/* ألوان وخطوط المنصة: ورق دفتر وحبر أزرق في الوضع الفاتح، وسبورة في الداكن. */
:root {
  --paper: #EEF2F7; --sheet: #FBFCFE; --ink: #18263B; --ink-soft: #56657B;
  --rule: #CFD9E6; --accent: #1D5AA6; --on-accent: #FFFFFF; --chip: #E3EAF3;
  --ok: #1B7447; --ok-bg: #DDEFE4; --warn: #8A5A00; --warn-bg: #FAEBCB; --bad: #AE2A22; --bad-bg: #F9E0DD;
  --f-head: "Reem Kufi", "IBM Plex Sans Arabic", Tahoma, sans-serif;
  --f-ui: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #141D1A; --sheet: #1B2622; --ink: #E9EEE8; --ink-soft: #9FB0A6;
    --rule: #2F3E38; --accent: #9CC3EE; --on-accent: #10202F; --chip: #26342F;
    --ok: #86D3A4; --ok-bg: #1F3A2C; --warn: #E6C16A; --warn-bg: #3A3220; --bad: #F0A09A; --bad-bg: #40211F;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1rem/1.7 var(--f-ui); }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
h1 { font: 700 1.75rem/1.3 var(--f-head); margin: 0 0 8px; }
h2 { font: 600 1.125rem/1.5 var(--f-ui); margin: 0; }

/* الشريط العلوي */
.topbar { background: var(--sheet); border-bottom: 1px solid var(--rule); }
.topbar-in { max-width: 1100px; margin: 0 auto; padding: 12px 16px; display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; justify-content: space-between; }
.brand { font: 700 1.25rem/1.2 var(--f-head); color: var(--ink); text-decoration: none; }
.nav { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: center; font-size: .9375rem; }
.nav a { color: var(--ink-soft); text-decoration: none; }
.nav a.on, .nav a:hover { color: var(--accent); }
.who { color: var(--ink-soft); font-size: .875rem; }
.inline { display: inline; margin: 0; }

/* المحتوى */
.wrap { max-width: 1100px; margin: 0 auto; padding: 28px 16px 64px; }
.wrap.narrow { max-width: 560px; }
.head { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.lead { color: var(--ink-soft); margin: 0 0 16px; }
.hint { color: var(--ink-soft); font-size: .875rem; margin: 8px 0 0; }
.center { text-align: center; }
.flash { background: var(--ok-bg); color: var(--ok); padding: 10px 14px; border-radius: 6px; margin: 0 0 20px; }

.card { background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; padding: 20px; }
.empty { display: grid; gap: 12px; justify-items: start; }
.steps { margin: 0; padding-inline-start: 1.4em; display: grid; gap: 4px; }

/* النماذج */
.form { display: grid; gap: 6px; }
.form label { font-weight: 500; font-size: .9375rem; margin-top: 8px; }
.form label small { color: var(--ink-soft); font-weight: 400; }
input[type=text], input[type=email], input[type=password], input[type=tel], select, textarea {
  width: 100%; font: 400 1rem/1.5 var(--f-ui); color: var(--ink); background: var(--paper);
  border: 1px solid var(--rule); border-radius: 6px; padding: 9px 12px;
}
input[type=file] { font: inherit; color: var(--ink-soft); max-width: 100%; }
textarea { resize: vertical; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.cols > div { display: grid; gap: 6px; min-width: 0; }
.check { display: flex; gap: 8px; align-items: center; font-weight: 400 !important; }
.err { color: var(--bad); font-size: .875rem; margin: 0; }
.err:empty { display: none; }

.btn { display: inline-block; font: 500 .9375rem/1.2 var(--f-ui); padding: 11px 18px; border-radius: 6px; border: 1px solid var(--rule); background: var(--sheet); color: var(--ink); cursor: pointer; text-decoration: none; text-align: center; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.form .btn { margin-top: 14px; }
.btn:disabled { opacity: .6; cursor: wait; }
.link { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; cursor: pointer; text-decoration: underline; text-underline-offset: 4px; }

.progress { height: 6px; background: var(--chip); border-radius: 3px; overflow: hidden; margin-top: 10px; }
.progress i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }

/* القوائم */
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.row { display: flex; gap: 16px; align-items: flex-start; justify-content: space-between; }
.row-main { min-width: 0; }
.meta { color: var(--ink-soft); font-size: .875rem; margin: 2px 0 0; }
.pill { flex: none; font-size: .8125rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.wait { background: var(--warn-bg); color: var(--warn); }

/* لوحة المدير */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; margin: 8px 0 20px; }
.stat { background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; padding: 14px 16px; display: grid; }
.stat b { font: 700 1.75rem/1.2 var(--f-ui); font-variant-numeric: tabular-nums; }
.stat span { color: var(--ink-soft); font-size: .875rem; }
.table-wrap { overflow-x: auto; background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; }
.table { width: 100%; border-collapse: collapse; min-width: 760px; }
.table th, .table td { text-align: start; padding: 12px 14px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.table th { font-size: .8125rem; color: var(--ink-soft); font-weight: 600; background: var(--paper); }
.table tr:last-child td { border-bottom: 0; }
.sub { display: block; color: var(--ink-soft); font-size: .8125rem; }
.sub.note { color: var(--warn); }
.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.pager { display: flex; gap: 16px; justify-content: center; margin-top: 16px; color: var(--ink-soft); }

@media (max-width: 520px) {
  .cols { grid-template-columns: 1fr; }
  .row { flex-direction: column; }
}

/* ===== المرحلة ٣: صفحة الكتاب، الهيكل، الصفحات، البنود، الدعم ===== */
.crumbs { color: var(--ink-soft); font-size: .875rem; margin: 0 0 6px; }
.crumbs a { text-decoration: none; }
.block { display: grid; gap: 10px; margin: 0 0 28px; }
.card.block { margin-bottom: 24px; }
.block > .head, .block .head { margin-bottom: 0; }
.msg { padding: 10px 14px; border-radius: 6px; margin: 0 0 16px; font-size: .9375rem; }
.msg.warn { background: var(--warn-bg); color: var(--warn); }
.msg.bad { background: var(--bad-bg); color: var(--bad); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.actions { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; margin-top: 6px; }
.sec { margin: 28px 0 10px; }
.plain { margin: 0; padding-inline-start: 1.2em; }
.form input[type=number] { width: 100%; font: 400 1rem/1.5 var(--f-ui); color: var(--ink); background: var(--paper); border: 1px solid var(--rule); border-radius: 6px; padding: 9px 12px; }

.support { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; justify-content: space-between; margin-top: 18px; padding: 14px 16px; border: 1px dashed var(--rule); border-radius: 8px; background: var(--sheet); }
.support p { margin: 0; color: var(--ink-soft); }
.btn.wa { background: var(--ok); border-color: var(--ok); color: var(--sheet); }

.outline { display: grid; gap: 8px; }
.unit { background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; }
.unit summary { cursor: pointer; padding: 11px 14px; display: flex; flex-wrap: wrap; gap: 2px 12px; align-items: baseline; justify-content: space-between; font-weight: 600; }
.unit summary span { color: var(--ink-soft); font-weight: 400; font-size: .8125rem; white-space: nowrap; }
.lns { list-style: none; margin: 0; padding: 0; }
.ln { display: grid; grid-template-columns: minmax(0, 1fr) auto 2.4rem; gap: 10px; align-items: baseline; padding: 9px 14px; border-top: 1px solid var(--rule); color: var(--ink); text-decoration: none; font-size: .9375rem; }
.ln:hover, .ln.on { background: var(--chip); }
.ln.on { font-weight: 600; }
.pp { color: var(--ink-soft); font-size: .8125rem; white-space: nowrap; font-variant-numeric: tabular-nums; }
.ct { justify-self: end; min-width: 2rem; text-align: center; font-size: .8125rem; border-radius: 4px; padding: 0 6px; font-variant-numeric: tabular-nums; }
.ct.has { background: var(--ok-bg); color: var(--ok); font-weight: 600; }

.strip { display: flex; flex-wrap: wrap; gap: 5px; max-height: 220px; overflow: auto; padding: 2px; }
.pg { min-width: 40px; padding: 4px 5px 2px; display: grid; justify-items: center; border: 1px solid var(--rule); border-radius: 4px; color: var(--ink-soft); text-decoration: none; font-size: .8125rem; line-height: 1.2; font-variant-numeric: tabular-nums; }
.pg small { font-size: .6875rem; min-height: 1em; }
.pg.pending { border-style: dashed; }
.pg.done { background: var(--chip); border-color: var(--chip); color: var(--ink); }
.pg.done.none { background: transparent; border-color: var(--rule); color: var(--ink-soft); }
.pg.failed { background: var(--bad-bg); border-color: var(--bad-bg); color: var(--bad); }

.objectives { padding: 14px 18px; }
.objectives ol { margin: 6px 0 0; padding-inline-start: 1.4em; color: var(--ink-soft); }
.qs { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.q { display: grid; gap: 8px; padding: 16px 18px; }
.q-meta { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; font-size: .8125rem; color: var(--ink-soft); }
.tag { background: var(--chip); color: var(--ink); padding: 2px 9px; border-radius: 4px; font-weight: 500; }
.tag.line { background: transparent; border: 1px solid currentColor; color: var(--ink-soft); }
.tag.acc { color: var(--accent); }
.tag.warn { color: var(--warn); }
.pgref { margin-inline-start: auto; text-decoration: none; }
.q-text { margin: 0; font-size: 1.0625rem; line-height: 1.9; white-space: pre-wrap; overflow-wrap: anywhere; }
.opts { margin: 0; padding-inline-start: 1.6em; line-height: 1.9; }
.ans { margin: 0; overflow-wrap: anywhere; }
.ans b { color: var(--ok); font-size: .8125rem; margin-inline-end: 6px; }
.ans i { font-style: normal; font-size: .8125rem; color: var(--ink-soft); margin-inline-start: 8px; }
.ans i.warn { color: var(--warn); }

/* ===== تحديث: طلب المعلم بدون ملف، المكتبة، الاستيراد ===== */
.notice { margin-bottom: 20px; display: grid; gap: 6px; border-color: var(--ok); }
.notice .support { margin-top: 4px; }
.support.done { border-style: solid; border-color: var(--ok-bg); background: var(--ok-bg); }
.support.done p { color: var(--ok); }
.btn.sm { padding: 6px 12px; font-size: .8125rem; }
details.card > summary { cursor: pointer; }
details.card[open] > summary { margin-bottom: 8px; }

/* ===== زر البدء من جديد ===== */
.danger-zone { border-color: var(--bad-bg); }
.btn.danger { background: var(--bad); border-color: var(--bad); color: var(--sheet); }

/* ===== المرحلة ٤: النشر للمعلم ومراجعة البنود ===== */
.teachers { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.teachers .row { align-items: center; }
.row-side { flex: none; display: grid; gap: 8px; justify-items: end; }
.guide { margin: -6px 0 18px; }
.subject { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 20px; align-items: start; }
.subject .side { position: sticky; top: 12px; max-height: calc(100vh - 24px); overflow: auto; }
.subject .main { margin: 0; }
.ln.two { grid-template-columns: minmax(0, 1fr) auto; }
.ln.top { border-top: 0; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.filters select, .filters input[type=text] { width: auto; flex: 1 1 140px; padding: 6px 10px; font-size: .9375rem; }
.sm-link { font-size: .875rem; }
.bulk { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; justify-content: space-between; padding: 10px 14px; border: 1px dashed var(--rule); border-radius: 8px; }
.q.approved { border-inline-start: 4px solid var(--ok); }
.tag.ok { background: var(--ok-bg); color: var(--ok); }
.q-actions { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; padding-top: 10px; border-top: 1px solid var(--rule); }
.link.bad { color: var(--bad); }
:target { scroll-margin-top: 16px; }
@media (max-width: 820px) {
  .subject { grid-template-columns: 1fr; }
  .subject .side { position: static; max-height: none; }
}