:root {
  --bg: #f2f4f1; --surface: #ffffff; --surface-2: #e9ede7; --line: #d5dcd2;
  --fg: #17221c; --muted: #5b6a61; --accent: #1d6a4d; --accent-fg: #ffffff; --accent-soft: #dcebe3;
  --ok: #2c7a4b; --warn: #a8701a; --bad: #b3372e; --info: #2d6390;
  --board: #1c3a2e; --board-2: #234737; --board-line: #2f5a47;
  --chalk: #f3f0e4; --chalk-dim: #a8bfb2; --chalk-accent: #f0cd5a;
  --font-display: "Reem Kufi", "IBM Plex Sans Arabic", "Geeza Pro", Tahoma, sans-serif;
  --font-body: "IBM Plex Sans Arabic", "Geeza Pro", Tahoma, sans-serif;
  --r: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1612; --surface: #151f1a; --surface-2: #1c2922; --line: #2a3a31;
    --fg: #e3ebe5; --muted: #92a499; --accent: #5cbd92; --accent-fg: #0c1410; --accent-soft: #1e3a2d;
    --ok: #63c487; --warn: #e2aa4c; --bad: #ef7b70; --info: #7db2dc;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--fg); font-family: var(--font-body); font-size: 15px; line-height: 1.6; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; margin: 0; line-height: 1.3; }
.num { font-variant-numeric: tabular-nums; }

.topbar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 34px; height: 34px; border-radius: 9px; background: var(--accent); color: var(--accent-fg); display: grid; place-items: center; font-family: var(--font-display); font-size: 18px; }
.brand h1 { font-size: 17px; }
.brand small { display: block; color: var(--muted); font-size: 12px; font-family: var(--font-body); }
.switch { display: flex; background: var(--surface-2); border-radius: 999px; padding: 3px; }
.switch button { border: 0; background: transparent; padding: 6px 14px; border-radius: 999px; color: var(--muted); font-weight: 500; }
.switch button[aria-pressed="true"] { background: var(--surface); color: var(--fg); box-shadow: 0 1px 3px rgb(0 0 0 / .12); }
.conn { margin-inline-start: auto; display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.dot.off { background: var(--bad); }
.btn { border: 1px solid var(--line); background: var(--surface); padding: 6px 12px; border-radius: 8px; font-weight: 500; white-space: nowrap; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.btn.small { padding: 3px 10px; font-size: 13px; }
.btn[disabled] { opacity: .5; cursor: wait; }

.login { max-width: 380px; margin: 12vh auto 0; padding: 0 16px; display: grid; gap: 14px; }
.login h2 { font-size: 26px; }
.input { border: 1px solid var(--line); background: var(--surface); border-radius: 8px; padding: 9px 12px; width: 100%; }
.error { color: var(--bad); }
.note { font-size: 13px; color: var(--muted); }

.admin { display: grid; grid-template-columns: 200px minmax(0, 1fr); min-height: calc(100% - 58px); }
.side { border-inline-end: 1px solid var(--line); padding: 16px 10px; display: flex; flex-direction: column; gap: 2px; }
.side button { border: 0; background: transparent; text-align: start; padding: 9px 12px; border-radius: 8px; color: var(--muted); font-weight: 500; }
.side button:hover { background: var(--surface-2); color: var(--fg); }
.side button[aria-current="page"] { background: var(--accent-soft); color: var(--fg); }
.side .foot { margin-top: auto; padding: 12px; display: grid; gap: 8px; }
.main { padding: 20px 24px 40px; min-width: 0; display: flex; flex-direction: column; gap: 18px; }
.page-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 8px 16px; }
.page-head h2 { font-size: 24px; }
.page-head p { margin: 2px 0 0; color: var(--muted); }
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px; }
.kpi .label { color: var(--muted); font-size: 13px; }
.kpi .value { font-family: var(--font-display); font-size: 30px; line-height: 1.2; }
.kpi.alert .value { color: var(--warn); }
.cols { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 18px; align-items: start; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); min-width: 0; }
.panel-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.panel-head h3 { font-size: 16px; }
.panel-body { padding: 14px; display: grid; gap: 12px; }
.filters { display: flex; gap: 4px; flex-wrap: wrap; }
.filters button { border: 1px solid transparent; background: transparent; border-radius: 999px; padding: 2px 10px; font-size: 13px; color: var(--muted); }
.filters button[aria-pressed="true"] { border-color: var(--line); background: var(--surface-2); color: var(--fg); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: start; font-weight: 500; color: var(--muted); font-size: 12px; padding: 8px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tr.fresh td { animation: fresh 2.4s ease-out; }
@keyframes fresh { from { background: var(--accent-soft); } to { background: transparent; } }
.sub { display: block; color: var(--muted); font-size: 12px; }
.pos { font-family: var(--font-display); font-size: 18px; color: var(--accent); }
.pill { display: inline-block; border-radius: 999px; padding: 1px 10px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.pill.queued { background: color-mix(in srgb, var(--info) 15%, transparent); color: var(--info); }
.pill.released { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.pill.receipted { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.pill.unreceipted { background: color-mix(in srgb, var(--bad) 14%, transparent); color: var(--bad); }
.feed { list-style: none; margin: 0; padding: 0; }
.feed li { padding: 10px 14px; border-bottom: 1px solid var(--line); display: grid; gap: 2px; }
.feed li:last-child { border-bottom: 0; }
.feed .code { font-family: ui-monospace, Menlo, monospace; font-size: 11px; color: var(--bad); direction: ltr; text-align: end; }
.empty { padding: 22px 14px; text-align: center; color: var(--muted); }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.field { display: grid; gap: 4px; flex: 1 1 160px; }
.field label { font-size: 13px; color: var(--muted); }
.bars { display: grid; grid-template-columns: auto 1fr; gap: 6px 10px; align-items: center; font-size: 13px; }
.bar-row { display: flex; align-items: center; gap: 8px; }
.bar { height: 16px; background: var(--accent); border-radius: 0 4px 4px 0; min-width: 2px; }
.toast { position: fixed; right: 50%; bottom: 18px; transform: translateX(50%); background: var(--fg); color: var(--bg); padding: 8px 16px; border-radius: 8px; z-index: 50; max-width: calc(100% - 32px); }

/* شاشة العرض */
.display { background: var(--board); color: var(--chalk); min-height: calc(100% - 58px); display: flex; flex-direction: column; padding: 20px clamp(16px, 3vw, 40px) 24px; gap: 18px; }
.display.full { min-height: 100%; }
.d-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 24px; border-bottom: 2px solid var(--board-line); padding-bottom: 14px; }
.d-school { font-family: var(--font-display); font-size: clamp(20px, 2.6vw, 34px); }
.d-school small { display: block; font-family: var(--font-body); font-size: clamp(13px, 1.2vw, 16px); color: var(--chalk-dim); }
.d-clock { font-family: var(--font-display); font-size: clamp(30px, 4.4vw, 60px); color: var(--chalk-accent); line-height: 1; }
.d-banner { background: #5a2a22; color: #ffd9d2; border-radius: 10px; padding: 10px 16px; font-size: 17px; }
.d-title { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.d-title h2 { font-size: clamp(22px, 2.4vw, 32px); }
.d-title span { color: var(--chalk-dim); font-size: clamp(14px, 1.3vw, 18px); }
.d-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 14px; align-content: start; flex: 1; }
.d-card { background: var(--board-2); border: 2px solid var(--board-line); border-radius: 14px; padding: 14px 18px; display: grid; grid-template-columns: auto 1fr; gap: 2px 16px; align-items: center; }
.d-card .n { grid-row: span 2; font-family: var(--font-display); font-size: clamp(40px, 4.4vw, 62px); color: var(--chalk-accent); line-height: 1; min-width: 1.4em; text-align: center; }
.d-card .name { font-family: var(--font-display); font-size: clamp(24px, 2.6vw, 38px); line-height: 1.2; overflow-wrap: anywhere; }
.d-card .grade { color: var(--chalk-dim); font-size: clamp(15px, 1.4vw, 20px); }
.d-card.new { animation: arrive 1.6s ease-out; border-color: var(--chalk-accent); }
@keyframes arrive { 0% { transform: scale(.92); background: #3d6a54; } 30% { transform: scale(1.03); } 100% { transform: scale(1); } }
.d-empty { color: var(--chalk-dim); font-size: clamp(18px, 2vw, 26px); padding: 40px 0; text-align: center; grid-column: 1 / -1; }
.d-strip { border-top: 2px solid var(--board-line); padding-top: 12px; display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: center; }
.d-strip b { font-family: var(--font-display); font-weight: 500; color: var(--chalk-dim); }
.d-chip { border: 1px solid var(--board-line); border-radius: 999px; padding: 3px 14px; color: var(--chalk-dim); }
.d-controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; font-size: 13px; color: var(--chalk-dim); }
.d-btn { border: 1px solid var(--board-line); background: transparent; color: var(--chalk); border-radius: 8px; padding: 5px 12px; }
.d-btn.on { background: var(--chalk-accent); color: var(--board); border-color: var(--chalk-accent); }

@media (max-width: 1100px) { .cols { grid-template-columns: minmax(0, 1fr); } .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 760px) {
  .admin { grid-template-columns: minmax(0, 1fr); }
  .side { flex-direction: row; overflow-x: auto; border-inline-end: 0; border-bottom: 1px solid var(--line); padding: 8px 12px; }
  .side button { white-space: nowrap; flex: none; }
  .side .foot { display: none; }
  .main { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; } }

/* ── إضافات الخادم الفعلي ── */
.spread { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.stack { display: grid; gap: 10px; align-content: start; min-width: 0; }
.stack h3 { font-size: 16px; }
.grid-2 { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.side .count { background: var(--warn); color: #fff; border-radius: 999px; font-size: 11px; min-width: 20px; padding: 0 6px; margin-inline-start: 6px; display: inline-block; text-align: center; }
.btn.danger { color: var(--bad); }
.input.inline { width: auto; padding: 4px 8px; }
.code-box { direction: ltr; text-align: left; font-family: ui-monospace, Menlo, monospace; font-size: 12px; background: var(--surface-2); border-radius: 8px; padding: 10px; white-space: pre; overflow-x: auto; }
.report-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: 13px; }
.ok-text { color: var(--ok); } .bad-text { color: var(--bad); } .warn-text { color: var(--warn); }
.del-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px; display: grid; gap: 8px; }
.pill.pending { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.pill.approved { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.pill.rejected, .pill.revoked { background: color-mix(in srgb, var(--bad) 14%, transparent); color: var(--bad); }
.steps { margin: 0; padding-inline-start: 20px; display: grid; gap: 6px; }
.pair-code { font-family: var(--font-display); font-size: 56px; letter-spacing: .15em; color: var(--accent); text-align: center; }
.d-pair { max-width: 420px; margin: 10vh auto 0; display: grid; gap: 14px; text-align: center; }
.d-pair input { font-size: 32px; text-align: center; letter-spacing: .2em; background: var(--board-2); color: var(--chalk); border: 2px solid var(--board-line); border-radius: 12px; padding: 10px; }
.d-pair .error { color: #ffb4a8; }
@media (max-width: 1100px) { .grid-2 { grid-template-columns: minmax(0, 1fr); } }
tr.selected td { background: var(--accent-soft); }
.secret { border-color: var(--warn); }
tr.muted td { opacity: .55; }
.narrow { max-width: 420px; }
.inline-dot { display: inline-block; margin-inline-end: 6px; vertical-align: middle; }
.side .foot .note { padding: 0 4px; }
.main.wide { max-width: 1280px; margin: 0 auto; }
.sub-ok { color: var(--muted); }
.sub-warn { color: var(--warn); font-weight: 600; }
.sub-bad { color: var(--bad); font-weight: 600; }
.brand small.sub-warn, .brand small.sub-bad { font-family: var(--font-body); }
.sub-card { display: grid; gap: 6px; }
.sub-card .big { font-family: var(--font-display); font-size: 40px; line-height: 1.1; }
.code-input { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 18px; letter-spacing: .06em; text-transform: uppercase; text-align: center; direction: ltr; }
.brand small { display: block; }
/* الأكواد وكلمات المرور المؤقتة: خط ثابت العرض، يُقرأ حرفاً حرفاً، ولا يخرج عن الشاشة */
.secret-code {
  direction: ltr; text-align: center; unicode-bidi: isolate;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: clamp(22px, 4.2vw, 40px); font-weight: 600; letter-spacing: .06em;
  color: var(--accent); background: var(--surface-2); border-radius: 10px; padding: 14px 12px;
  overflow-wrap: anywhere; user-select: all; -webkit-user-select: all;
}
.secret-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.d-card.no-num { grid-template-columns: 1fr; }
.btn-link { border: 0; background: none; color: var(--accent); padding: 4px 0; text-decoration: underline; text-underline-offset: 3px; justify-self: start; cursor: pointer; }
/* القائمة المنسدلة تحت «الطلاب» */
.nav-group { display: grid; gap: 2px; }
.nav-group .caret { font-size: 11px; transition: transform .15s; display: inline-block; }
.nav-group button[aria-expanded="true"] .caret { transform: rotate(180deg); }
.sub-nav { display: grid; gap: 2px; padding-inline-start: 14px; border-inline-start: 2px solid var(--line); margin-inline-start: 12px; }
.sub-nav button { font-size: 14px; padding: 6px 10px; }
.sub-count { font-size: 11px; color: var(--muted); background: var(--surface-2); border-radius: 999px; padding: 0 7px; margin-inline-start: 6px; }
@media (max-width: 760px) { .nav-group { display: contents; } .sub-nav { display: flex; border: 0; margin: 0; padding: 0; } }

/* الاسم الإنجليزي تحت «سكول كول» */
img.brand-mark { display: block; object-fit: cover; }
.brand-en { display: block; direction: ltr; text-align: right; font-family: var(--font-body); font-size: 11px; font-weight: 500; letter-spacing: .08em; color: var(--muted); line-height: 1.2; }
.d-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: clamp(15px, 1.4vw, 20px); color: var(--chalk); }
.d-brand img { width: clamp(30px, 2.6vw, 42px); height: auto; border-radius: 8px; }
.d-brand span { display: flex; flex-direction: column; line-height: 1.15; }
.d-brand small { font-family: var(--font-body); font-size: .62em; font-weight: 500; letter-spacing: .08em; color: var(--chalk-dim); text-align: right; }
.d-pair .d-brand { justify-content: center; margin-bottom: 8px; }