/* منصة المعلّم الذكي — هوية "كراسة المدرس": ورق، حبر بترولي، تظليل هايلايتر، قلم تصحيح أحمر */
:root {
  --paper: #F6F5F0;
  --card: #FFFFFF;
  --ink: #1E3B4D;
  --ink-soft: #5A6B76;
  --primary: #14616E;
  --primary-dark: #0E4A54;
  --highlight: #F5C84C;
  --red-pen: #B8433A;
  --green-ok: #2E7D5B;
  --line: #DDD9CC;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(30, 59, 77, .07);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'IBM Plex Sans Arabic', 'Segoe UI', Tahoma, sans-serif;
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  font-size: 15px;
}
h1, h2, h3, .brand { font-family: 'Alexandria', 'IBM Plex Sans Arabic', sans-serif; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea {
  font-family: inherit; font-size: 15px; width: 100%;
  padding: 10px 12px; border: 1.5px solid var(--line); border-radius: 8px;
  background: #fff; color: var(--ink); transition: border-color .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }
label { display: block; font-size: 13px; color: var(--ink-soft); margin: 12px 0 5px; font-weight: 600; }

/* ====== أزرار ====== */
.btn {
  display: inline-flex; align-items: center; gap: 6px; justify-content: center;
  padding: 10px 18px; border: none; border-radius: 8px; font-weight: 700; font-size: 14px;
  background: var(--primary); color: #fff; transition: background .15s, transform .1s;
}
.btn:hover { background: var(--primary-dark); }
.btn:active { transform: scale(.98); }
.btn.ghost { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn.ghost:hover { background: rgba(20, 97, 110, .08); }
.btn.danger { background: transparent; color: var(--red-pen); border: 1.5px solid transparent; padding: 6px 10px; }
.btn.danger:hover { border-color: var(--red-pen); background: rgba(184, 67, 58, .06); }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn:disabled { opacity: .55; cursor: wait; }

/* ====== شاشة الدخول ====== */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.auth-card {
  width: 100%; max-width: 420px; background: var(--card); border-radius: 16px;
  box-shadow: var(--shadow); padding: 36px 32px; border-top: 5px solid var(--primary);
}
.auth-card .brand { font-size: 26px; font-weight: 800; text-align: center; }
.auth-card .brand span { color: var(--primary); }
.auth-sub { text-align: center; color: var(--ink-soft); font-size: 13px; margin: 6px 0 10px; }
.auth-switch { text-align: center; margin-top: 18px; font-size: 13px; color: var(--ink-soft); }
.auth-switch a { color: var(--primary); font-weight: 700; cursor: pointer; }

/* ====== الهيكل الرئيسي ====== */
.app { display: none; min-height: 100vh; }
.app.on { display: grid; grid-template-columns: 240px 1fr; }
/* القائمة الجانبية: ثلاث طبقات — عنوان ثابت، قائمة تمرّر، ذيل مثبّت.
   قبل كده كانت العناصر بتفيض خارج خلفية القائمة نفسها لأن `height:100vh`
   بلا `overflow`، فالمدرّس بتسع وعشرين ميزة كان بيشوف آخر الأزرار سايبة
   على أرضية الصفحة والذيل تايه تحتها. */
.sidebar {
  background: var(--card); border-left: 1px solid var(--line);
  padding: 20px 10px 0; display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; min-height: 0;
}
.nav-scroll {
  flex: 1 1 auto; min-height: 0; overflow-y: auto; overscroll-behavior: contain;
  padding: 0 4px 8px; margin: 0 -4px;
  scrollbar-width: thin; scrollbar-color: var(--line) transparent;
}
.nav-scroll::-webkit-scrollbar { width: 6px; }
.nav-scroll::-webkit-scrollbar-thumb { background: var(--line); border-radius: 99px; }
.nav-scroll::-webkit-scrollbar-track { background: transparent; }

.nav-group { display: flex; flex-direction: column; gap: 2px; }
.nav-group + .nav-group { margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--line); }
/* عنوان المجموعة يظهر من `data-label`، فلو اتخفت كل أزرارها اتخفت معاها */
.nav-group[data-label]::before {
  content: attr(data-label);
  font-size: 11px; font-weight: 700; letter-spacing: .3px;
  color: var(--ink-soft); opacity: .65; padding: 0 12px 4px;
}
.nav-group.all-hidden { display: none; }
.sidebar .brand { font-size: 20px; font-weight: 800; padding: 0 10px 18px; }
.sidebar .brand span { color: var(--primary); }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 11px 12px;
  border-radius: 8px; color: var(--ink-soft); font-weight: 600; font-size: 14px;
  background: none; border: none; text-align: right; position: relative; width: 100%;
}
.nav-item:hover { color: var(--ink); background: rgba(30, 59, 77, .04); }
/* توقيع التصميم: التبويب النشط بضربة هايلايتر مائلة */
.nav-item.active { color: var(--ink); }
.nav-item.active::before {
  content: ""; position: absolute; inset: 4px 6px; z-index: 0;
  background: var(--highlight); opacity: .5; border-radius: 6px; transform: rotate(-.7deg) skewX(-4deg);
}
.nav-item > * { position: relative; z-index: 1; }
.sidebar .foot {
  flex: 0 0 auto; margin: 0 -10px; padding: 10px 14px;
  border-top: 1px solid var(--line); background: var(--card);
  font-size: 12px; color: var(--ink-soft);
}
.foot-row { display: flex; align-items: center; gap: 8px; }
.foot-who { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.foot-who > b { color: var(--ink); font-size: 13px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.foot-who > span { font-size: 11.5px; }
.foot-who b { color: var(--ink); }
.foot-out {
  flex: 0 0 auto; background: none; border: 1px solid var(--line); border-radius: 8px;
  padding: 6px 11px; color: var(--red-pen); font-weight: 700; font-size: 12px; cursor: pointer;
}
.foot-out:hover { background: rgba(193, 61, 51, .07); border-color: var(--red-pen); }

.main { padding: 28px 32px; max-width: 1150px; width: 100%; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head h1 { font-size: 24px; font-weight: 800; }
.page-head .sub { color: var(--ink-soft); font-size: 13px; margin-top: 4px; }

/* ====== بطاقات الإحصائيات — الأرقام على سطر كراسة مزدوج ====== */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 26px; }
.stat {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px 18px 14px; border: 1px solid var(--line);
}
.stat .num {
  font-family: 'Alexandria', sans-serif; font-size: 30px; font-weight: 800;
  display: inline-block; padding: 0 4px 6px;
  border-bottom: 2.5px solid var(--ink);
  box-shadow: 0 4px 0 -2.5px var(--ink-soft); /* السطر التاني للكراسة */
}
.stat .num.red { color: var(--red-pen); border-color: var(--red-pen); }
.stat .num.green { color: var(--green-ok); border-color: var(--green-ok); }
.stat .lbl { margin-top: 12px; color: var(--ink-soft); font-size: 13px; font-weight: 600; }

/* ====== جداول ====== */
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); overflow: hidden; }
.card .card-head { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.card .card-head h2 { font-size: 16px; }
table { width: 100%; border-collapse: collapse; }
th { text-align: right; font-size: 12.5px; color: var(--ink-soft); padding: 12px 20px; border-bottom: 1px solid var(--line); background: #FBFAF6; }
td { padding: 12px 20px; border-bottom: 1px solid #EEEBE0; font-size: 14px; vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #FCFBF7; }
.empty { padding: 40px 20px; text-align: center; color: var(--ink-soft); font-size: 14px; }

.chip { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.chip.green { background: rgba(46, 125, 91, .12); color: var(--green-ok); }
.chip.red { background: rgba(184, 67, 58, .1); color: var(--red-pen); }
.chip.gray { background: rgba(90, 107, 118, .1); color: var(--ink-soft); }

.wa-link { color: var(--green-ok); font-weight: 700; text-decoration: none; font-size: 13px; }
.wa-link:hover { text-decoration: underline; }

/* ====== أدوات الذكاء ====== */
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.tool-card {
  background: var(--card); border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 20px 18px; text-align: right; transition: border-color .15s, transform .12s;
  font-size: 15px; font-weight: 700; color: var(--ink); display: flex; flex-direction: column; gap: 8px;
}
.tool-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.tool-card .icon { font-size: 26px; }
.tool-card.active { border-color: var(--primary); background: rgba(20, 97, 110, .04); }
.tool-form { margin-top: 20px; }
.ai-result {
  margin-top: 20px; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.ai-result .res-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px; border-bottom: 1px solid var(--line); font-size: 12.5px; color: var(--ink-soft); flex-wrap: wrap; gap: 8px; }
.ai-result pre {
  white-space: pre-wrap; font-family: inherit; padding: 20px 22px; line-height: 1.9; font-size: 14.5px;
}
.cost-tag { background: var(--highlight); color: var(--ink); padding: 2px 10px; border-radius: 20px; font-weight: 700; }

/* ====== حضور ====== */
.att-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; border-bottom: 1px solid #EEEBE0; }
.att-toggle { display: flex; gap: 8px; }
.att-btn { padding: 6px 16px; border-radius: 20px; border: 1.5px solid var(--line); background: #fff; font-weight: 700; font-size: 13px; color: var(--ink-soft); }
.att-btn.present.on { background: rgba(46, 125, 91, .12); border-color: var(--green-ok); color: var(--green-ok); }
.att-btn.absent.on { background: rgba(184, 67, 58, .1); border-color: var(--red-pen); color: var(--red-pen); }

/* ====== مودال ====== */
.modal-back { position: fixed; inset: 0; background: rgba(30, 59, 77, .45); display: none; place-items: center; z-index: 50; padding: 18px; }
.modal-back.on { display: grid; }
.modal { background: var(--card); border-radius: 16px; width: 100%; max-width: 460px; padding: 26px; max-height: 92vh; overflow: auto; }
.modal h3 { margin-bottom: 4px; }
.modal .actions { display: flex; gap: 10px; margin-top: 22px; justify-content: flex-start; }

/* ====== توست ====== */
#toast {
  position: fixed; bottom: 24px; right: 50%; transform: translateX(50%) translateY(80px);
  background: var(--ink); color: #fff; padding: 12px 22px; border-radius: 30px;
  font-size: 14px; font-weight: 600; opacity: 0; transition: all .25s; z-index: 99; max-width: 90vw;
}
#toast.on { opacity: 1; transform: translateX(50%) translateY(0); }
#toast.err { background: var(--red-pen); }

.filters { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; margin-bottom: 16px; }
.filters > div { min-width: 160px; }
.filters label { margin-top: 0; }

.loading { display: inline-block; width: 16px; height: 16px; border: 2.5px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ====== موبايل ====== */
@media (max-width: 820px) {
  .app.on { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; overflow-x: auto; padding: 12px; gap: 2px; align-items: center; }
  .sidebar .brand { padding: 0 8px; font-size: 15px; white-space: nowrap; }
  .nav-item { white-space: nowrap; padding: 9px 10px; font-size: 13px; }
  .sidebar .foot { display: none; }
  .nav-scroll { display: flex; overflow-x: auto; overflow-y: hidden; padding: 0; margin: 0; }
  .nav-group { flex-direction: row; gap: 2px; }
  .nav-group + .nav-group { margin: 0 0 0 4px; padding: 0 0 0 4px;
    border-top: 0; border-left: 1px dashed var(--line); }
  .nav-group[data-label]::before { display: none; }
  .main { padding: 18px 14px; }
  th, td { padding: 10px 12px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ===== مكتبتي + مؤشّر الحفظ (تطوير أدوات الذكاء) ===== */
.saved-note{background:#e7f7ef;border:1px solid #b6e6cd;color:#0d6b45;padding:8px 12px;border-radius:10px;font-size:13px;margin:10px 0}
.saved-note a{color:#0d6b45}
.lib-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.lib-toolbar input{flex:1;min-width:220px}
.lib-toolbar select{min-width:170px}
.lib-toolbar .btn.active{background:#fff5d6;border-color:#f0cf6b}
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.lib-card{background:var(--card,#fff);border:1px solid var(--line,#e6e9ef);border-radius:14px;padding:16px;cursor:pointer;transition:.15s;display:flex;flex-direction:column;gap:8px}
.lib-card:hover{box-shadow:0 6px 20px rgba(15,94,99,.12);transform:translateY(-2px);border-color:#bfe3e0}
.lib-card-top{display:flex;justify-content:space-between;align-items:center}
.lib-ic{font-size:26px}
.lib-card h3{font-size:15px;margin:0;line-height:1.5;color:var(--ink,#16324a)}
.lib-prev{font-size:12.5px;color:var(--ink-soft,#6b7a8d);margin:0;max-height:54px;overflow:hidden;line-height:1.6}
.lib-meta{display:flex;justify-content:space-between;font-size:11.5px;color:var(--ink-soft,#8493a5);margin-top:auto;padding-top:6px;border-top:1px dashed #eef1f5}
.star{background:none;border:none;font-size:18px;cursor:pointer;line-height:1}
.star.on{filter:drop-shadow(0 0 2px #f2c400)}
.doc-title{font-size:20px;font-weight:800;border:1px solid transparent;background:transparent;color:var(--ink,#16324a);width:100%;padding:4px 6px;border-radius:8px}
.doc-title:hover,.doc-title:focus{border-color:var(--line,#e6e9ef);background:#fff}
.doc-view{padding:16px}
.doc-content{width:100%;min-height:60vh;border:1px solid var(--line,#e6e9ef);border-radius:10px;padding:16px;font-family:inherit;font-size:15px;line-height:1.9;white-space:pre-wrap;resize:vertical}

/* ===== شريط التعديل بالذكاء ===== */
.refine-bar{display:flex;flex-wrap:wrap;gap:7px;align-items:center;margin-top:12px;padding-top:14px;border-top:1px dashed var(--line,#e6e9ef);transition:opacity .2s}
.refine-lbl{font-size:12.5px;font-weight:800;color:var(--teal-deep,#0f5e63)}
.refine-bar input{flex:1;min-width:200px;font-size:13px;padding:7px 10px}

/* ===== تثبيت الأدوات المفضّلة ===== */
.tool-card{position:relative}
.tstar{position:absolute;top:6px;inset-inline-start:6px;background:none;border:none;font-size:16px;cursor:pointer;line-height:1;opacity:.6;padding:2px}
.tstar:hover{opacity:1;transform:scale(1.15)}
.tool-card.fav{border-color:#f0cf6b;box-shadow:0 0 0 1px #f0cf6b inset}
.tool-card.fav .tstar{opacity:1}

/* ===== توليد من مصدر ===== */
.src-tabs{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.src-tab{background:var(--paper,#f6f3ec);border:1px solid var(--line,#e6e9ef);border-radius:10px;padding:8px 16px;cursor:pointer;font-weight:700;font-size:13.5px;color:var(--ink-soft)}
.src-tab.active{background:var(--teal-deep,#0f5e63);color:#fff;border-color:var(--teal-deep,#0f5e63)}
.src-opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:14px}

/* ===== المنهج ===== */
.curr-note{background:#eaf4f4;border:1px solid #bfe0e0;color:#0c5459;padding:10px 14px;border-radius:10px;font-size:13px;margin-bottom:16px}
.curr-unit{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:10px 4px;border-top:1px solid var(--hair,#eef1f5)}
.curr-unit:first-child{border-top:0}
.curr-actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.gen-sel{font-size:12.5px;padding:5px 8px;border-radius:8px;border:1px solid var(--line,#ddd);background:var(--card,#fff);cursor:pointer;font-family:inherit}

/* ===== المساعد الصوتي ===== */
.mic-btn{width:96px;height:96px;border-radius:50%;border:none;background:var(--teal-deep,#0f5e63);color:#fff;font-size:40px;cursor:pointer;box-shadow:0 6px 20px rgba(15,94,99,.3);transition:transform .2s}
.mic-btn:hover{transform:scale(1.05)}
.mic-btn.rec{background:#e0392b;animation:micpulse 1.2s infinite}
@keyframes micpulse{0%{box-shadow:0 0 0 0 rgba(224,57,43,.5)}70%{box-shadow:0 0 0 20px rgba(224,57,43,0)}100%{box-shadow:0 0 0 0 rgba(224,57,43,0)}}

/* ═══════════════ لوحة التحكم — بطاقات ورسوم ═══════════════ */
.chip.amber { background: rgba(245, 200, 76, .22); color: #8a6a12; }

/* تنبيهات تحتاج تصرّفاً — كل واحد زرّ يودّي للصفحة المعنيّة */
.alert-row { display: grid; gap: 10px; margin-bottom: 20px; }
.alert {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: start;
  padding: 12px 14px; border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--card); font: inherit; font-size: 13.5px; color: var(--ink);
  box-shadow: var(--shadow); transition: transform .12s ease, box-shadow .12s ease;
}
.alert:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(30, 59, 77, .12); }
.alert-icon { font-size: 18px; line-height: 1; }
.alert-go { margin-inline-start: auto; color: var(--ink-soft); font-weight: 700; }
.alert-danger { border-inline-start: 4px solid var(--red-pen); }
.alert-warn { border-inline-start: 4px solid var(--highlight); }
.alert-info { border-inline-start: 4px solid var(--primary); }

/* بطاقات المؤشّرات */
.kpi-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px; margin-bottom: 20px;
}
.kpi {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow); position: relative; overflow: hidden;
  transition: transform .14s ease, box-shadow .14s ease;
}
.kpi[onclick] { cursor: pointer; }
.kpi:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(30, 59, 77, .12); }
.kpi::after {
  content: ""; position: absolute; inset-block-start: 0; inset-inline-start: 0;
  width: 4px; height: 100%; background: var(--primary);
}
.kpi.green::after { background: var(--green-ok); }
.kpi.red::after { background: var(--red-pen); }
.kpi-top { display: flex; align-items: baseline; gap: 8px; }
.kpi-icon { font-size: 17px; }
.kpi-value {
  font-family: 'Alexandria', 'IBM Plex Sans Arabic', sans-serif;
  font-size: 27px; font-weight: 700; line-height: 1.15; letter-spacing: -.5px;
}
.kpi.green .kpi-value { color: var(--green-ok); }
.kpi.red .kpi-value { color: var(--red-pen); }
.kpi-label { margin-top: 4px; font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.kpi-sub { margin-top: 8px; font-size: 11.5px; color: var(--ink-soft); }
.kpi-bar { margin-top: 10px; height: 6px; border-radius: 4px; background: rgba(90, 107, 118, .12); overflow: hidden; }
.kpi-bar > div { height: 100%; border-radius: 4px; background: var(--green-ok); transition: width .5s ease; }

/* شبكة الرسوم — بطاقة عريضة تأخذ عمودين */
.dash-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px; margin-bottom: 16px;
}
.dash-grid > .wide { grid-column: span 2; }
.chart-card .chart-box { padding: 16px 18px 20px; height: 280px; position: relative; }
.chart-card .chart-box.small { height: 240px; }
.chart-card canvas { max-width: 100%; }

/* خط زمني للنشاط */
.act-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px; }
.act-row:last-child { border-bottom: 0; }
.act-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); flex: none; }

@media (max-width: 820px) {
  .dash-grid { grid-template-columns: 1fr; }
  .dash-grid > .wide { grid-column: span 1; }
  .chart-card .chart-box { height: 240px; padding: 12px 10px 16px; }
  .chart-card .chart-box.small { height: 220px; }
  .kpi-value { font-size: 23px; }
}

/* ═══════════════ طبقة الذكاء — قوالب وتقدير تكلفة ═══════════════ */
.preset-bar { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 12px; }
.preset-chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px;
  border-radius: 20px; border: 1.5px solid var(--line); background: var(--paper);
  font: inherit; font-size: 12.5px; font-weight: 600; color: var(--ink); cursor: pointer;
}
.preset-chip:hover { border-color: var(--primary); color: var(--primary); }
.preset-x { color: var(--ink-soft); font-size: 11px; padding: 0 2px; }
.preset-x:hover { color: var(--red-pen); }

.est-line { margin-top: 12px; font-size: 12.5px; color: var(--ink-soft); min-height: 18px; }
.est-warn { color: var(--red-pen); font-weight: 700; }

.trunc-note {
  background: rgba(245, 200, 76, .18); border: 1px solid rgba(245, 200, 76, .5);
  color: #8a6a12; padding: 8px 12px; border-radius: 10px; font-size: 13px; margin: 10px 0;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}

/* أزرار الذكاء في سياق الصفحات الأخرى */
.ai-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.ai-btn {
  display: inline-flex; align-items: center; gap: 5px; padding: 5px 10px; border-radius: 8px;
  border: 1.5px solid var(--line); background: var(--card); font: inherit; font-size: 12.5px;
  font-weight: 600; color: var(--primary); cursor: pointer;
}
.ai-btn:hover { background: var(--paper); border-color: var(--primary); }

/* نسخ المستند */
.ver-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 13px; }
.ver-row:last-child { border-bottom: 0; }
.ver-no { background: var(--paper); border-radius: 6px; padding: 2px 8px; font-weight: 700; font-size: 12px; }

/* ═══════════════ السلاسل ═══════════════ */
.chain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.chain-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow); cursor: pointer;
  transition: transform .14s ease, box-shadow .14s ease;
}
.chain-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(30, 59, 77, .12); }
.chain-head { display: flex; align-items: center; gap: 8px; font-size: 16px; }
.chain-icon { font-size: 22px; }
.chain-desc { margin: 8px 0 10px; font-size: 12.5px; color: var(--ink-soft); line-height: 1.7; }
.chain-steps { margin: 0 18px 14px; font-size: 13px; color: var(--ink); line-height: 2; }
.chain-progress { height: 8px; border-radius: 5px; background: rgba(90, 107, 118, .12); overflow: hidden; }
.chain-progress > div { height: 100%; background: var(--green-ok); border-radius: 5px; transition: width .4s ease; }
.chain-step {
  display: flex; align-items: center; gap: 10px; padding: 10px 0;
  border-bottom: 1px dashed var(--line); font-size: 13.5px; opacity: .55;
}
.chain-step:last-child { border-bottom: 0; }
.chain-step.done, .chain-step.active { opacity: 1; }
.chain-dot {
  width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center;
  background: var(--paper); border: 1.5px solid var(--line); font-size: 12px; font-weight: 700; flex: none;
}
.chain-step.done .chain-dot { background: var(--green-ok); border-color: var(--green-ok); color: #fff; }
.chain-step.active .chain-dot { border-color: var(--primary); color: var(--primary); }

/* ═══════════════ شريط الأوامر ⌘K ═══════════════ */
.pal-back {
  position: fixed; inset: 0; background: rgba(30, 59, 77, .35); z-index: 200;
  display: flex; align-items: flex-start; justify-content: center; padding-top: 12vh;
  backdrop-filter: blur(2px);
}
.pal-box {
  width: min(560px, 92vw); background: var(--card); border-radius: 14px;
  box-shadow: 0 18px 50px rgba(30, 59, 77, .28); overflow: hidden;
}
.pal-box input {
  width: 100%; border: 0; border-bottom: 1px solid var(--line); padding: 16px 18px;
  font: inherit; font-size: 15px; outline: none; background: transparent; border-radius: 0;
}
.pal-list { max-height: 320px; overflow: auto; }
.pal-item {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 11px 16px;
  border: 0; background: transparent; font: inherit; font-size: 13.5px; cursor: pointer; color: var(--ink);
}
.pal-item:hover, .pal-item.sel { background: var(--paper); }
.pal-item.sel { box-shadow: inset 3px 0 0 var(--primary); }
.pal-icon { font-size: 16px; }
.pal-hint { font-size: 11.5px; color: var(--ink-soft); }
.pal-empty { padding: 26px; text-align: center; color: var(--ink-soft); font-size: 13.5px; }
.pal-foot { padding: 9px 16px; border-top: 1px solid var(--line); font-size: 11.5px; color: var(--ink-soft); }

/* ═══════════════ تبويبات التقارير ═══════════════ */
.rep-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.rep-tab {
  padding: 8px 14px; border-radius: 20px; border: 1.5px solid var(--line);
  background: var(--card); font: inherit; font-size: 13.5px; font-weight: 600;
  color: var(--ink-soft); cursor: pointer;
}
.rep-tab:hover { border-color: var(--primary); color: var(--primary); }
.rep-tab.on { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ═══════════════ مفاتيح المزايا ═══════════════ */
.feat-row {
  display: flex; align-items: flex-start; gap: 12px; padding: 12px 16px;
  border-bottom: 1px dashed var(--line); cursor: pointer;
}
.feat-row:last-child { border-bottom: 0; }
.feat-row:hover { background: var(--paper); }
.feat-row input { width: auto; margin-top: 3px; accent-color: var(--primary); }
.feat-hint { font-size: 12px; color: var(--ink-soft); margin-top: 2px; line-height: 1.7; }

/* ═══════════════ الإنفوجرافيك ═══════════════ */
.ig-card {
  background: #fff; border-radius: 16px; overflow: hidden; max-width: 640px; margin: 0 auto;
  box-shadow: 0 4px 18px rgba(30, 59, 77, .12); font-size: 14px; line-height: 1.9;
}
.ig-head { background: var(--ig-main); color: #fff; padding: 22px 24px; }
.ig-title { font-family: 'Alexandria', 'IBM Plex Sans Arabic', sans-serif; font-size: 24px; font-weight: 700; line-height: 1.35; }
.ig-sub { margin-top: 6px; font-size: 13.5px; opacity: .92; }
.ig-body { padding: 18px 22px; display: grid; gap: 16px; }
.ig-h { font-weight: 700; color: var(--ig-ink); font-size: 15.5px; margin-bottom: 8px; }

.ig-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: 10px; }
.ig-stat { background: var(--ig-soft); border-radius: 12px; padding: 14px 8px; text-align: center; }
.ig-stat-v { display: block; font-family: 'Alexandria', sans-serif; font-size: 27px; font-weight: 700; color: var(--ig-main); line-height: 1.2; }
.ig-stat-l { display: block; font-size: 12px; color: var(--ink-soft); margin-top: 3px; }

.ig-steps { display: grid; gap: 8px; }
.ig-step { display: flex; align-items: flex-start; gap: 10px; background: var(--ig-soft); border-radius: 10px; padding: 10px 12px; }
.ig-num { background: var(--ig-main); color: #fff; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: 12.5px; flex: none; }

.ig-points { margin: 0; padding-inline-start: 4px; list-style: none; display: grid; gap: 7px; }
.ig-points li { position: relative; padding-inline-start: 20px; }
.ig-points li::before { content: "◆"; position: absolute; inset-inline-start: 0; color: var(--ig-main); font-size: 10px; top: 5px; }

.ig-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ig-side { border-radius: 12px; padding: 12px 14px; }
.ig-side.ok { background: rgba(46, 125, 91, .1); border: 1px solid rgba(46, 125, 91, .3); }
.ig-side.no { background: rgba(184, 67, 58, .08); border: 1px solid rgba(184, 67, 58, .28); }
.ig-side-t { font-weight: 700; margin-bottom: 6px; font-size: 13.5px; }
.ig-side ul { margin: 0; padding-inline-start: 18px; font-size: 13px; }
.ig-side li { margin: 3px 0; }

.ig-formula { text-align: center; }
.ig-f {
  background: var(--ig-soft); border: 2px dashed var(--ig-main); border-radius: 12px;
  padding: 16px; font-size: 21px; font-weight: 700; color: var(--ig-ink); direction: ltr;
}
.ig-tip { background: rgba(245, 200, 76, .2); border-inline-start: 4px solid var(--highlight); border-radius: 10px; padding: 11px 14px; font-size: 13.5px; }

.ig-foot { background: var(--ig-soft); padding: 12px 22px; display: flex; justify-content: space-between; font-size: 12px; color: var(--ig-ink); font-weight: 600; }
.ig-export { box-shadow: none; }

@media (max-width: 560px) { .ig-compare { grid-template-columns: 1fr; } .ig-title { font-size: 20px; } }

/* ═══════════════ عرض مخرجات الذكاء بتنسيق ═══════════════ */
.res-actions { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px 0 4px; }
.md-body { line-height: 2; font-size: 14.5px; }
.md-body h1, .md-body h2 { color: var(--primary); margin: 18px 0 8px; font-size: 18px; }
.md-body h3, .md-body h4 { color: var(--primary-dark); margin: 14px 0 6px; font-size: 15.5px; }
.md-body p { margin: 8px 0; }
.md-body ul, .md-body ol { margin: 8px 0; padding-inline-start: 24px; }
.md-body li { margin: 4px 0; }
.md-body table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 13.5px; }
.md-body th, .md-body td { border: 1px solid var(--line); padding: 8px 10px; text-align: right; vertical-align: top; }
.md-body th { background: var(--paper); font-weight: 700; }
.md-body hr { border: 0; border-top: 1px solid var(--line); margin: 16px 0; }
.md-body code { background: var(--paper); padding: 1px 6px; border-radius: 4px; font-family: Consolas, monospace; font-size: 13px; }
.md-body b { color: var(--ink); }

/* ═══════════════ الحصص والحضور بالباركود ═══════════════ */
.sess-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.sess-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow); border-inline-start: 4px solid var(--line);
}
.sess-card.open { border-inline-start-color: var(--green-ok); }
.sess-card.closed { border-inline-start-color: var(--ink-soft); opacity: .75; }
.sess-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 10px; }
.sess-bar { height: 8px; border-radius: 5px; background: rgba(90, 107, 118, .12); overflow: hidden; }
.sess-bar > div { height: 100%; background: var(--green-ok); border-radius: 5px; transition: width .4s ease; }

/* ═══════════ منتقي السياق (ولّد من منهجي) ═══════════ */
.ctx-picker { background: var(--paper); border: 1px solid var(--line);
  border-radius: 12px; padding: 12px 14px; margin-bottom: 14px; }
.ctx-head { font-size: 13.5px; font-weight: 700; margin-bottom: 8px; }
.ctx-head span { font-weight: 400; color: var(--ink-soft); font-size: 12px; margin-inline-start: 6px; }
.ctx-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.ctx-row label { font-size: 12.5px; margin-bottom: 4px; display: block; }
.ctx-row select { width: 100%; }
.ctx-note { font-size: 12.5px; color: var(--ink-soft); margin-top: 8px; }

/* ═══════════ بطاقات الخيارات (ملخّص / كامل) ═══════════ */
.opt-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 6px 0 12px; }
.opt-card { border: 2px solid var(--line); border-radius: 12px; padding: 12px;
  cursor: pointer; display: block; transition: border-color .15s, background .15s; }
.opt-card:hover { border-color: var(--brand); }
.opt-card input { margin-inline-end: 6px; width: auto; }
.opt-card b { font-size: 13.5px; }
.opt-card span { display: block; font-size: 11.5px; color: var(--ink-soft); margin-top: 3px; }
.opt-card:has(input:checked) { border-color: var(--brand); background: var(--paper); }

/* ═══════════ صفحات الإنفوجرافيك ═══════════ */
.ig-pager { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.ig-page-btn { width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; cursor: pointer; font: inherit; font-size: 13px; }
.ig-page-btn.on { background: var(--brand); color: #fff; border-color: var(--brand); }
.ig-page-title { font-size: 13px; color: var(--ink-soft); margin-inline-start: 6px; }
.ig-shots { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px; margin-top: 12px; }
.ig-shots figure { margin: 0; }
.ig-shots img { width: 100%; border-radius: 10px; border: 1px solid var(--line); display: block; }
.ig-shots figcaption { font-size: 12px; color: var(--ink-soft); margin-top: 5px;
  display: flex; align-items: center; justify-content: space-between; gap: 6px; }

/* ═══════════ اختيار النماذج في الإعدادات ═══════════ */
.model-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--line); }
.model-row:last-child { border-bottom: 0; }
.model-meta { flex: 1; min-width: 200px; }
.model-meta .sub { font-size: 12px; }
.model-pick { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.model-pick select { min-width: 240px; max-width: 360px; }

/* ═══════════ رفع تسجيل صوتي ═══════════ */
.voice-upload { margin-top: 16px; }
.upload-drop { display: block; border: 2px dashed var(--line); border-radius: 12px;
  padding: 16px; cursor: pointer; transition: border-color .15s; }
.upload-drop:hover { border-color: var(--brand); }
.upload-drop b { display: block; font-size: 14px; }
.upload-drop span { display: block; font-size: 12px; color: var(--ink-soft); margin-top: 4px; }

/* ═══════════ مؤشّر التوليد ═══════════ */
#gen-overlay { position: fixed; inset-inline: 0; top: 0; z-index: 9000;
  display: none; justify-content: center; pointer-events: none; padding: 14px; }
#gen-overlay.on { display: flex; }
.gen-card { background: var(--ink, #14303a); color: #fff; border-radius: 14px;
  padding: 12px 18px; display: flex; align-items: center; gap: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,.25); max-width: 92vw;
  animation: gen-in .18s ease-out; }
@keyframes gen-in { from { transform: translateY(-14px); opacity: 0 } to { transform: none; opacity: 1 } }
.gen-card b { font-size: 14px; }
.gen-hint { font-size: 12px; opacity: .8; margin-top: 2px; }
.gen-secs { font-variant-numeric: tabular-nums; font-size: 13px; opacity: .75;
  min-width: 42px; text-align: end; }
.gen-spin { width: 20px; height: 20px; border-radius: 50%; flex: none;
  border: 2.5px solid rgba(255,255,255,.25); border-top-color: var(--highlight, #F5C84C);
  animation: gen-spin .7s linear infinite; }
@keyframes gen-spin { to { transform: rotate(360deg) } }

/* ═══════════ مكتبة الوسائط ═══════════ */
.media-grid { display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); }
.media-card { background: #fff; border: 1px solid var(--line); border-radius: 12px;
  overflow: hidden; display: flex; flex-direction: column; }
.media-thumb { height: 170px; background: var(--paper); cursor: pointer;
  display: grid; place-items: center; overflow: hidden; }
.media-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.media-pdf { font-size: 42px; text-align: center; color: var(--ink-soft); }
.media-pdf span { display: block; font-size: 12px; margin-top: 4px; }
.media-meta { padding: 10px 12px; }
.media-meta b { display: block; font-size: 13.5px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.media-meta .sub { font-size: 11.5px; margin-top: 2px; }
.media-acts { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 8px; }
.media-acts .btn { padding: 4px 8px; font-size: 11.5px; }

/* شريط الحفظ في مكتبة الوسائط داخل النوافذ */
.save-bar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  background: var(--paper); border: 1px dashed var(--line); border-radius: 10px;
  padding: 10px 12px; margin-top: 10px; font-size: 13px; }

/* ═══════════ عارض ملء الشاشة ═══════════ */
#lightbox { position: fixed; inset: 0; z-index: 9500; display: none;
  background: rgba(12, 20, 26, .94); flex-direction: column; }
#lightbox.on { display: flex; }
.lb-bar { display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 10px 14px; color: #fff; background: rgba(0,0,0,.35); flex: none; }
.lb-title { font-size: 14px; font-weight: 600; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.lb-tools { display: flex; gap: 6px; align-items: center; flex: none; }
.lb-btn { background: rgba(255,255,255,.12); color: #fff; border: 0; border-radius: 8px;
  min-width: 38px; height: 34px; padding: 0 10px; font: inherit; font-size: 15px;
  cursor: pointer; display: grid; place-items: center; text-decoration: none; }
.lb-btn:hover { background: rgba(255,255,255,.24); }
/* `min-height:0` ضرورية: العنصر المرن الافتراضي `min-height:auto` بيسمح
   للمنصّة تتمدّد وراء الشاشة، فالصورة كانت بتتقصّ من تحت و`max-height:100%`
   ما بتلاقيش ارتفاعاً حقيقياً تتحسب عليه. */
/* `minmax(0, 1fr)` مطلوبة كمان: صفّ الشبكة الافتراضي `auto` بيكبر مع الصورة،
   فـ`max-height:100%` كانت بتتحسب على الصفّ المتمدّد لا على الشاشة. */
.lb-stage { flex: 1; min-height: 0; min-width: 0; overflow: hidden;
  display: grid; grid-template-rows: minmax(0, 1fr);
  grid-template-columns: minmax(0, 1fr); place-items: center;
  touch-action: none; }
.lb-stage img { max-width: 96%; max-height: 100%; display: block;
  transform-origin: center center; will-change: transform;
  user-select: none; -webkit-user-drag: none; }
.lb-pdf { width: 96%; height: 100%; border: 0; background: #fff; }
.lb-hint { flex: none; text-align: center; color: rgba(255,255,255,.6);
  font-size: 12px; padding: 8px 12px 12px; }
@media (max-width: 560px) { .lb-hint { font-size: 11px; } .lb-title { font-size: 12.5px; } }

/* ═══════════ بنك المحتوى (المدرّس) ═══════════ */
.content-list { display: grid; gap: 10px; }
.content-row { background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; display: flex; gap: 12px; align-items: flex-start; }
.cn-icon { font-size: 26px; flex: none; line-height: 1.2; }
.cn-main { flex: 1; min-width: 0; }
.cn-main b { font-size: 14.5px; }
.cn-main .sub { font-size: 12px; margin-top: 2px; }
.cn-groups { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 7px; }
.cn-acts { display: flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end;
  flex: none; max-width: 320px; }
.cn-acts .btn { padding: 4px 8px; font-size: 11.5px; }
.assign-list { max-height: 34vh; overflow: auto; margin-top: 8px; }
@media (max-width: 700px) {
  .content-row { flex-wrap: wrap; }
  .cn-acts { max-width: none; width: 100%; justify-content: flex-start; }
}

/* ═══════════ العارض المحمي (الطالب) ═══════════
   الحماية هنا ردع لا استحالة: بلا زر تحميل، وبعلامة باسم الطالب تتحرّك
   فتفشل القصّ، وبتعتيم عند مغادرة النافذة. من يريد التصوير بموبايل آخر
   سيستطيع — والعلامة هي ما يجعله معروفاً. */
#viewer { position: fixed; inset: 0; z-index: 9600; display: none;
  background: #0d1417; flex-direction: column; }
#viewer.on { display: flex; }
.vw-bar { display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 10px 14px; background: rgba(255,255,255,.07); color: #fff;
  flex: none; font-size: 14px; }
.vw-bar > span { display: flex; gap: 8px; align-items: center; flex: none; }
.vw-btn { background: rgba(255,255,255,.14); color: #fff; border: 0; border-radius: 8px;
  min-width: 36px; height: 32px; padding: 0 10px; font: inherit; font-size: 13px;
  cursor: pointer; display: grid; place-items: center; text-decoration: none; }
.vw-btn:hover { background: rgba(255,255,255,.26); }
.vw-note { font-size: 12px; color: rgba(255,255,255,.65); }
.vw-stage { position: relative; flex: 1; min-height: 0; overflow: auto;
  display: grid; place-items: center; transition: filter .2s; }
.vw-stage img { max-width: 100%; height: auto; display: block;
  user-select: none; -webkit-user-drag: none; pointer-events: none; }
.vw-stage iframe { width: 100%; height: 100%; border: 0; background: #fff; }
.vw-stage video, .vw-stage audio { max-width: 100%; }
.vw-mark { position: absolute; inset: 0; display: grid; place-items: center;
  pointer-events: none; user-select: none;
  font-size: clamp(15px, 4vw, 26px); font-weight: 700; letter-spacing: 1px;
  color: rgba(255, 255, 255, .34); text-shadow: 0 1px 3px rgba(0,0,0,.45);
  transform: rotate(-24deg); transition: transform 2.5s ease-in-out; }

/* ═══════════ مشغّل الامتحان (الطالب) ═══════════ */
#exam-runner { position: fixed; inset: 0; z-index: 9700; display: none;
  background: var(--paper); flex-direction: column; }
#exam-runner.on { display: flex; }
.xr-bar { display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 12px 16px; background: var(--primary); color: #fff; flex: none; }
.xr-right { display: flex; align-items: center; gap: 10px; flex: none; }
.xr-saved { font-size: 11.5px; opacity: .85; }
.xr-timer { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 17px;
  background: rgba(255,255,255,.16); padding: 4px 10px; border-radius: 8px; }
.xr-timer.danger { background: var(--red-pen); animation: xr-pulse 1s infinite; }
@keyframes xr-pulse { 50% { opacity: .55 } }
.xr-note { background: #fff; border-bottom: 1px solid var(--line); padding: 10px 16px;
  font-size: 13px; color: var(--ink-soft); flex: none; }
.xr-stage { flex: 1; min-height: 0; overflow: auto; padding: 14px 16px 20px;
  display: grid; gap: 12px; align-content: start; }
.xr-q { background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; }
.xr-q.answered { border-color: var(--green-ok); }
.xr-qh { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 10px; }
.xr-num { background: var(--primary); color: #fff; width: 26px; height: 26px;
  border-radius: 50%; display: grid; place-items: center; font-size: 13px;
  font-weight: 700; flex: none; }
.xr-opt { display: flex; align-items: center; gap: 9px; padding: 10px 12px;
  border: 1.5px solid var(--line); border-radius: 10px; margin-bottom: 7px;
  cursor: pointer; font-size: 14px; }
.xr-opt:hover { border-color: var(--primary); }
.xr-opt.on { border-color: var(--primary); background: var(--paper); }
.xr-opt input { width: auto; flex: none; margin: 0; }
.xr-input { width: 100%; }
.xr-foot { flex: none; display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 12px 16px; background: #fff; border-top: 1px solid var(--line); }

/* ═══════════ استوديو الصور ═══════════ */
.studio-ideas { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.studio-refs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.studio-refs figure { position: relative; margin: 0; }
.studio-refs img { width: 78px; height: 78px; object-fit: cover;
  border-radius: 10px; border: 1px solid var(--line); display: block; }
.studio-refs .preset-x { position: absolute; top: -6px; inset-inline-end: -6px;
  background: var(--red-pen); color: #fff; border-radius: 50%; width: 20px;
  height: 20px; display: grid; place-items: center; font-size: 11px;
  border: 0; cursor: pointer; }

/* ═══════════ سؤال التوصيل وصورة السؤال ═══════════ */
.xr-img { max-width: 100%; max-height: 260px; border-radius: 10px;
  display: block; margin: 0 0 10px; border: 1px solid var(--line); }
.xr-match { display: grid; gap: 8px; }
.xr-pair { display: flex; align-items: center; gap: 10px; }
.xr-pl { flex: 1; background: var(--paper); border-radius: 9px;
  padding: 9px 12px; font-size: 14px; }
.xr-pair select { flex: 1; }
.match-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.match-row input { flex: 1; }
@media (max-width: 520px) { .xr-pair { flex-direction: column; align-items: stretch; } }

/* صفحة الباقة */
.plan-sub { color: var(--ink-soft); font-size: 12.5px; }

/* ====== اختيار الدور على شاشات الدخول ====== */
.role-pick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 4px 0 18px; }
.role {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 11px 6px; border: 1.5px solid var(--line); border-radius: 12px;
  background: var(--card); color: var(--ink-soft); cursor: pointer;
  text-decoration: none; font: inherit; text-align: center;
}
.role span { font-size: 20px; line-height: 1.3; }
.role b { font-size: 13px; color: var(--ink); font-weight: 700; }
.role small { font-size: 10.5px; color: var(--ink-soft); }
.role:hover { border-color: var(--primary); }
.role.on { border-color: var(--primary); background: rgba(20, 97, 110, .07); }
.role.on b { color: var(--primary); }

/* ====== طبقة الـPWA: شريط الرسائل + وضع التطبيق المثبَّت ====== */
.pwa-bar {
  position: fixed; z-index: 900; inset-inline: 12px;
  bottom: calc(12px + env(safe-area-inset-bottom));
  display: none; align-items: center; gap: 10px;
  padding: 11px 14px; border-radius: 14px; font-size: 13px; line-height: 1.5;
  background: var(--ink); color: #fff; box-shadow: 0 8px 26px rgba(0, 0, 0, .22);
  max-width: 560px; margin: 0 auto;
}
.pwa-bar.on { display: flex; }
.pwa-bar.warn { background: #8a5a12; }
.pwa-bar span { flex: 1; min-width: 0; }
.pwa-btn {
  flex: 0 0 auto; background: #fff; color: var(--ink); border: 0;
  border-radius: 9px; padding: 7px 13px; font: inherit; font-weight: 700; cursor: pointer;
}
.pwa-x {
  flex: 0 0 auto; background: transparent; border: 0; color: #fff;
  opacity: .7; font-size: 15px; cursor: pointer; padding: 4px 6px;
}
.pwa-x:hover { opacity: 1; }

/* التطبيق المثبَّت بيشيل شريط المتصفح، فبقى هو المسؤول عن مسافة النوتش
   وشريط الحالة — من غير ده المحتوى بيتخبّى تحت الساعة على الآيفون. */
html.standalone body { padding-top: env(safe-area-inset-top); }
html.standalone .sidebar { padding-top: calc(20px + env(safe-area-inset-top)); }
html.standalone .sidebar .foot { padding-bottom: calc(10px + env(safe-area-inset-bottom)); }
@media (max-width: 820px) {
  html.standalone .main { padding-bottom: calc(18px + env(safe-area-inset-bottom)); }
}

/* ====== طابور العمل بلا نت ====== */
.outbox-badge {
  position: fixed; z-index: 880; inset-inline-start: 14px;
  bottom: calc(14px + env(safe-area-inset-bottom));
  background: var(--primary); color: #fff; border: 0; border-radius: 99px;
  padding: 9px 15px; font: inherit; font-size: 12.5px; font-weight: 700;
  cursor: pointer; box-shadow: 0 6px 20px rgba(0, 0, 0, .2);
}
.outbox-badge.bad { background: var(--red-pen); }
.ob-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px;
}
.ob-row:last-child { border-bottom: 0; }
.ob-row.bad { background: #fff6f5; border-radius: 8px; padding-inline: 8px; }
.cache-stamp {
  position: fixed; z-index: 870; inset-inline-end: 14px;
  bottom: calc(14px + env(safe-area-inset-bottom));
  background: #8a5a12; color: #fff; border-radius: 99px;
  padding: 8px 14px; font-size: 12px; font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .18);
}

/* ── تنقّل الصفحات ── */
.pager {
  display: flex; align-items: center; justify-content: center; gap: 14px;
  margin-top: 14px; padding: 12px; font-size: 14px; color: var(--ink-soft);
}
.pager button[disabled] { opacity: .45; cursor: not-allowed; }

/* ── دليل المدرّس ── */
.guide-steps { counter-reset: gs; list-style: none; padding: 0; margin: 0; }
.guide-steps li {
  counter-increment: gs; position: relative;
  padding: 0 44px 14px 0; margin-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}
.guide-steps li:last-child { border-bottom: 0; padding-bottom: 0; margin-bottom: 0; }
.guide-steps li::before {
  content: counter(gs); position: absolute; inset-inline-start: 0; top: 0;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--primary, #14616e); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
}
.guide-steps li > b { display: block; font-size: 14.5px; margin-bottom: 4px; }
.guide-steps li > div { font-size: 13.6px; line-height: 1.9; color: var(--ink-soft); }
.guide-steps code {
  background: var(--paper, #f6f4ef); padding: 1px 6px; border-radius: 5px;
  font-size: 12.5px; direction: ltr; display: inline-block;
}
.guide-tips {
  margin-top: 14px; padding: 12px 14px; border-radius: 10px;
  background: rgba(20, 97, 110, .06); font-size: 13.2px; line-height: 1.9;
}
.guide-tips > div + div { margin-top: 6px; }
.guide-sec .card-head:hover h2 { color: var(--primary, #14616e); }