/* styles.css — Mock Company Dashboard styling.
   Vanilla CSS only (no build step). Kept intentionally clean and professional:
   a training visual should render well on a projector. */

:root {
  --bg: #f1f5f9;
  --surface: #ffffff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --brand: #1d4ed8;
  --brand-dark: #0f172a;
  --ok: #059669;
  --ok-bg: #ecfdf5;
  --warn: #d97706;
  --warn-bg: #fffbeb;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 8px 24px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 32px;
  background: var(--brand-dark);
  color: #fff;
}
.topbar__brand { display: flex; align-items: center; gap: 14px; }
.topbar__logo {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563eb, #1e40af);
  font-size: 22px;
}
.topbar h1 { margin: 0; font-size: 18px; letter-spacing: .01em; }
.topbar p { margin: 2px 0 0; font-size: 13px; color: #cbd5e1; }
.pill {
  font-size: 12.5px;
  background: rgba(255,255,255,.12);
  padding: 6px 12px;
  border-radius: 999px;
  color: #e2e8f0;
}
.pill strong { color: #fff; }

/* Layout */
.wrap { max-width: 1180px; margin: 0 auto; padding: 28px 32px 64px; }

/* Controls */
.controls {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.field { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.field select {
  font-size: 14.5px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  min-width: 320px;
  color: var(--ink);
}
.btn {
  font-size: 14.5px;
  font-weight: 600;
  padding: 10px 20px;
  border: 0;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  cursor: pointer;
  transition: background .15s ease, transform .05s ease;
}
.btn:hover { background: #1e40af; }
.btn:active { transform: translateY(1px); }
.status-line { margin-left: auto; display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--muted); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #cbd5e1; }
.dot.ok { background: var(--ok); box-shadow: 0 0 0 4px rgba(5,150,105,.15); }
.dot.err { background: var(--danger); box-shadow: 0 0 0 4px rgba(220,38,38,.15); }

/* Summary cards */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--brand);
}
.card--warn { border-top-color: var(--warn); }
.card--danger { border-top-color: var(--danger); }
.card--ok { border-top-color: var(--ok); }
.card__label { display: block; font-size: 12.5px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.card__value { display: block; font-size: 32px; font-weight: 700; margin: 6px 0 2px; }
.card__hint { font-size: 12px; color: var(--muted); }

/* Panel + table */
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}
.panel__head h2 { margin: 0; font-size: 16px; }
.sync { font-size: 13px; color: var(--muted); }
.sync strong { color: var(--ink); }

.table-wrap { overflow-x: auto; }
.stock-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.stock-table th, .stock-table td { text-align: left; padding: 12px 22px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.stock-table thead th {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
  background: #f8fafc;
}
.stock-table tbody tr:hover { background: #f8fafc; }
.stock-table .num { text-align: right; }
.stock-table td.num { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.stock-table .empty { text-align: center; color: var(--muted); padding: 32px; }

/* Status badges — colour-coded so non-technical users read them instantly */
.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  text-transform: capitalize;
}
.badge.available { background: var(--ok-bg); color: var(--ok); }
.badge.low { background: var(--warn-bg); color: var(--warn); }
.badge.out { background: var(--danger-bg); color: var(--danger); }

/* Error state */
.error-state {
  margin: 22px;
  padding: 18px 20px;
  border: 1px solid #fecaca;
  background: #fef2f2;
  border-radius: 12px;
  color: #7f1d1d;
}
.error-state pre {
  background: #0f172a;
  color: #e2e8f0;
  padding: 12px 14px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13px;
}
.error-state code { background: #fee2e2; padding: 1px 6px; border-radius: 5px; }

.footnote { margin: 0; padding: 14px 22px; font-size: 12.5px; color: var(--muted); border-top: 1px solid var(--line); }
.footnote code { background: #f1f5f9; padding: 1px 6px; border-radius: 5px; font-family: ui-monospace, Menlo, monospace; }

@media (max-width: 860px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .field select { min-width: 220px; }
  .status-line { margin-left: 0; width: 100%; }
}