/* ===== بيبراس موهبة — التنسيق العام ===== */
:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-2: #eef2f7;
  --text: #1c2433;
  --muted: #5b6678;
  --border: #dde3ec;
  --primary: #1f6feb;
  --primary-2: #1557c0;
  --primary-soft: #e3edff;
  --accent: #f08c2b;
  --accent-soft: #fff1e2;
  --ok: #1a9b5b;
  --ok-soft: #e2f6ec;
  --bad: #d64545;
  --bad-soft: #fde8e8;
  --warn: #b7791f;
  --shadow: 0 2px 10px rgba(20, 35, 60, .07);
  --radius: 14px;
  /* ألوان الرسومات */
  --fa: #8ab4ff; --fb: #ffc58a; --fc: #94dcb0; --fd: #c9b2ff; --fe: #ff9f9f; --ff: #ffe27a;
  --fwall: #5b6678; --fempty: #ffffff; --fdark: #2b3445; --flight: #eef2f7;
  --bulb-on: #ffd23f; --bulb-off: #c8ced8;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0f141c; --surface: #171e29; --surface-2: #1f2835; --text: #e7ecf3; --muted: #9aa6b8;
  --border: #2c3747; --primary: #5b9bff; --primary-2: #7fb0ff; --primary-soft: #1b2b45;
  --accent: #ffa652; --accent-soft: #3a2a18; --ok: #3ccf86; --ok-soft: #14301f; --bad: #ff7070; --bad-soft: #3a1c1c;
  --shadow: 0 2px 12px rgba(0, 0, 0, .35);
  --fa: #3f6fc4; --fb: #b9732e; --fc: #2f8a57; --fd: #6f55b8; --fe: #b04848; --ff: #a8902a;
  --fwall: #8a96a8; --fempty: #1f2835; --fdark: #c9d2df; --flight: #2a3442;
  --bulb-on: #ffd23f; --bulb-off: #3a4556;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f141c; --surface: #171e29; --surface-2: #1f2835; --text: #e7ecf3; --muted: #9aa6b8;
    --border: #2c3747; --primary: #5b9bff; --primary-2: #7fb0ff; --primary-soft: #1b2b45;
    --accent: #ffa652; --accent-soft: #3a2a18; --ok: #3ccf86; --ok-soft: #14301f; --bad: #ff7070; --bad-soft: #3a1c1c;
    --shadow: 0 2px 12px rgba(0, 0, 0, .35);
    --fa: #3f6fc4; --fb: #b9732e; --fc: #2f8a57; --fd: #6f55b8; --fe: #b04848; --ff: #a8902a;
    --fwall: #8a96a8; --fempty: #1f2835; --fdark: #c9d2df; --flight: #2a3442;
    --bulb-on: #ffd23f; --bulb-off: #3a4556;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Tajawal", "Segoe UI", Tahoma, sans-serif; font-size: 17px; line-height: 1.75;
}
a { color: var(--primary); }
img, svg { max-width: 100%; }
h1, h2, h3, h4 { line-height: 1.4; margin: 1.2em 0 .5em; }
h1 { font-size: 1.7rem; } h2 { font-size: 1.35rem; } h3 { font-size: 1.15rem; } h4 { font-size: 1.02rem; }
code { font-family: Consolas, "Courier New", monospace; background: var(--surface-2); padding: 0 .35em; border-radius: 6px; direction: ltr; unicode-bidi: isolate; display: inline-block; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.center { text-align: center; }
.hidden, [hidden] { display: none !important; }

/* ===== الرأس والتنقل ===== */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.site-header .wrap { display: flex; align-items: center; gap: 10px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.1rem; color: var(--text); text-decoration: none; white-space: nowrap; }
.brand .logo { width: 34px; height: 34px; border-radius: 10px; background: var(--accent); display: grid; place-items: center; color: #fff; font-size: 1.1rem; }
.nav { display: none; position: absolute; inset-inline: 0; top: 60px; background: var(--surface); border-bottom: 1px solid var(--border); padding: 8px 16px 14px; flex-direction: column; gap: 2px; }
.nav.open { display: flex; }
.nav a { padding: 10px 12px; border-radius: 10px; color: var(--text); text-decoration: none; font-weight: 600; }
.nav a:hover { background: var(--surface-2); }
.nav a.active { background: var(--primary-soft); color: var(--primary); }
.header-tools { margin-inline-start: auto; display: flex; gap: 6px; }
.icon-btn { width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: 1.15rem; cursor: pointer; display: grid; place-items: center; }
.icon-btn:hover { background: var(--surface-2); }
@media (min-width: 960px) {
  .nav { display: flex; position: static; flex-direction: row; padding: 0; border: 0; background: none; margin-inline-start: 12px; }
  .nav a { padding: 8px 10px; font-size: .95rem; }
  .menu-btn { display: none; }
}

main { padding: 18px 0 40px; min-height: 70vh; }
.site-footer { border-top: 1px solid var(--border); padding: 20px 0; color: var(--muted); font-size: .9rem; text-align: center; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px 10px; margin-bottom: 12px; }
.footer-label { font-weight: 700; }
.footer-links a { display: inline-block; padding: 4px 12px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); text-decoration: none; }
.footer-links a:hover { border-color: currentColor; }
.footer-note { margin: 0 0 14px; }
.footer-credit { margin: 0; font-size: 1rem; }
.footer-credit .creator { font-family: 'Aref Ruqaa', 'Tajawal', serif; font-weight: 700; font-size: 1.6rem; color: var(--text, inherit); margin-inline-start: .3em; line-height: 1.6; }

/* ===== عناصر عامة ===== */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.grid { display: grid; gap: 14px; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-weight: 700; padding: 10px 18px; min-height: 44px; border-radius: 12px; border: 1px solid transparent; cursor: pointer; text-decoration: none; background: var(--primary); color: #fff; transition: background .15s, transform .05s; }
.btn:hover { background: var(--primary-2); }
.btn:active { transform: translateY(1px); }
.btn.secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn.secondary:hover { background: var(--surface-2); }
.btn.accent { background: var(--accent); }
.btn.ghost { background: transparent; color: var(--primary); }
.btn.small { padding: 6px 12px; min-height: 36px; font-size: .92rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.badge { display: inline-block; font-size: .8rem; font-weight: 700; padding: 2px 10px; border-radius: 999px; background: var(--surface-2); color: var(--muted); white-space: nowrap; }
.badge.lvl { background: var(--primary-soft); color: var(--primary); }
.badge.diff-easy { background: var(--ok-soft); color: var(--ok); }
.badge.diff-medium { background: var(--accent-soft); color: var(--accent); }
.badge.diff-hard { background: var(--bad-soft); color: var(--bad); }
.badge.done { background: var(--ok-soft); color: var(--ok); }
.page-title { margin-top: .4em; }
.lead { font-size: 1.08rem; color: var(--muted); }
.notice { border-radius: 12px; padding: 12px 14px; background: var(--primary-soft); border: 1px solid var(--border); margin: 12px 0; }
.notice.warn { background: var(--accent-soft); }
.notice.err { background: var(--bad-soft); }
input[type="text"], input[type="number"], input[type="search"], select, textarea {
  font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 8px 12px; min-height: 44px; max-width: 100%;
}
input:focus, select:focus, textarea:focus, .btn:focus-visible, button:focus-visible { outline: 3px solid var(--primary-soft); outline-offset: 1px; border-color: var(--primary); }
label { cursor: pointer; }
.progress { height: 14px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 999px; transition: width .4s; }

/* ===== الرئيسية ===== */
.hero { background: linear-gradient(135deg, var(--primary-soft), var(--accent-soft)); border-radius: 22px; padding: 26px 20px; margin-bottom: 18px; display: grid; gap: 14px; align-items: center; }
.hero h1 { margin: 0; font-size: 1.8rem; }
.hero p { margin: 0; }
@media (min-width: 760px) { .hero { grid-template-columns: 1.4fr 1fr; padding: 34px; } .hero h1 { font-size: 2.2rem; } }
.big-links { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 760px) { .big-links { grid-template-columns: repeat(3, 1fr); } }
.big-link { display: flex; flex-direction: column; gap: 4px; padding: 18px; border-radius: 18px; background: var(--surface); border: 1px solid var(--border); text-decoration: none; color: var(--text); box-shadow: var(--shadow); transition: transform .12s, border-color .12s; }
.big-link:hover { transform: translateY(-2px); border-color: var(--primary); }
.big-link .ic { font-size: 2rem; }
.big-link strong { font-size: 1.1rem; }
.big-link span { color: var(--muted); font-size: .9rem; line-height: 1.5; }
.stats { display: grid; gap: 12px; grid-template-columns: repeat(3, 1fr); }
.stat .num { font-size: 1.4rem; font-weight: 800; }

/* ===== بطاقات المهارات ===== */
.skill-card { display: flex; gap: 12px; align-items: flex-start; text-decoration: none; color: var(--text); }
.skill-card .ic { font-size: 1.8rem; width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--surface-2); flex: none; }
.skill-card h3 { margin: 0 0 4px; font-size: 1.05rem; }
.skill-card p { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.55; }

/* ===== الدرس ===== */
.lesson { max-width: 780px; margin: 0 auto; }
.lesson section { margin: 18px 0; }
.term { background: var(--accent-soft); border-inline-start: 4px solid var(--accent); padding: 8px 12px; border-radius: 10px; margin: 8px 0; }
.box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin: 14px 0; }
.box h2, .box h3 { margin-top: 0; }
.keypoints { background: var(--primary-soft); border-radius: var(--radius); padding: 14px 18px; }
.keypoints ol { margin: 0; padding-inline-start: 1.3em; }
.mini-q { border-top: 1px dashed var(--border); padding-top: 12px; margin-top: 12px; }
.mini-q:first-of-type { border: 0; padding-top: 0; margin-top: 0; }
.steps { padding-inline-start: 1.4em; }
.steps li { margin: 4px 0; }

/* ===== الرسومات ===== */
.fig { margin: 12px auto; text-align: center; overflow-x: auto; }
.fig figcaption { color: var(--muted); font-size: .88rem; margin-top: 4px; }
.fig-svg { display: inline-block; vertical-align: middle; }
.fig-svg .t { fill: var(--text); font-family: "Tajawal", sans-serif; }
.fig-svg .tm { fill: var(--muted); font-family: "Tajawal", sans-serif; }
.fig-svg .ln { stroke: var(--muted); stroke-width: 2.5; fill: none; }
.fig-svg .bd { stroke: var(--text); stroke-width: 1.6; }
.fig-svg .wbg { fill: var(--surface); stroke: var(--border); }
.f-a { fill: var(--fa); } .f-b { fill: var(--fb); } .f-c { fill: var(--fc); } .f-d { fill: var(--fd); } .f-e { fill: var(--fe); } .f-f { fill: var(--ff); }
.f-wall { fill: var(--fwall); } .f-empty { fill: var(--fempty); } .f-dark { fill: var(--fdark); } .f-light { fill: var(--flight); }
.bulb-on { fill: var(--bulb-on); } .bulb-off { fill: var(--bulb-off); }
.fig-multi { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; align-items: flex-end; }
.fig-table { border-collapse: collapse; margin: 0 auto; min-width: 60%; background: var(--surface); }
.fig-table th, .fig-table td { border: 1px solid var(--border); padding: 6px 12px; text-align: center; }
.fig-table th { background: var(--surface-2); }
.hit { cursor: pointer; }
.hit:hover > rect, .hit:hover > circle, rect.hit:hover { stroke: var(--primary); stroke-width: 3; }
.hit.on > circle, .hit.on > rect, rect.hit.on { fill: var(--ff) !important; stroke: var(--accent); stroke-width: 3.5; }
.dis .hit { cursor: default; pointer-events: none; }

/* ===== السؤال ===== */
.q { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.q-head { display: flex; flex-wrap: wrap; gap: 6px; }
.q-title { margin: 10px 0 6px; }
.q-ask { background: var(--surface-2); border-radius: 12px; padding: 10px 14px; margin: 12px 0; }
.opts { display: grid; gap: 8px; margin: 10px 0; }
.opt { display: flex; align-items: center; gap: 10px; text-align: start; font: inherit; color: var(--text); background: var(--surface); border: 2px solid var(--border); border-radius: 12px; padding: 10px 12px; cursor: pointer; min-height: 48px; }
.opt:hover { border-color: var(--primary); }
.opt .l { flex: none; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-2); font-weight: 800; }
.opt.sel { border-color: var(--primary); background: var(--primary-soft); }
.opt.sel .l { background: var(--primary); color: #fff; }
.opt.right { border-color: var(--ok); background: var(--ok-soft); }
.opt.wrong { border-color: var(--bad); background: var(--bad-soft); }
.opt .fig { margin: 0; }
.short-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 10px 0; }
.short-in { width: 220px; font-size: 1.1rem; }
.order-list { list-style: none; padding: 0; margin: 10px 0; display: grid; gap: 8px; }
.order-list li { display: flex; align-items: center; gap: 8px; background: var(--surface); border: 2px solid var(--border); border-radius: 12px; padding: 6px 8px; user-select: none; }
.order-list li.dragging { opacity: .6; border-color: var(--primary); background: var(--primary-soft); }
.order-list .num { width: 28px; height: 28px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 800; flex: none; }
.order-list .handle { cursor: grab; font-size: 1.3rem; padding: 4px 8px; touch-action: none; color: var(--muted); }
.order-list .lbl { flex: 1; }
.order-list .mv { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text); cursor: pointer; font-size: 1rem; }
.dnd { margin: 10px 0; }
.pool, .bin-drop { min-height: 58px; display: flex; flex-wrap: wrap; gap: 8px; padding: 10px; border-radius: 12px; border: 2px dashed var(--border); background: var(--surface-2); }
.pool { margin-bottom: 10px; }
.bins { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.bin { background: var(--surface); border: 2px solid var(--border); border-radius: 12px; padding: 8px; cursor: pointer; }
.bin.over, .pool.over { border-color: var(--primary); }
.bin-label { font-weight: 800; margin-bottom: 6px; text-align: center; }
.chip { font: inherit; padding: 6px 12px; border-radius: 999px; border: 2px solid var(--primary); background: var(--surface); color: var(--text); cursor: grab; font-weight: 600; }
.chip.picked { background: var(--primary); color: #fff; }
.dnd-tip { font-size: .88rem; color: var(--muted); }
.path-out { background: var(--surface-2); border-radius: 10px; padding: 8px 12px; margin: 8px 0; min-height: 44px; }
.q-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.q-hint { background: var(--accent-soft); border-radius: 12px; padding: 10px 14px; margin-top: 10px; }
.feedback { border-radius: 12px; padding: 10px 14px; margin-top: 10px; font-weight: 700; }
.feedback.ok { background: var(--ok-soft); color: var(--ok); }
.feedback.no { background: var(--bad-soft); color: var(--bad); }
.solution { border-top: 2px solid var(--border); margin-top: 14px; padding-top: 6px; }
.solution h4 { margin: 12px 0 4px; }
.ct { background: var(--primary-soft); border-radius: 12px; padding: 10px 14px; margin-top: 10px; }
.ct h4 { margin-top: 0; }

/* ===== بنك الأسئلة ===== */
.filters { display: grid; gap: 8px; grid-template-columns: 1fr 1fr; margin-bottom: 14px; }
.filters .full { grid-column: 1 / -1; }
.filters select, .filters input { width: 100%; }
@media (min-width: 800px) { .filters { grid-template-columns: 2fr 1fr 1fr 1fr 1fr; } .filters .full { grid-column: auto; } }
.q-list { display: grid; gap: 12px; }
.q-item > summary { list-style: none; cursor: pointer; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 14px 16px; }
.q-item > summary::-webkit-details-marker { display: none; }
.q-item > summary .ttl { font-weight: 800; flex: 1 1 200px; }
.q-item[open] > summary { border-bottom: 1px solid var(--border); }
.q-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.q-item .q { border: 0; box-shadow: none; }

/* ===== الاختبار ===== */
.quiz-bar { position: sticky; top: 60px; z-index: 20; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 12px; margin-bottom: 12px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; box-shadow: var(--shadow); }
.timer { font-weight: 800; font-size: 1.1rem; font-variant-numeric: tabular-nums; direction: ltr; }
.timer.low { color: var(--bad); }
.qnav { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0; }
.qnav button { width: 40px; height: 40px; border-radius: 10px; border: 2px solid var(--border); background: var(--surface); color: var(--text); font: inherit; font-weight: 700; cursor: pointer; position: relative; }
.qnav button.ans { background: var(--primary-soft); border-color: var(--primary); }
.qnav button.cur { outline: 3px solid var(--accent); }
.qnav button.flag::after { content: "🚩"; position: absolute; top: -10px; inset-inline-end: -6px; font-size: .8rem; }
.qnav button.right { background: var(--ok-soft); border-color: var(--ok); }
.qnav button.wrong { background: var(--bad-soft); border-color: var(--bad); }
.score-big { font-size: 2.6rem; font-weight: 800; margin: 0; }
.review-item { margin: 14px 0; }
.ans-line { margin: 4px 0; }
.ans-line.me.no { color: var(--bad); }
.ans-line.me.ok { color: var(--ok); }
.form-row { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; margin: 8px 0; }
.checks { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.checks label { display: inline-flex; gap: 6px; align-items: center; }

/* ===== الملخص (A4) ===== */
.sheet { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; max-width: 800px; margin: 0 auto 20px; padding: 26px 30px; box-shadow: var(--shadow); }
.sheet h1 { margin-top: 0; font-size: 1.5rem; display: flex; gap: 10px; align-items: center; }
.sheet h2 { font-size: 1.08rem; margin: 14px 0 4px; color: var(--primary); }
.sheet p, .sheet ul { margin: 4px 0; }
.sheet ul { padding-inline-start: 1.3em; }
.sheet .cols { display: grid; gap: 10px 20px; }
@media (min-width: 700px) { .sheet .cols { grid-template-columns: 1fr 1fr; } }

/* ===== المساعد الذكي ===== */
.chat { display: flex; flex-direction: column; height: calc(100vh - 140px); min-height: 480px; max-width: 860px; margin: 0 auto; }
.chat-log { flex: 1; overflow-y: auto; padding: 8px 2px; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 92%; padding: 10px 14px; border-radius: 16px; line-height: 1.7; overflow-wrap: anywhere; }
.msg.user { align-self: flex-start; background: var(--primary); color: #fff; border-end-start-radius: 4px; white-space: pre-wrap; }
.msg.bot { align-self: flex-end; background: var(--surface); border: 1px solid var(--border); border-end-end-radius: 4px; }
.msg.bot p { margin: .4em 0; }
.msg.bot pre { background: var(--surface-2); padding: 10px; border-radius: 10px; overflow-x: auto; direction: ltr; text-align: left; }
.msg.bot pre code { background: none; padding: 0; display: block; }
.msg.bot table { border-collapse: collapse; } .msg.bot td, .msg.bot th { border: 1px solid var(--border); padding: 4px 8px; }
.msg.bot .katex-display { overflow-x: auto; overflow-y: hidden; direction: ltr; }
.msg.err { align-self: center; background: var(--bad-soft); color: var(--bad); font-size: .95rem; }
.typing { align-self: flex-end; color: var(--muted); padding: 6px 12px; }
.typing span { animation: blink 1.2s infinite; } .typing span:nth-child(2) { animation-delay: .2s; } .typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 100% { opacity: .2; } 50% { opacity: 1; } }
.suggest { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.suggest button { font: inherit; font-size: .9rem; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 999px; padding: 6px 12px; cursor: pointer; }
.suggest button:hover { border-color: var(--primary); color: var(--primary); }
.chat-form { display: flex; gap: 8px; align-items: flex-end; padding-top: 8px; border-top: 1px solid var(--border); }
.chat-form textarea { flex: 1; resize: none; min-height: 48px; max-height: 160px; }
.counter { font-size: .8rem; color: var(--muted); }

/* ===== منطقة الطباعة ===== */
#print-area { display: none; }
.print-only { display: none; }

@media print {
  @page { size: A4; margin: 14mm 12mm; }
  :root, :root[data-theme="dark"] {
    --bg: #fff; --surface: #fff; --surface-2: #f2f4f7; --text: #000; --muted: #444; --border: #999;
    --primary: #000; --primary-soft: #f2f4f7; --accent-soft: #f6f6f6; --ok-soft: #fff; --bad-soft: #fff;
    --fa: #9cc0ff; --fb: #ffcf9e; --fc: #a7e3be; --fd: #d5c4ff; --fe: #ffb3b3; --ff: #ffe88f;
    --fwall: #666; --fempty: #fff; --fdark: #222; --flight: #eee; --bulb-on: #ffd23f; --bulb-off: #ccc;
    color-scheme: light;
  }
  body { font-size: 12.5pt; background: #fff; line-height: 1.6; }
  .site-header, .site-footer, .no-print, .btn, .btn-row, .q-actions, nav, .quiz-bar, .qnav { display: none !important; }
  main { padding: 0; }
  .wrap { max-width: none; padding: 0; }
  .card, .box, .q, .sheet { box-shadow: none !important; border-color: #bbb; }
  .print-only { display: block; }
  a { color: #000; text-decoration: none; }
  .fig { overflow: visible; }
  .fig, .box, .keypoints, figure, svg { break-inside: avoid; }
  body.has-print > *:not(#print-area) { display: none !important; }
  body.has-print #print-area { display: block; }
  .sheet { border: 0; padding: 0; margin: 0; max-width: none; border-radius: 0; }
  .sheet + .sheet { break-before: page; }
}

/* تنسيق ورقة الاختبار المطبوعة */
.paper-head { border: 2px solid #000; border-radius: 8px; padding: 10px 14px; margin-bottom: 14px; }
.paper-head h1 { margin: 0 0 6px; font-size: 1.35rem; text-align: center; }
.paper-head .meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px; font-size: .95rem; }
.paper-fields { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 10px; margin-top: 10px; }
.paper-fields div { border-bottom: 1px dotted #000; padding-bottom: 2px; }
.pq { border: 1px solid #aaa; border-radius: 8px; padding: 10px 14px; margin: 0 0 12px; break-inside: avoid; }
.pq h3 { margin: 0 0 4px; font-size: 1.05rem; }
.pq .opts-p { list-style: none; padding: 0; margin: 6px 0; display: grid; gap: 4px; grid-template-columns: 1fr 1fr; }
.pq .opts-p li::before { content: "◯ "; }
.pq .line { border-bottom: 1px dotted #000; height: 26px; margin: 8px 0; }
.pq .space { border: 1px dashed #aaa; border-radius: 6px; min-height: 70px; margin-top: 8px; padding: 4px 8px; color: #777; font-size: .85rem; }
.pq table { border-collapse: collapse; margin: 6px 0; }
.pq td, .pq th { border: 1px solid #888; padding: 4px 10px; }
.answer-key { break-before: page; }
.answer-key h2 { text-align: center; }
.answer-key ol li { margin: 6px 0; }

/* نافذة التأكيد */
.ask-overlay { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 16px; background: rgba(10, 16, 26, .45); }
.ask-box { max-width: 420px; width: 100%; display: grid; gap: 14px; }
.ask-box p { margin: 0; line-height: 1.8; }
.ask-actions { display: flex; flex-wrap: wrap; gap: 10px; }
@media print { .ask-overlay { display: none !important; } }