: var(--radius-sm); flex-shrink: 0;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #fff; font-size: 15px; letter-spacing: .02em;
}
.brand-name { font-size: 17px; font-weight: 500; letter-spacing: 0; color: var(--text); }
.brand-tagline { font-size: 11.5px; color: var(--muted); margin-top: 1px; }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; background: var(--panel-2); }
.login-box { width: 380px; background: var(--panel); border-radius: var(--radius); padding: 36px; box-shadow: var(--elevation-2); }
.login-box .brand-mark { margin-bottom: 28px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; font-weight: 500; letter-spacing: .02em; }
.field input {
  width: 100%; padding: 14px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: transparent; color: var(--text); font-size: 14px;
  font-family: inherit; transition: border-color .12s, box-shadow .12s;
}
.field input:focus { outline: none; border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.error-text { color: var(--danger); font-size: 13px; margin-bottom: 16px; background: var(--danger-container); padding: 12px 14px; border-radius: var(--radius-sm); font-weight: 500; }

/* ---------- buttons (Material filled / outlined / text) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 24px; border-radius: 20px; border: none; cursor: pointer;
  background: var(--accent); color: #fff; font-weight: 500; font-size: 14px;
  letter-spacing: .01em; transition: box-shadow .15s, background .15s;
  font-family: inherit;
}
.btn:hover { box-shadow: var(--elevation-1); background: #5a4593; }
.btn:active { box-shadow: none; transform: scale(.99); }

.btn.secondary {
  background: transparent; color: var(--accent); border: 1px solid var(--border-strong);
  padding: 9px 23px;
}
.btn.secondary:hover { background: var(--accent-container); box-shadow: none; border-color: var(--accent); }

.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--border-strong); padding: 9px 23px; }
.btn.danger:hover { background: var(--danger-container); box-shadow: none; }

.btn.ghost {
  background: transparent; color: var(--accent); border: none; padding: 8px 14px;
  font-size: 13px; border-radius: var(--radius-sm);
}
.btn.ghost:hover { background: var(--accent-container); box-shadow: none; }

.btn-block { width: 100%; }
.btn-sm { padding: 6px 16px; font-size: 12.5px; }

/* ---------- shell ---------- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 280px; background: var(--panel-2); flex-shrink: 0;
  padding: 24px 12px; display: flex; flex-direction: column;
}
.sidebar .brand-mark { padding: 0 8px; }
.sidebar-scroll { flex: 1; overflow-y: auto; margin: 22px 0 0; padding: 0 4px; }
.sidebar-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin: 8px 12px 8px; font-weight: 700; }

/* Material 3 navigation-drawer style items: pill indicator on active/hover */
.folder {
  display: block; padding: 12px 16px; border-radius: var(--radius-lg); margin-bottom: 4px;
  color: var(--text); position: relative; transition: background .12s;
}
.folder:hover { background: #E7E0EC; text-decoration: none; }
.folder.active { background: var(--accent-container); }
.folder.active .folder-title { color: var(--on-accent-container); }
.folder .folder-title { font-weight: 500; font-size: 13.5px; display: block; }
.folder .folder-meta { font-size: 11.5px; color: var(--muted); display: flex; align-items: center; gap: 6px; margin-top: 4px; }

.folder-actions { display: flex; gap: 6px; margin-top: 8px; }
.folder-actions form { flex: 1; }

.sidebar-empty { color: var(--muted); font-size: 12.5px; padding: 10px 12px; line-height: 1.6; }

/* ---------- main ---------- */
.main { flex: 1; padding: 32px 40px 60px; max-width: 1400px; }
h1 { font-size: 26px; font-weight: 400; margin: 0 0 6px; letter-spacing: 0; }
.subtitle { color: var(--muted); font-size: 14px; margin-bottom: 26px; }

.panel {
  background: var(--panel); border-radius: var(--radius);
  padding: 24px; margin-bottom: 24px; box-shadow: var(--elevation-1);
}
.panel h2 { font-size: 16px; font-weight: 500; margin: 0 0 18px; display: flex; align-items: center; gap: 8px; color: var(--text); }

.flash { padding: 14px 16px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 13.5px; background: var(--success-container); color: #072711; font-weight: 500; }
.flash.error { background: var(--danger-container); color: #410E0B; }

.form-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; }
.form-row .field { flex: 1; min-width: 220px; margin-bottom: 0; }

/* ---------- tags / badges (Material chips) ---------- */
.tag {
  display: inline-block; padding: 4px 12px; border-radius: 999px; font-size: 11px; font-weight: 500;
  letter-spacing: .02em; background: transparent; color: var(--muted); border: 1px solid var(--border-strong);
}
.tag.shopify { color: var(--success); border-color: #86D9A0; background: var(--success-container); }
.badge { display: inline-block; padding: 4px 12px; border-radius: 999px; font-size: 11.5px; font-weight: 600; }
.badge.in-stock { background: var(--success-container); color: var(--success); }
.badge.out-stock { background: var(--danger-container); color: var(--danger); }
.badge.unknown { background: var(--panel-2); color: var(--muted); }

/* ---------- workspace: product grid + detail ---------- */
.workspace { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 22px; align-items: start; }
@media (max-width: 1100px) { .workspace { grid-template-columns: 1fr; } }

.grid-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.grid-toolbar input[type=search] {
  padding: 9px 14px; border-radius: 999px; border: 1px solid var(--border-strong);
  background: var(--panel-2); color: var(--text); font-size: 13px; width: 220px; font-family: inherit;
}
.grid-toolbar input[type=search]:focus { outline: none; border-color: var(--accent); background: var(--panel); }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; max-height: 720px; overflow-y: auto; padding: 4px 4px 4px 0; }
.product-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-sm);
  overflow: hidden; cursor: pointer; transition: box-shadow .15s, border-color .15s; position: relative;
}
.product-card:hover { box-shadow: var(--elevation-2); border-color: transparent; }
.product-card.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-container); }
.product-card.selected { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); }

.pc-checkbox { display: none; position: absolute; top: 8px; left: 8px; z-index: 2; }
.product-grid.select-mode .pc-checkbox { display: block; }
.pc-checkbox input { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; }

.selection-bar {
  display: none; align-items: center; justify-content: space-between;
  background: var(--accent-container); color: var(--on-accent-container);
  border-radius: var(--radius-sm); padding: 10px 16px; margin-bottom: 14px; font-size: 13.5px;
}
.product-card .thumb { width: 100%; aspect-ratio: 1 / 1; background: var(--panel-2) center/cover no-repeat; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 11px; }
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.product-card .pc-body { padding: 10px 12px 12px; }
.product-card .pc-title { font-size: 12.5px; font-weight: 500; line-height: 1.35; margin: 0 0 5px; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-card .pc-price { font-size: 13px; color: var(--accent); font-weight: 700; }

.detail-panel { background: var(--panel); border-radius: var(--radius); padding: 22px; position: sticky; top: 20px; box-shadow: var(--elevation-1); }
.detail-empty { color: var(--muted); font-size: 13.5px; text-align: center; padding: 60px 10px; }

.detail-gallery { display: flex; gap: 8px; overflow-x: auto; margin-bottom: 18px; padding-bottom: 4px; }
.detail-gallery img { width: 76px; height: 76px; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--border); flex-shrink: 0; }

.detail-title { font-size: 17px; font-weight: 500; margin: 0 0 6px; color: var(--text); }
.detail-price { font-size: 22px; font-weight: 700; color: var(--accent); margin: 0 0 12px; }
.detail-row { margin-bottom: 16px; }
.detail-row label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 700; margin-bottom: 6px; }
.detail-row p { margin: 0; font-size: 13.5px; line-height: 1.6; color: var(--text); }

.variant-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.variant-table th, .variant-table td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
.variant-table th { color: var(--muted); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.variant-table td.unavailable { color: var(--danger); }

.option-chip { display: inline-block; padding: 4px 12px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border-strong); font-size: 11.5px; font-weight: 500; margin: 0 6px 6px 0; }

/* ---------- api panel ---------- */
.api-field { margin-bottom: 14px; }
.api-field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; font-weight: 500; }
.api-url { width: 100%; padding: 12px 14px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong); background: var(--panel-2); color: var(--accent); font-size: 12.5px; font-family: 'Roboto Mono', Consolas, monospace; }

.empty-state { color: var(--muted); font-size: 13.5px; padding: 30px 0; text-align: center; }

/* ---------- loader ---------- */
.loader { display: none; align-items: center; gap: 12px; margin-top: 16px; color: var(--muted); font-size: 13px; }
.loader.show { display: flex; }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--border); border-top-color: var(--accent); animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }