:root {
  --bg: #f6f3ee;
  --surface: #fffdf9;
  --surface-2: #f1ede6;
  --border: #e6e0d6;
  --text: #2a2a28;
  --muted: #7b776f;
  --primary: #2f5d50;
  --primary-hover: #264d42;
  --primary-soft: #e2ece7;
  --on-primary: #ffffff;
  --accent-soft: #ebe6dd;
  --success: #3f7d5a;
  --success-soft: #e3f0e8;
  --warn: #a8641f;
  --warn-soft: #f8ecdc;
  --danger: #a8412f;
  --danger-soft: #f7e3df;
  --shadow: 0 1px 2px rgba(60, 50, 30, .05);
  --pulled: #d6cebf;
  --pulled-hover: #cdc4b3;
  --radius: 12px;
  --font: "IBM Plex Sans Arabic", Tahoma, "Segoe UI", sans-serif;
  --font-title: "Amiri", "IBM Plex Sans Arabic", Tahoma, serif;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #1b1d1c;
  --surface: #232625;
  --surface-2: #2a2e2c;
  --border: #353a37;
  --text: #ebe8e2;
  --muted: #9d9a93;
  --primary: #6fae98;
  --primary-hover: #82bea9;
  --primary-soft: #2b3a34;
  --on-primary: #13201b;
  --accent-soft: #2e3230;
  --success: #7cc39a;
  --success-soft: #26362d;
  --warn: #e0a865;
  --warn-soft: #3b3125;
  --danger: #e08b7a;
  --danger-soft: #3d2a26;
  --shadow: none;
  --pulled: #121413;
  --pulled-hover: #0d0f0e;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1b1d1c; --surface: #232625; --surface-2: #2a2e2c; --border: #353a37;
    --text: #ebe8e2; --muted: #9d9a93; --primary: #6fae98; --primary-hover: #82bea9;
    --primary-soft: #2b3a34; --on-primary: #13201b; --accent-soft: #2e3230; --success: #7cc39a; --success-soft: #26362d;
    --warn: #e0a865; --warn-soft: #3b3125; --danger: #e08b7a; --danger-soft: #3d2a26;
    --shadow: none; --pulled: #121413; --pulled-hover: #0d0f0e; color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
svg.i { width: 18px; height: 18px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.7;
        stroke-linecap: round; stroke-linejoin: round; }

/* ------------------------------------------------ تخطيط */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 260px; flex: none; background: var(--surface); border-inline-start: 0;
  border-inline-end: 1px solid var(--border);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 12px; padding: 22px 20px 18px;
         border-bottom: 1px solid var(--border); margin: 0 12px; }
.brand .logo { width: 44px; height: 44px; border-radius: 12px; background: var(--primary-soft);
               display: grid; place-items: center; color: var(--primary); }
.brand .logo svg { width: 24px; height: 24px; }
.brand .logo img { width: 100%; height: 100%; object-fit: contain; border-radius: 12px; background: #fff; }
.brand b { font-family: var(--font-title); font-size: 17px; display: block; line-height: 1.3; }
.brand small { color: var(--muted); font-size: 12px; }
.nav { padding: 14px 12px; overflow-y: auto; flex: 1; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 9px 14px; border-radius: 10px;
         color: var(--text); margin-bottom: 3px; position: relative; }
.nav a:hover { background: var(--surface-2); }
.nav a.on { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.nav a.on::after { content: ""; position: absolute; inset-inline-end: -12px; top: 8px; bottom: 8px;
                   width: 3px; border-radius: 3px; background: var(--primary); }
.nav .sec { color: var(--muted); font-size: 11.5px; padding: 14px 14px 6px; }
.nav .badge { margin-inline-start: auto; }
.side-foot { border-top: 1px solid var(--border); padding: 14px 16px; display: flex; align-items: center;
             gap: 10px; margin: 0 12px; }
.bot-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--danger); flex: none; }
.bot-dot.on { background: var(--success); box-shadow: 0 0 0 3px var(--success-soft); }
.side-foot .grow { flex: 1; min-width: 0; font-size: 12.5px; }
.side-foot .grow small { color: var(--muted); display: block; overflow: hidden; text-overflow: ellipsis; }
.icon-btn { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--border);
            border-radius: 9px; background: var(--surface); cursor: pointer; color: var(--muted); }
.icon-btn:hover { color: var(--text); background: var(--surface-2); }

.main { flex: 1; min-width: 0; padding: 26px 32px 60px; }
.topbar { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 22px; flex-wrap: wrap; }
.topbar h1 { font-family: var(--font-title); font-size: 28px; margin: 0; line-height: 1.35; }
.topbar .sub { color: var(--muted); font-size: 13px; }
.topbar .actions { margin-inline-start: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.menu-btn { display: none; }

.crumbs { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; color: var(--muted);
          font-size: 13px; margin-bottom: 6px; }
.crumbs a:hover { color: var(--primary); text-decoration: underline; }
.crumbs .sep { opacity: .5; }

/* ------------------------------------------------ عناصر */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
        box-shadow: var(--shadow); }
.card-h { display: flex; align-items: center; gap: 8px; padding: 14px 18px; border-bottom: 1px solid var(--border);
          font-weight: 600; }
.card-h .more { margin-inline-start: auto; font-weight: 400; font-size: 13px; color: var(--primary); }
.card-b { padding: 16px 18px; }
.empty { color: var(--muted); padding: 26px 18px; text-align: center; }

.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: 1fr 1fr; }
.g4 { grid-template-columns: repeat(4, 1fr); }
.tiles { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.stack > * + * { margin-top: 16px; }

.stat { padding: 18px 20px; }
.stat .n { font-size: 30px; font-weight: 700; line-height: 1.1; }
.stat .l { color: var(--muted); font-size: 13px; margin-top: 4px; }
.stat.hl .n { color: var(--primary); }

.tile { display: block; padding: 18px; transition: border-color .15s, transform .15s; }
.tile:hover { border-color: var(--primary); transform: translateY(-1px); }
.tile .t-ic { width: 40px; height: 40px; border-radius: 10px; background: var(--primary-soft);
              color: var(--primary); display: grid; place-items: center; margin-bottom: 12px; }
.tile h3 { margin: 0 0 4px; font-size: 16px; }
.tile .meta { color: var(--muted); font-size: 12.5px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.btn { display: inline-flex; align-items: center; gap: 7px; padding: 8px 15px; border-radius: 9px;
       border: 1px solid var(--border); background: var(--surface); cursor: pointer; white-space: nowrap;
       font-size: 13.5px; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.btn.primary:hover { background: var(--primary-hover); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: var(--danger-soft); }
.btn.sm { padding: 5px 10px; font-size: 12.5px; }
.btn.lg { padding: 11px 20px; font-size: 15px; }
.btn:disabled { opacity: .5; cursor: default; }
.link { color: var(--primary); }
.link:hover { text-decoration: underline; }

.badge { display: inline-flex; align-items: center; gap: 4px; padding: 1px 9px; border-radius: 99px;
         font-size: 12px; font-weight: 600; background: var(--accent-soft); color: var(--muted); white-space: nowrap; }
.badge.new { background: var(--warn-soft); color: var(--warn); }
.badge.ok { background: var(--success-soft); color: var(--success); }
.badge.off { background: var(--danger-soft); color: var(--danger); }
.badge.pri { background: var(--primary); color: var(--on-primary); }

input:not([type]), input[type=text], input[type=number], input[type=date], input[type=password], input[type=search], select, textarea {
  background: var(--surface); border: 1px solid var(--border); border-radius: 9px; padding: 8px 12px;
  width: 100%; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
label.f { display: block; font-weight: 600; margin-bottom: 6px; font-size: 13px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 5px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row > .grow { flex: 1; min-width: 160px; }

.filters { display: flex; flex-wrap: wrap; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.filters > * { width: auto; }
.filters input[type=search] { flex: 1; min-width: 200px; }
.filters label.row { flex-wrap: nowrap; gap: 6px; }
.filters label.row input { width: auto; }

table.t { width: 100%; border-collapse: collapse; }
table.t th { text-align: start; font-weight: 600; color: var(--muted); font-size: 12.5px; padding: 10px 14px;
             border-bottom: 1px solid var(--border); background: var(--surface-2); white-space: nowrap; }
table.t td { padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.t tr:last-child td { border-bottom: 0; }
table.t tbody tr:hover td { background: var(--surface-2); }
table.t tr.clickable { cursor: pointer; }
td .small, .small { color: var(--muted); font-size: 12px; }
.table-wrap { overflow-x: auto; }

.flash { padding: 11px 16px; border-radius: 10px; margin-bottom: 16px; display: flex; gap: 8px; align-items: center; }
.flash.ok { background: var(--success-soft); color: var(--success); }
.flash.err { background: var(--danger-soft); color: var(--danger); }

.bar { height: 8px; background: var(--surface-2); border-radius: 9px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--primary); border-radius: 9px; }
.bar.warn > span { background: var(--warn); }

/* ------------------------------------------------ صفحة المحاضرة */
.viewer { display: grid; grid-template-columns: 360px 1fr; gap: 18px; align-items: start; }
.viewer .pdf { height: calc(100vh - 150px); min-height: 520px; overflow: hidden; display: flex; flex-direction: column; }
.viewer .pdf iframe { flex: 1; width: 100%; border: 0; background: #525659; }
.pdf-bar { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-bottom: 1px solid var(--border); }
.pdf-bar .name { font-size: 12.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; font-size: 13.5px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 500; }
.print-box { background: var(--primary-soft); border-radius: 12px; padding: 16px; }
.copies { display: flex; align-items: center; gap: 0; border: 1px solid var(--border); border-radius: 10px;
          overflow: hidden; background: var(--surface); width: max-content; }
.copies button { width: 40px; height: 42px; border: 0; background: transparent; cursor: pointer; font-size: 18px; }
.copies button:hover { background: var(--surface-2); }
.copies input { width: 70px; text-align: center; border: 0; border-radius: 0; font-size: 18px; font-weight: 700;
                padding: 8px 0; box-shadow: none !important; -moz-appearance: textfield; }
.copies input::-webkit-inner-spin-button { -webkit-appearance: none; }
.quick { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.quick button { padding: 3px 10px; border-radius: 7px; border: 1px solid var(--border); background: var(--surface);
                cursor: pointer; font-size: 12.5px; }
.quick button:hover { border-color: var(--primary); color: var(--primary); }

.lec-list { display: flex; flex-direction: column; }
.lec-item { display: flex; align-items: center; gap: 14px; padding: 12px 18px; border-bottom: 1px solid var(--border); }
.lec-item:last-child { border-bottom: 0; }
.lec-item:hover { background: var(--surface-2); }
.lec-num { width: 42px; height: 42px; border-radius: 10px; background: var(--primary-soft); color: var(--primary);
           display: grid; place-items: center; font-weight: 700; font-size: 16px; flex: none; }
.lec-item .info { flex: 1; min-width: 0; }
.lec-item .info b { display: block; }

.toast { position: fixed; bottom: 24px; inset-inline-start: 50%; transform: translateX(50%); z-index: 50;
         background: var(--text); color: var(--bg); padding: 11px 20px; border-radius: 10px; opacity: 0;
         pointer-events: none; transition: opacity .2s; }
.toast.show { opacity: 1; }

details.inline summary { cursor: pointer; list-style: none; display: inline; }
details.inline summary::-webkit-details-marker { display: none; }
details.inline[open] .inline-form { display: flex; }
.inline-form { display: none; gap: 6px; margin-top: 8px; }

.dept-chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 6px 5px 12px; margin: 4px;
             border: 1px solid var(--border); border-radius: 99px; background: var(--surface); font-size: 13px; }
.dept-chip form { display: inline; }
.dept-chip .x { border: 0; background: none; cursor: pointer; color: var(--muted); padding: 0 4px; }
.dept-chip .x:hover { color: var(--danger); }

.steps { margin: 0; padding-inline-start: 20px; }
.steps li { margin-bottom: 6px; }
code { direction: ltr; unicode-bidi: isolate; background: var(--surface-2); padding: 1px 6px; border-radius: 5px; font-size: 12.5px; }

/* ------------------------------------------------ موبايل */
@media (max-width: 1100px) {
  .viewer { grid-template-columns: 1fr; }
  .viewer .pdf { height: 75vh; }
  .g4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .sidebar { position: fixed; inset-block: 0; inset-inline-start: 0; z-index: 40; transform: translateX(100%);
             transition: transform .2s; box-shadow: 0 0 40px rgba(0,0,0,.15); }
  body.nav-open .sidebar { transform: none; }
  .menu-btn { display: grid; }
  .main { padding: 18px 16px 50px; }
  .g2 { grid-template-columns: 1fr; }
  .topbar h1 { font-size: 23px; }
  .hide-sm { display: none; }
}

@media print {
  .sidebar, .topbar .actions, .menu-btn, .filters, .no-print { display: none !important; }
  .main { padding: 0; }
  body { background: #fff; }
}

/* صفحة الدخول (النسخة السحابية) */
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 16px; background: var(--bg); }
.login-card { width: 100%; max-width: 380px; padding: 26px; }
.login-card .flash { margin-bottom: 14px; }
.side-foot form { margin: 0; }

/* ------------------------------------------------ الحسابات والسجل (v2) */
.side-user { display: flex; align-items: center; gap: 8px; padding: 10px 12px 14px 16px; border-top: 1px solid var(--border); }
.side-user a { display: flex; align-items: center; gap: 10px; min-width: 0; padding: 4px 6px; border-radius: 9px; }
.side-user a:hover, .side-user a.on { background: var(--surface-2); }
.side-user b { display: block; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-user small { display: block; color: var(--muted); font-size: 11.5px; }
.side-user form { margin: 0; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: var(--on-primary);
          display: grid; place-items: center; font-weight: 700; flex: none; }
.grow { flex: 1; }

/* المحاضرة المسحوبة: شريط داكن بكل الأجهزة */
table.t tr.pulled td { background: var(--pulled); }
table.t tbody tr.pulled:hover td { background: var(--pulled-hover); }
table.t tr.pulled td:first-child { box-shadow: inset -4px 0 0 var(--success); }
.lec-item.pulled { background: var(--pulled); box-shadow: inset -4px 0 0 var(--success); }
.lec-item.pulled:hover { background: var(--pulled-hover); }
.pulled-by { font-size: 12px; color: var(--muted); margin-top: 4px; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.pulled-by svg.i { width: 14px; height: 14px; }
.pulled-by b { color: var(--text); }
.badge.edit { background: var(--primary-soft); color: var(--primary); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.off-row td { opacity: .6; }

.pulled-warn { background: var(--warn-soft); color: var(--text); border: 1px solid var(--warn); border-radius: 12px;
               padding: 12px 16px; }
.pulled-warn > b { color: var(--warn); display: block; margin-bottom: 4px; }
.pulled-warn.old { border-color: var(--border); background: var(--surface-2); }
.pulled-warn.old > b { color: var(--muted); }

.tabs { display: flex; gap: 4px; margin-bottom: 14px; border-bottom: 1px solid var(--border); overflow-x: auto; }
.tabs a { padding: 9px 16px; border-bottom: 2px solid transparent; color: var(--muted); white-space: nowrap; font-weight: 500; }
.tabs a.on { color: var(--primary); border-color: var(--primary); }
.sumline { padding: 12px 18px; border-bottom: 1px solid var(--border); color: var(--muted); }
.sumline b { color: var(--text); }
.act-tag { display: inline-block; padding: 1px 8px; border-radius: 6px; background: var(--accent-soft); font-size: 12px; font-weight: 600; }
.act-tag.a-print { background: var(--success-soft); color: var(--success); }
.act-tag.a-annotate, .act-tag.a-annotate_reset { background: var(--primary-soft); color: var(--primary); }
.act-tag.a-print_delete, .act-tag.a-lecture_delete { background: var(--danger-soft); color: var(--danger); }

.form-grid { display: grid; grid-template-columns: repeat(4, 1fr) auto; gap: 12px; align-items: end; }
.form-grid .end { display: flex; }
dialog.dlg { border: 1px solid var(--border); border-radius: 14px; background: var(--surface); color: var(--text);
             padding: 22px; width: min(420px, calc(100vw - 32px)); }
dialog.dlg::backdrop { background: rgba(0,0,0,.35); }
dialog.dlg h3 { margin: 0 0 14px; }
.sep-top { border-top: 1px solid var(--border); margin-top: 18px; padding-top: 14px; }
.nav-shade { display: none; }

/* ------------------------------------------------ موبايل: الجداول تصير بطاقات */
@media (max-width: 1000px) { .form-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 820px) {
  body.nav-open .nav-shade { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.3); z-index: 39; }
  .topbar { margin-bottom: 14px; }
  .topbar .actions { width: 100%; margin-inline-start: 0; }
  .topbar .actions .btn { flex: 1; justify-content: center; }
  .viewer .pdf { height: 70vh; min-height: 380px; }
}
@media (max-width: 640px) {
  body { font-size: 14.5px; }
  .main { padding: 14px 12px 40px; }
  .g4 { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat { padding: 14px; }
  .stat .n { font-size: 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .filters { padding: 12px; gap: 8px; }
  .filters > select, .filters > label, .filters > .btn { flex: 1 1 calc(50% - 8px); }
  .filters input[type=search] { min-width: 100%; }
  table.t.cards thead { display: none; }
  table.t.cards, table.t.cards tbody, table.t.cards tr, table.t.cards td { display: block; width: 100%; }
  table.t.cards tr { border-bottom: 1px solid var(--border); padding: 10px 14px; position: relative; }
  table.t.cards td { border: 0; padding: 3px 0; background: none !important; box-shadow: none !important; position: relative; }
  table.t.cards td[data-l] { padding-inline-start: 84px; min-height: 26px; }
  table.t.cards td[data-l]::before { content: attr(data-l); color: var(--muted); font-size: 12px; position: absolute;
                                     inset-inline-start: 0; top: 5px; width: 78px; }
  table.t.cards td.act { padding-top: 8px; }
  table.t.cards td.act .btn { width: 100%; justify-content: center; }
  table.t.cards td.hide-sm { display: none; }
  table.t.cards tr.pulled { background: var(--pulled); box-shadow: inset -4px 0 0 var(--success); }
  .card-h { padding: 12px 14px; }
  .card-b { padding: 14px; }
  .lec-item { padding: 12px 14px; gap: 10px; }
  .kv { font-size: 13px; }
  .copies input { width: 60px; }
}
@media print {
  .side-user, .tabs, .nav-shade { display: none !important; }
  table.t tr.pulled td { background: none; }
}

/* ------------------------------------------------ النسخة المعدّلة والعرض بالموبايل */
.seg { display: inline-flex; background: var(--surface-2); border-radius: 9px; padding: 3px; gap: 2px; }
.seg button { border: 0; background: none; padding: 4px 12px; border-radius: 7px; cursor: pointer; font-size: 12.5px; color: var(--muted); }
.seg button.on { background: var(--surface); color: var(--text); font-weight: 600; box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.pdf-sub { display: flex; align-items: center; gap: 10px; padding: 6px 12px; font-size: 12px; color: var(--muted);
           border-bottom: 1px solid var(--border); background: var(--primary-soft); }
.pdf-sub form { margin: 0 0 0 0; margin-inline-start: auto; }
.linkbtn { border: 0; background: none; color: var(--danger); cursor: pointer; font-size: 12px; padding: 0; text-decoration: underline; }
.review-note { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 10px 12px; background: var(--warn-soft);
               border-bottom: 1px solid var(--warn); font-size: 13px; }
.review-note span { flex: 1; min-width: 200px; }
.review-note form { margin: 0; }
#pdf-pages { flex: 1; overflow-y: auto; background: #525659; }
.pdfjs-pages { padding: 8px; }
.pdfjs-page { background: #fff; margin: 0 auto 8px; box-shadow: 0 1px 4px rgba(0,0,0,.4); width: 100%; }
.pdfjs-page canvas { width: 100%; height: 100%; display: block; }
@media (max-width: 640px) {
  .pdf-bar { flex-wrap: wrap; }
  .viewer .pdf { height: auto; min-height: 0; }
  #pdf-pages { max-height: 80vh; }
}
/* pdf.js يرسم الحروف وحدة وحدة؛ بصفحة عربية (rtl) المسافات تخرب إذا ما خليناه ltr */
.pdfjs-pages, .pdfjs-page canvas { direction: ltr; }

/* ---------- رفع محاضرة من المكتبة ---------- */
.up-form { max-width: 760px; }
.up-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.up-grid .full { grid-column: 1 / -1; }
.up-grid select:disabled { opacity: .6; }
.seg.big { display: flex; flex-wrap: wrap; }
.seg.big button { padding: 7px 14px; font-size: 13.5px; flex: 1; }
#inst { margin-top: 8px; }
.drop { display: flex; align-items: center; justify-content: center; min-height: 96px; padding: 16px; text-align: center;
        border: 2px dashed var(--border); border-radius: 12px; cursor: pointer; color: var(--muted); background: var(--surface-2); }
.drop:hover, .drop.over { border-color: var(--primary); color: var(--primary); }
.drop.has { border-style: solid; border-color: var(--success); color: var(--text); }
.drop input { display: none; }
.drop .i { width: 18px; height: 18px; vertical-align: -4px; }
.up-progress { margin-top: 16px; display: grid; gap: 6px; }
@media (max-width: 640px) { .up-grid { grid-template-columns: 1fr; } }

/* ---------- الدمج ---------- */
.selall { margin-inline-start: auto; border: 0; background: none; color: var(--primary); cursor: pointer; font-size: 13px; font-weight: 600; }
.lec-item.pick { cursor: pointer; }
.lec-item.pick input { width: 20px; height: 20px; accent-color: var(--primary); flex: none; }
.lec-item.pick.off { opacity: .5; cursor: not-allowed; }
.lec-item.pick:has(input:checked) { outline: 2px solid var(--primary); outline-offset: -2px; }
.merge-bar { position: sticky; bottom: 0; z-index: 5; display: flex; gap: 10px; align-items: center; margin-top: 16px;
             padding: 12px 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
             box-shadow: 0 -4px 16px rgba(0,0,0,.06); }
.merge-bar .grow { flex: 1; }
.save-box { border-color: var(--primary); }
.up-progress[hidden] { display: none; }

/* ------------------------------------------------ البحث */
.sx { overflow: visible; }
.sx-top { display: flex; gap: 10px; padding: 16px 18px 10px; }
.sx-box { flex: 1; display: flex; align-items: center; gap: 8px; background: var(--surface); border: 1.5px solid var(--border);
          border-radius: 12px; padding: 0 14px; color: var(--muted); position: relative; }
.sx-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.sx-box input { border: 0 !important; box-shadow: none !important; background: none; padding: 11px 0; font-size: 16px; flex: 1; min-width: 0; outline: 0; }
.sx-spin { width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--primary); border-radius: 50%;
           animation: sxspin .7s linear infinite; flex: none; }
.sx-spin[hidden] { display: none; }
@keyframes sxspin { to { transform: rotate(360deg); } }
.sx-scope { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 0 18px 12px; }
.pill { display: inline-flex; cursor: pointer; user-select: none; }
.pill input { position: absolute; opacity: 0; pointer-events: none; }
.pill span { padding: 4px 12px; border-radius: 99px; border: 1px solid var(--border); font-size: 13px; color: var(--muted); background: var(--surface); }
.pill input:checked + span { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); font-weight: 600; }
.pill input:focus-visible + span { outline: 2px solid var(--primary); }
.sx-help { margin: 0 18px 12px; padding: 10px 14px; background: var(--surface-2); border-radius: 10px; font-size: 13px; }
.sx-help ul { margin: 0; padding-inline-start: 18px; }
.sx-help li { margin: 3px 0; }
.sx-f { border-top: 1px solid var(--border); }
.sx-f select { max-width: 220px; }
.sx-sum { padding: 12px 18px; font-size: 14px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.sx-sum b { color: var(--text); }
.sx-sugg a { color: var(--primary); font-weight: 600; }
.sx-quick { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 18px 14px; }
.sx-chip { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border: 1px solid var(--border); border-radius: 10px;
           background: var(--surface-2); max-width: 100%; }
.sx-chip:hover { border-color: var(--primary); }
.sx-chip svg.i { color: var(--primary); flex: none; }
.sx-chip span { display: flex; flex-direction: column; min-width: 0; }
.sx-chip small { color: var(--muted); font-size: 11.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sx-why { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.sx-why span { font-size: 11px; padding: 0 7px; border-radius: 99px; background: var(--primary-soft); color: var(--primary); }
tr.sx-snip td { padding-top: 0 !important; font-size: 13px; color: var(--muted); border-top: 0 !important; line-height: 1.9; }
tr.sx-snip .pg { display: inline-block; font-size: 11px; font-weight: 600; padding: 0 8px; border-radius: 6px; background: var(--surface-2); color: var(--text); margin-inline-end: 4px; }
mark { background: #f3dc8b; color: #2a2a28; border-radius: 3px; padding: 0 2px; }
.home-search { display: flex; gap: 10px; padding: 12px; }
@media (max-width: 720px) {
  .sx-top { flex-direction: column; padding: 12px; }
  .sx-scope, .sx-quick, .sx-sum { padding-inline: 12px; }
  .sx-f select { max-width: none; flex: 1 1 45%; }
  tr.sx-snip { display: block; }
  tr.sx-snip td { display: block; padding: 0 12px 12px !important; }
  .home-search { flex-direction: column; }
}

/* ------------------------------------------------ تصفح القسم */
.seg a { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 7px; font-size: 13px; color: var(--muted); }
.seg a.on { background: var(--surface); color: var(--text); font-weight: 600; box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.big-tiles { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.big-tiles .tile { padding: 26px 22px; }
.big-tiles .tile h3 { font-size: 19px; }
.t-ic.stage-n { font-weight: 700; font-size: 18px; }
.sem-h { display: flex; align-items: center; gap: 8px; font-weight: 700; margin: 18px 2px 10px; color: var(--primary); }
.sem-h:first-child { margin-top: 0; }
.sem-form { display: inline; }
.sem-form select { width: auto; padding: 2px 8px; font-size: 13px; }

/* ------------------------------------------------ الإحصائيات */
.g3 { grid-template-columns: repeat(3, 1fr); }
.mini .stat { padding: 12px 16px; }
.mini .stat .n { font-size: 20px; }
.hb { display: flex; flex-direction: column; gap: 8px; }
.hb-row { display: grid; grid-template-columns: minmax(90px, 38%) 1fr auto; align-items: center; gap: 10px; font-size: 13px; }
.hb-l { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hb-track { height: 10px; border-radius: 4px; background: var(--surface-2); overflow: hidden; }
.hb-bar { display: block; height: 100%; background: var(--primary); border-radius: 0 4px 4px 0; min-width: 2px; }
[dir=rtl] .hb-bar { border-radius: 4px 0 0 4px; margin-inline-start: 0; }
.hb-row:hover .hb-bar { background: var(--primary-hover); }
.hb-v { font-weight: 600; min-width: 2.5em; text-align: end; font-variant-numeric: tabular-nums; }
.vc { display: flex; align-items: flex-end; gap: 4px; height: 190px; padding-top: 8px; }
.vc-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; min-width: 0; }
.vc-bar { width: 70%; max-width: 34px; background: var(--primary); border-radius: 4px 4px 0 0; min-height: 1px; }
.vc-col:hover .vc-bar { background: var(--primary-hover); }
.vc-v { font-size: 11px; font-weight: 600; margin-bottom: 3px; }
.vc-l { font-size: 10.5px; color: var(--muted); margin-top: 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%;
        border-top: 1px solid var(--border); padding-top: 4px; width: 100%; text-align: center; }
@media (max-width: 900px) { .g3 { grid-template-columns: 1fr; } }
@media (max-width: 720px) { .vc-l { font-size: 9px; } .vc { gap: 2px; } }
.sx-ftoggle { display: none; }
@media (max-width: 720px) {
  .sx-ftoggle { display: inline-flex; margin: 0 12px 12px; }
  .sx-f:not(.open) { display: none; }
}
.gd-code { margin-top: 14px; padding: 14px; border: 1px dashed var(--primary); border-radius: 12px; background: var(--primary-soft); text-align: center; }
.gd-code p { margin: 0 0 8px; }
.gd-uc { font: 700 28px/1.3 ui-monospace, Consolas, monospace; letter-spacing: 4px; color: var(--primary); margin: 6px 0; }
.topbar .seg { overflow-x: auto; max-width: 100%; }
.topbar .seg a { white-space: nowrap; }