/* ZufaPro RFID Inventory — ZufaPro
   Shared styles for every page (dashboard now; gate/handheld/labels/login
   reuse this same file in later steps). Plain flexbox/grid, no framework —
   works down to phone widths and flips cleanly under [dir="rtl"]. */

:root {
  --c1: #0A2342; /* navy, matches the zufapro.com homepage design system */
  --c2: #12345c;
  --c3: #00C2E0; /* cyan accent */
  --bg: #f4f6fa;
  --card: #ffffff;
  --border: #dfe4ec;
  --text: #1c2733;
  --muted: #647085;
  --danger: #c0392b;
  --danger-bg: #fdecea;
  --ok: #1a7f4e;
  --ok-bg: #e8f6ee;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Cairo", "Noto Sans Arabic", system-ui, -apple-system, "Segoe UI", sans-serif;
}

[dir="rtl"] body { font-family: "Noto Sans Arabic", "Cairo", system-ui, sans-serif; }

a { color: var(--c2); }

.topbar {
  background: var(--c1);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.topbar .brand { font-weight: 700; font-size: 1.1rem; }

.topbar nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.topbar nav a, .topbar nav .nav-disabled {
  color: #cfe3ff;
  text-decoration: none;
  font-size: 0.95rem;
}
.topbar nav a.active { color: #fff; font-weight: 700; border-bottom: 2px solid var(--c3); }
.topbar nav .nav-disabled { opacity: 0.5; cursor: default; }

.topbar .controls { display: flex; align-items: center; gap: 0.75rem; }

button, .btn {
  font-family: inherit;
  background: var(--c1);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  font-size: 0.9rem;
}
button:hover, .btn:hover { background: var(--c2); }
button.secondary { background: transparent; border: 1px solid #fff; }
button.secondary:hover { background: rgba(255,255,255,0.12); }

main { max-width: 1100px; margin: 0 auto; padding: 1.25rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0.9rem; margin-bottom: 1.25rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}
.card .stat-label { color: var(--muted); font-size: 0.85rem; }
.card .stat-value { font-size: 1.8rem; font-weight: 700; color: var(--c1); }

section.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}
section.panel h2 { margin-top: 0; font-size: 1.05rem; color: var(--c1); }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: start; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }

.badge { display: inline-block; padding: 0.15rem 0.55rem; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.badge.low { background: var(--danger-bg); color: var(--danger); }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.in { background: var(--ok-bg); color: var(--ok); }
.badge.out { background: #fff4e0; color: #8a5a00; }

.filters { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: end; margin-bottom: 0.8rem; }
.filters label { display: flex; flex-direction: column; font-size: 0.8rem; color: var(--muted); gap: 0.25rem; }
.filters input, .filters select {
  font-family: inherit;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

#login-panel { max-width: 380px; margin: 3rem auto; text-align: center; }
#login-panel form { display: flex; flex-direction: column; gap: 0.6rem; margin-top: 1rem; }
#login-panel input { padding: 0.55rem 0.7rem; border: 1px solid var(--border); border-radius: 6px; font-family: inherit; }
#login-error { color: var(--danger); font-size: 0.85rem; min-height: 1.2em; }

canvas#timelineChart { max-width: 100%; }

footer { text-align: center; color: var(--muted); font-size: 0.85rem; padding: 1.5rem 1rem; }

[hidden] { display: none !important; }

.muted { color: var(--muted); }

/* Gate Station: two big always-focused scan inputs */
.scan-card input {
  width: 100%;
  font-family: inherit;
  font-size: 1.1rem;
  padding: 0.7rem 0.8rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  margin-top: 0.5rem;
}
.scan-card input:focus { border-color: var(--c3); outline: none; }

/* Handheld: mobile-first mode tabs + big tap targets */
.mode-tabs { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.mode-tab {
  flex: 1 1 auto;
  min-width: 100px;
  text-align: center;
  padding: 0.8rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  cursor: pointer;
  font-weight: 600;
  color: var(--muted);
}
.mode-tab.active { background: var(--c1); color: #fff; border-color: var(--c1); }

.big-field { width: 100%; font-family: inherit; font-size: 1.05rem; padding: 0.7rem 0.8rem; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 0.75rem; }
.big-button { width: 100%; font-size: 1.05rem; padding: 0.9rem; margin-bottom: 0.5rem; }
.field-label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.3rem; }

#qr-reader { width: 100%; max-width: 420px; margin: 0 auto 0.75rem; }

.result-box { border-radius: var(--radius); padding: 0.8rem 1rem; margin-bottom: 1rem; }
.result-box.ok { background: var(--ok-bg); color: var(--ok); }
.result-box.error { background: var(--danger-bg); color: var(--danger); }

.variance-pos { color: var(--danger); font-weight: 600; }
.variance-neg { color: #8a5a00; font-weight: 600; }
.variance-zero { color: var(--ok); font-weight: 600; }

@media (max-width: 640px) {
  main { padding: 0.75rem; }
  .topbar { padding: 0.6rem 0.85rem; }
  table { font-size: 0.82rem; }
  th, td { padding: 0.4rem; }
}