/* ETS Pager — clean responsive UI. Logical properties keep RTL layouts correct. */
:root {
  --ets-navy: #0b3a5b;
  --ets-teal: #0f8b8d;
  --ets-bg: #f3f6f9;
  --ets-card: #ffffff;
  --ets-text: #14212b;
  --ets-muted: #5b6b78;
  --ets-border: #d9e1e8;
  --ok: #157f3b;
  --ok-bg: #e5f6eb;
  --ready: #0a7d32;
  --ready-bg: #d9f7e3;
  --prep: #8a5a00;
  --prep-bg: #fff3d6;
  --done: #46525c;
  --done-bg: #e9edf1;
  --danger: #b42318;
  --danger-bg: #fdecea;
  --warn: #9a5b00;
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Noto Sans Arabic", Tahoma, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: var(--font); background: var(--ets-bg); color: var(--ets-text); line-height: 1.45; -webkit-text-size-adjust: 100%; }
h1 { font-size: 1.4rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 1.25rem 0 0.5rem; color: var(--ets-navy); }
h3 { font-size: 1rem; margin: 0 0 0.75rem; }
[hidden] { display: none !important; }

/* top bar */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; padding: 0.7rem 1rem; background: var(--ets-navy); color: #fff; position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 600; }
.logo { background: #fff; color: var(--ets-navy); font-weight: 800; border-radius: 8px; padding: 0.15rem 0.45rem; letter-spacing: 0.04em; }
.topbar-actions { display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap; }
.topbar .btn-link, .topbar .muted { color: #e6eef5; }

/* controls */
button, .btn-primary, .btn-secondary, .btn-danger, .btn-ready { font: inherit; cursor: pointer; border-radius: 10px; padding: 0.65rem 1.1rem; border: 1px solid transparent; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; min-height: 44px; }
button:disabled { opacity: 0.55; cursor: wait; }
.btn-primary { background: var(--ets-teal); color: #fff; font-weight: 600; }
.btn-secondary { background: #fff; color: var(--ets-navy); border-color: var(--ets-border); }
.btn-danger { background: var(--danger); color: #fff; font-weight: 600; }
.btn-ready { background: var(--ready); color: #fff; font-weight: 700; }
.btn-link { background: none; border: none; color: var(--ets-teal); padding: 0.2rem; min-height: auto; text-decoration: underline; }
.btn-big { width: 100%; font-size: 1.15rem; padding: 0.9rem; margin-block-start: 0.5rem; }
input { font: inherit; font-size: 1.2rem; padding: 0.6rem 0.75rem; border: 1px solid var(--ets-border); border-radius: 10px; width: 100%; margin-block-start: 0.3rem; }
input:focus, button:focus-visible, a:focus-visible { outline: 3px solid #7cc4c5; outline-offset: 2px; }
label { display: block; margin-block-end: 0.9rem; font-weight: 600; }

.card { background: var(--ets-card); border: 1px solid var(--ets-border); border-radius: var(--radius); padding: 1.1rem; box-shadow: 0 1px 2px rgba(11, 58, 91, 0.06); }
.muted { color: var(--ets-muted); }
.small { font-size: 0.88rem; }
.center { text-align: center; }
.error { color: var(--danger); }
.ok { color: var(--ok); }
.warn { color: var(--warn); }

.conn { font-size: 0.8rem; border-radius: 999px; padding: 0.15rem 0.6rem; font-weight: 600; }
.conn-live { background: #1f9d55; color: #fff; }
.conn-reconnecting { background: #f2b01e; color: #222; }
.conn-offline { background: var(--danger); color: #fff; }

.status-chip { display: inline-block; font-weight: 700; border-radius: 999px; padding: 0.3rem 0.85rem; font-size: 1rem; }
.chip-preparing { background: var(--prep-bg); color: var(--prep); }
.chip-ready { background: var(--ready-bg); color: var(--ready); }
.chip-collected, .chip-cancelled { background: var(--done-bg); color: var(--done); }

/* ---------------- customer ---------------- */
.customer .c-main { max-width: 520px; margin: 0 auto; padding: 1rem; display: flex; flex-direction: column; gap: 1rem; }
.pager-card { text-align: center; border-width: 2px; border-color: var(--ets-teal); }
.pager-card .label { font-size: 1.05rem; color: var(--ets-muted); }
.pager-code { font-size: clamp(5rem, 30vw, 8.5rem); font-weight: 800; letter-spacing: 0.08em; color: var(--ets-navy); line-height: 1.05; font-variant-numeric: tabular-nums; margin: 0.3rem 0; }
.instruction { font-size: 1.35rem; font-weight: 700; margin: 0.4rem 0; }
.order-card { text-align: center; }
.order-card .order-head { display: flex; flex-direction: column; align-items: center; }
.order-card .label { color: var(--ets-muted); font-size: 1.05rem; }
.order-ref { font-size: clamp(3.2rem, 18vw, 5.5rem); font-weight: 800; color: var(--ets-navy); line-height: 1.1; font-variant-numeric: tabular-nums; word-break: break-all; }
.order-card .status-chip { font-size: 1.3rem; margin: 0.5rem 0; }
.order-card.status-ready { border: 3px solid var(--ready); background: #f3fdf6; animation: pulse 1.6s ease-in-out 3; }
.order-card.status-collected, .order-card.status-cancelled { opacity: 0.75; }
.order-card.status-collected .order-ref, .order-card.status-cancelled .order-ref { font-size: 2.2rem; }
.ack { color: var(--ok); font-weight: 600; }
.queue-line { font-size: 1.15rem; }
.queue-line .queue-no { font-size: 2.4rem; font-weight: 800; color: var(--ets-teal); font-variant-numeric: tabular-nums; margin-inline-start: 0.35rem; }
.ahead { font-size: 1.35rem; font-weight: 700; color: var(--ets-navy); margin: 0.3rem 0; }
.ahead-next { color: var(--ready); }
.notice { text-align: center; font-size: 1.1rem; }
.flash { background: var(--danger-bg); color: var(--danger); border-radius: 10px; padding: 0.7rem; text-align: center; }
.c-footer { max-width: 520px; margin: 0 auto; padding: 0 1rem 2rem; text-align: center; }
.notif-box { margin-block-start: 1rem; padding-block-start: 0.75rem; border-block-start: 1px solid var(--ets-border); }
.notif-box[data-state="enabled"] p { color: var(--ok); font-weight: 600; }
.push-line { font-size: 0.82rem; color: var(--ets-muted); }
.keep-open { background: #fff8e1; border: 1px solid #f2d27a; border-radius: 10px; padding: 0.75rem; font-weight: 600; }
@keyframes pulse { 50% { box-shadow: 0 0 0 10px rgba(10, 125, 50, 0.15); } }

/* ---------------- staff ---------------- */
.login-wrap { display: flex; justify-content: center; padding: 2rem 1rem; }
.login-card { width: 100%; max-width: 420px; }
.branch-list { display: flex; flex-direction: column; gap: 0.6rem; }
.banner { margin: 0; padding: 0.8rem 1rem; font-weight: 600; }
.banner-error { background: var(--danger-bg); color: var(--danger); }
.banner-warn { background: #fff4d6; color: #6b4a00; }
.banner-ok { background: var(--ok-bg); color: var(--ok); }
.board { display: grid; grid-template-columns: minmax(280px, 1fr) 2fr; gap: 1.25rem; padding: 1rem; max-width: 1400px; margin: 0 auto; }
@media (max-width: 860px) { .board { grid-template-columns: 1fr; } }
.pager-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 0.6rem; margin-block-end: 1rem; }
.pager-tile { background: #fff; border: 2px solid var(--ets-border); border-radius: var(--radius); padding: 0.4rem; text-align: center; }
.pager-tile.selected { border-color: var(--ets-teal); background: #e7f6f6; }
.pager-btn { width: 100%; background: none; border: none; font-size: 2.6rem; font-weight: 800; color: var(--ets-navy); padding: 0.2rem; font-variant-numeric: tabular-nums; }
.pair-form { position: sticky; top: 4.2rem; }
.pair-selected { display: flex; align-items: baseline; gap: 0.8rem; margin-block-end: 0.6rem; }
.sel-code { font-size: 2.6rem; font-weight: 800; color: var(--ets-teal); font-variant-numeric: tabular-nums; }
.orders { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 0.8rem; }
.order-row { display: flex; flex-direction: column; gap: 0.6rem; }
.order-row .order-ref.big { font-size: 2.2rem; }
.queue-tag { font-size: 1.3rem; font-weight: 800; color: var(--ets-teal); }
.queue-tag.legacy { font-weight: 400; }
.order-row.status-ready { border: 2px solid var(--ready); }
.order-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.order-actions button { flex: 1 1 auto; }
.recent .order-row { opacity: 0.75; }
.recent .order-row .order-ref.big { font-size: 1.6rem; }
.recent .queue-tag { font-size: 1.05rem; }
.ack-badge { background: #e0efff; color: #0b4a8b; border-radius: 8px; padding: 0.25rem 0.5rem; font-weight: 700; display: inline-block; }

/* QR */
.qr-main { display: flex; flex-direction: column; align-items: center; padding: 1.5rem 1rem; gap: 1rem; }
.qr-card { text-align: center; max-width: 520px; width: 100%; }
.qr-card img { width: min(360px, 80vw); height: auto; image-rendering: pixelated; }
.qr-scan { font-size: 1.2rem; font-weight: 700; }
.qr-actions { display: flex; gap: 0.6rem; justify-content: center; flex-wrap: wrap; }
@media print {
  .no-print { display: none !important; }
  body { background: #fff; }
  .qr-card { border: none; box-shadow: none; }
}