/* RRB Wireless — Inventory & Repair Tracker */
:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #1c2530;
  --muted: #6b7684;
  --line: #dfe5eb;
  --accent: #0b6bcb;
  --accent-dark: #0959a8;
  --danger: #c0392b;
  --ok: #1e8449;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg); color: var(--ink); font-size: 15px;
}

/* ---------- login ---------- */
.login-body { display: flex; min-height: 100vh; align-items: center; justify-content: center; padding: 20px; }
.login-card {
  background: var(--card); border-radius: var(--radius); padding: 32px;
  width: 100%; max-width: 380px; box-shadow: 0 8px 30px rgba(0,0,0,.08);
}
.login-card h1 { margin: 0 0 4px; }
.muted { color: var(--muted); }
.error { color: var(--danger); font-size: 14px; }

/* ---------- layout ---------- */
.topbar {
  display: flex; align-items: center; gap: 16px;
  background: var(--card); border-bottom: 1px solid var(--line);
  padding: 10px 20px; position: sticky; top: 0; z-index: 50;
}
.brand { font-weight: 700; font-size: 18px; }
.tabs { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.tab {
  border: none; background: none; padding: 10px 14px; font-size: 15px;
  border-radius: 8px; cursor: pointer; color: var(--ink);
}
.tab.active, .tab:hover { background: #e8eef5; }
main { max-width: 1200px; margin: 0 auto; padding: 24px 20px 60px; }
h2 { margin-top: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin-bottom: 24px; }
.card { background: var(--card); border-radius: var(--radius); padding: 16px; border: 1px solid var(--line); }
.card .big { font-size: 28px; font-weight: 700; }
.card .label { color: var(--muted); font-size: 13px; }

/* ---------- toolbar / tables ---------- */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; align-items: center; }
.toolbar input[type="search"], .toolbar select { padding: 9px 10px; }
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { background: #eef2f6; font-weight: 600; }
tbody tr:hover { background: #f7fafc; }

/* ---------- forms / buttons ---------- */
label { display: block; margin-bottom: 10px; font-size: 14px; font-weight: 500; }
input, select, textarea {
  width: 100%; padding: 9px 10px; margin-top: 4px; font-size: 15px;
  border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink);
}
textarea { resize: vertical; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } }
.btn {
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  padding: 9px 16px; border-radius: 8px; font-size: 14px; cursor: pointer;
}
.btn:hover { background: #eef2f6; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); }
.btn.small { padding: 6px 10px; font-size: 13px; }
.btn.danger { color: var(--danger); border-color: #e7b8b2; }
.row { display: flex; gap: 8px; margin-top: 8px; }
.row input { flex: 1; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
.panel h3 { margin-top: 0; }

/* ---------- modal ---------- */
.modal {
  position: fixed; inset: 0; background: rgba(15,25,35,.5);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 30px 16px; overflow-y: auto; z-index: 100;
}
.modal[hidden] { display: none; }
.modal-card { background: #fff; border-radius: 12px; padding: 24px; width: 100%; max-width: 620px; }
.modal-card.wide { max-width: 760px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; flex-wrap: wrap; }

/* ---------- checklist ---------- */
.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; margin: 8px 0 14px; }
@media (max-width: 640px) { .checklist { grid-template-columns: 1fr; } }
.check-item {
  display: flex; align-items: center; justify-content: space-between;
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px;
}
.check-item .toggle { display: flex; gap: 6px; }
.toggle button { border: 1px solid var(--line); background: #fff; border-radius: 6px; padding: 5px 10px; font-size: 13px; cursor: pointer; }
.toggle button.on-ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.toggle button.on-bad { background: var(--danger); border-color: var(--danger); color: #fff; }

/* ---------- signature pad ---------- */
#sig-canvas {
  width: 100%; max-width: 600px; height: 180px;
  border: 2px dashed var(--line); border-radius: 8px; background: #fbfcfd;
  touch-action: none; cursor: crosshair;
}
.sig-actions { margin-top: 8px; display: flex; gap: 10px; align-items: center; }

/* ---------- status pills ---------- */
.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.pill.in_stock { background: #e2f3e8; color: var(--ok); }
.pill.in_repair, .pill.in_progress { background: #fdf0d5; color: #9a6b00; }
.pill.sold, .pill.picked_up, .pill.closed { background: #e8eef5; color: var(--muted); }
.pill.intake { background: #e3ecf9; color: var(--accent); }
.pill.ready { background: #e2f3e8; color: var(--ok); }

#print-area { display: none; }

/* ============================================================
   80mm THERMAL RECEIPT PRINT — Epson TM-T20III
   Prints from the browser print dialog. Keep the receipt narrow,
   high-contrast, and image-light (one signature PNG only).
   ============================================================ */
@media print {
  @page { size: 80mm auto; margin: 0; }
  body { background: #fff; }
  body > #app { display: none !important; }
  #print-area { display: block !important; }
  .receipt {
    width: 72mm; margin: 0 auto; padding: 3mm 0;
    font-family: "Courier New", Courier, monospace;
    font-size: 11px; line-height: 1.35; color: #000;
  }
  .receipt h1 { font-size: 15px; text-align: center; margin: 0 0 2mm; }
  .receipt .center { text-align: center; }
  .receipt hr { border: none; border-top: 1px dashed #000; margin: 2mm 0; }
  .receipt table { width: 100%; border-collapse: collapse; font-size: 11px; }
  .receipt td { padding: 1px 0; vertical-align: top; }
  .receipt td.k { white-space: nowrap; padding-right: 2mm; }
  .receipt .terms { font-size: 9.5px; }
  .receipt img.sig { width: 60mm; height: auto; display: block; margin: 2mm auto; border-bottom: 1px solid #000; }
  .receipt .sig-line { margin-top: 6mm; border-top: 1px solid #000; text-align: center; font-size: 10px; }
}