/* Layout: top bar + centered working column; exam view gets a two-pane body (question / navigator).
   Identity: Qarar brand navy + gold (from the platform banner), with the highlighter yellow the answer sheets use for correct answers. */
:root {
  --bg: #f3f6fa;
  --surface: #ffffff;
  --surface-2: #edf2f8;
  --line: #d9e1ec;
  --ink: #142033;
  --ink-2: #4b5a70;
  --ink-3: #7a879a;
  --primary: #174f93;      /* كحلي قرار */
  --primary-ink: #ffffff;
  --primary-soft: #e3ecf8;
  --gold: #b48a35;         /* ذهبي قرار */
  --hl: #fde56a;           /* قلم التظليل */
  --hl-ink: #3b3000;
  --letter: #c62d2d;       /* لون حروف الخيارات كما في الأوراق */
  --good: #15803d; --good-soft: #dcf3e3;
  --mid: #b45309;  --mid-soft: #fdefd6;
  --low: #c0262d;  --low-soft: #fbe2e2;
  --shadow: 0 1px 2px rgba(16, 40, 30, .06), 0 6px 18px rgba(16, 40, 30, .06);
  --radius: 12px;
  --font-body: 'IBM Plex Sans Arabic', 'Segoe UI', Tahoma, system-ui, sans-serif;
  --font-display: 'Cairo', 'IBM Plex Sans Arabic', 'Segoe UI', Tahoma, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e141d; --surface: #151d29; --surface-2: #1b2533; --line: #283446;
    --ink: #e7edf6; --ink-2: #a9b5c7; --ink-3: #7b889c;
    --primary: #6ea3e8; --primary-ink: #0a1a30; --primary-soft: #1a2b45; --gold: #d8b468;
    --hl: #e6c935; --hl-ink: #241d00; --letter: #f07272;
    --good: #4ade80; --good-soft: #163524; --mid: #fbbf24; --mid-soft: #3a2c0e; --low: #f87171; --low-soft: #3d1a1b;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e141d; --surface: #151d29; --surface-2: #1b2533; --line: #283446;
  --ink: #e7edf6; --ink-2: #a9b5c7; --ink-3: #7b889c;
  --primary: #6ea3e8; --primary-ink: #0a1a30; --primary-soft: #1a2b45; --gold: #d8b468;
  --hl: #e6c935; --hl-ink: #241d00; --letter: #f07272;
  --good: #4ade80; --good-soft: #163524; --mid: #fbbf24; --mid-soft: #3a2c0e; --low: #f87171; --low-soft: #3d1a1b;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--font-body); font-size: 15px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.3; margin: 0; text-wrap: balance; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.05rem; }
p { margin: 0; }
a { color: inherit; }
code { font-size: .9em; background: var(--surface-2); padding: 1px 5px; border-radius: 4px; }
mark { background: linear-gradient(transparent 55%, var(--hl) 55%); color: inherit; padding: 0 2px; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.tnum, .tiles strong, .pill, .num-chip { font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-3); }
.small { font-size: .85rem; }
.nowrap { white-space: nowrap; }
.center { text-align: center; justify-content: center; }
.t-good { color: var(--good); } .t-mid { color: var(--mid); } .t-low { color: var(--low); }
.danger-text { color: var(--low) !important; }

/* ---------- أزرار وحقول ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 38px; padding: 0 16px; border-radius: 9px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  font: 500 .95rem var(--font-body); cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { border-color: var(--ink-3); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { background: var(--low); border-color: var(--low); color: #fff; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: var(--surface-2); }
.btn.sm { min-height: 30px; padding: 0 10px; font-size: .85rem; border-radius: 7px; }
.btn.lg { min-height: 46px; font-size: 1.02rem; }
.btn.block { width: 100%; }
.btn.dashed { border-style: dashed; background: transparent; color: var(--primary); min-height: 52px; margin-top: 12px; }
.btn.pulse { box-shadow: 0 0 0 3px color-mix(in srgb, var(--hl) 70%, transparent); }
.icon-btn { border: 0; background: transparent; color: var(--ink-2); width: 32px; height: 32px; border-radius: 7px; cursor: pointer; font-size: 1rem; }
.icon-btn:hover:not(:disabled) { background: var(--surface-2); color: var(--ink); }
.icon-btn:disabled { opacity: .3; cursor: default; }
.link { background: none; border: 0; padding: 0; color: var(--primary); text-decoration: none; cursor: pointer; font: inherit; }
.link:hover { text-decoration: underline; }
.link.strong { font-weight: 600; color: var(--ink); }
.link.back { font-size: .88rem; display: inline-block; margin-bottom: 4px; }

.input {
  width: 100%; min-height: 40px; padding: 8px 12px; border-radius: 9px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  font: 400 .95rem var(--font-body);
}
.input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.input:disabled { background: var(--surface-2); color: var(--ink-3); }
.input.sm { min-height: 32px; padding: 4px 8px; width: auto; font-size: .88rem; }
textarea.input { resize: vertical; line-height: 1.7; }
.mono, .mono-ar { font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace; font-size: .85rem; }
.mono-ar { font-family: var(--font-body); font-size: .92rem; white-space: pre-wrap; }
.input.search { max-width: 340px; }
.input-group { display: flex; gap: 8px; }
.form { display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field > span { font-size: .88rem; font-weight: 500; color: var(--ink-2); }
.field small { font-weight: 400; color: var(--ink-3); }
.field.check { flex-direction: row; align-items: center; gap: 8px; cursor: pointer; }
.field.check input { width: 18px; height: 18px; accent-color: var(--primary); }
.field.collapsed { display: none; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-err { color: var(--low); background: var(--low-soft); padding: 8px 12px; border-radius: 8px; font-size: .9rem; }
.hint { color: var(--ink-3); font-size: .85rem; margin-top: 6px; }

/* ---------- عناصر صغيرة ---------- */
.pill { display: inline-flex; align-items: center; padding: 1px 9px; border-radius: 999px; font-size: .8rem; font-weight: 600; background: var(--surface-2); color: var(--ink-2); white-space: nowrap; }
.pill.good { background: var(--good-soft); color: var(--good); }
.pill.mid { background: var(--mid-soft); color: var(--mid); }
.pill.low { background: var(--low-soft); color: var(--low); }
.pill.st-active { background: var(--good-soft); color: var(--good); }
.pill.st-pending { background: var(--mid-soft); color: var(--mid); }
.pill.st-disabled { background: var(--low-soft); color: var(--low); }
.pill.role-admin { background: var(--primary); color: var(--primary-ink); }
.pill.role-teacher { background: var(--primary-soft); color: var(--primary); }
.num-chip { display: inline-grid; place-items: center; min-width: 28px; height: 24px; padding: 0 6px; margin-inline-end: 8px; border-radius: 6px; background: var(--hl); color: var(--hl-ink); font-weight: 700; font-size: .82rem; }
.count { display: inline-grid; place-items: center; min-width: 26px; height: 22px; padding: 0 7px; border-radius: 999px; background: var(--surface-2); color: var(--ink-2); font: 600 .8rem var(--font-body); vertical-align: middle; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); border-radius: 999px; padding: 4px 13px; font: 500 .85rem var(--font-body); cursor: pointer; }
.chip.on { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.sec-tag { font-size: .78rem; font-weight: 600; color: var(--primary); background: var(--primary-soft); padding: 1px 8px; border-radius: 5px; }
.letter { display: inline-grid; place-items: center; flex: none; width: 28px; height: 28px; border-radius: 6px; border: 1.5px solid currentColor; color: var(--letter); font-weight: 700; font-size: .95rem; }
.toggle { border: 1px solid var(--line); background: var(--surface-2); color: var(--ink-3); border-radius: 999px; padding: 2px 12px; font: 600 .8rem var(--font-body); cursor: pointer; }
.toggle.on { background: var(--good-soft); color: var(--good); border-color: transparent; }

.loading { display: flex; align-items: center; justify-content: center; gap: 10px; color: var(--ink-3); padding: 60px 0; }
.loading.full { min-height: 100vh; }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--line); border-top-color: var(--primary); animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.empty { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; padding: 36px 16px; color: var(--ink-2); }
.empty strong { font-family: var(--font-display); font-size: 1.1rem; color: var(--ink); font-weight: 700; }
.empty p { max-width: 46ch; color: var(--ink-3); }
.empty .btn, .empty .head-actions { margin-top: 6px; }

/* ---------- الدخول ---------- */
.auth { min-height: 100vh; display: flex; flex-direction: column; }
.auth-banner { background: var(--surface); border-bottom: 4px solid var(--primary); }
.auth-banner img { display: block; width: 100%; max-width: 1600px; height: auto; margin: 0 auto; }
.auth-body { flex: 1; width: 100%; margin: 0 auto; display: flex; justify-content: center; align-items: flex-start; padding-block: 28px 48px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.auth-info { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.auth-info h1 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.45; color: var(--primary); }
.auth-info mark { background: linear-gradient(transparent 60%, color-mix(in srgb, var(--gold) 40%, transparent) 60%); color: inherit; }
.auth-points { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; color: var(--ink-2); font-size: .95rem; }
.auth-points b { color: var(--ink); }
.sample-q { background: #fff; color: #16211d; border: 1px solid #d9e1ec; border-radius: 12px; padding: 16px 18px; box-shadow: var(--shadow); max-width: 440px; }
.sq-label { font-size: .75rem; font-weight: 700; color: #b48a35; }
.sq-stem { font-weight: 700; color: #c62d2d; margin: 2px 0 10px; font-size: 1.05rem; }
.sq-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; font-size: .9rem; }
.sq-opts span { border: 1px solid #d9e1ec; border-radius: 6px; padding: 4px 8px; }
.sq-opts .hl { background: #fde56a; border-color: #e8cf4c; font-weight: 600; }
.auth-main { display: flex; justify-content: center; }
.auth-card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 28px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 18px; }
.auth-card.center { align-items: center; text-align: center; }
.auth-card.center .logo { width: 64px; height: 64px; }
.tabs { display: flex; background: var(--surface-2); border-radius: 10px; padding: 4px; }
.tab { flex: 1; border: 0; background: transparent; padding: 8px; border-radius: 7px; font: 700 .95rem var(--font-body); color: var(--ink-2); cursor: pointer; }
.tab.on { background: var(--surface); color: var(--primary); box-shadow: var(--shadow); }
.demo-box { border: 1px dashed var(--line); border-radius: 10px; padding: 12px; font-size: .88rem; display: flex; flex-direction: column; gap: 8px; background: var(--surface-2); }
.demo-accounts { display: flex; flex-wrap: wrap; gap: 6px; }
.blocked { min-height: 100vh; display: grid; place-items: center; padding-block: 24px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.blocked p { color: var(--ink-2); }
.pw-wrap { position: relative; display: block; }
.pw-wrap .input { padding-inline-end: 46px; }
.pw-toggle { position: absolute; top: 50%; inset-inline-end: 6px; transform: translateY(-50%); width: 34px; height: 34px; display: grid; place-items: center; border: 0; background: transparent; border-radius: 7px; color: var(--ink-3); cursor: pointer; }
.pw-wrap .input[dir="ltr"] ~ .pw-toggle { inset-inline-end: auto; left: 6px; }
.pw-wrap .input[dir="ltr"] { padding-inline-end: 12px; padding-left: 46px; }
.pw-toggle:hover { background: var(--surface-2); color: var(--primary); }
.pw-toggle svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.forgot-head { display: flex; flex-direction: column; gap: 6px; }
.forgot-head h2 { font-size: 1.25rem; color: var(--primary); }
.forgot-head p { color: var(--ink-2); font-size: .92rem; }
.sent-box { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; padding-block: 8px; }
.sent-box h2 { font-size: 1.25rem; color: var(--primary); }
.sent-box p { color: var(--ink-2); }
.sent-icon { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: var(--good-soft); color: var(--good); font-size: 1.6rem; font-weight: 800; }
.bell { position: relative; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; color: var(--ink-2); border: 1px solid var(--line); background: var(--surface); flex: none; }
.bell:hover { color: var(--primary); border-color: var(--primary); }
.bell.has { color: var(--primary); }
.bell svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.bell-count { position: absolute; top: -4px; inset-inline-end: -4px; min-width: 19px; height: 19px; padding: 0 5px; border-radius: 999px; background: var(--low); color: #fff; font-size: .72rem; font-weight: 700; display: grid; place-items: center; border: 2px solid var(--surface); }
.min0 { min-width: 0; }
.hero-banner { display: block; width: 100%; height: auto; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; }

/* ---------- الإطار ---------- */
.logo { width: 40px; height: 40px; flex: none; object-fit: contain; background: #fff; border-radius: 10px; padding: 2px; }
.brand-line { display: inline-flex; align-items: center; gap: 10px; font: 700 1.08rem var(--font-display); text-decoration: none; color: var(--ink); white-space: nowrap; }
.demo-strip { background: var(--hl); color: var(--hl-ink); text-align: center; font-size: .82rem; font-weight: 600; padding: 4px 16px; }
.topbar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: var(--surface); border-bottom: 1px solid var(--line); }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 30; background: var(--surface); }
.topbar-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 28px; min-height: 64px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.nav { display: flex; gap: 6px; flex: 1; min-width: 0; align-self: stretch; overflow-x: auto; scrollbar-width: none; }
.nav a { display: flex; align-items: center; text-decoration: none; color: var(--ink-2); padding: 0 14px; font-weight: 600; font-size: .95rem; white-space: nowrap; border-bottom: 3px solid transparent; border-top: 3px solid transparent; transition: color .15s, border-color .15s; }
.nav a:hover { color: var(--primary); }
.nav a.on { color: var(--primary); border-bottom-color: var(--gold); }
.profile { position: relative; }
.profile-btn { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 999px; padding: 4px 6px 4px 12px; font: 600 .9rem var(--font-body); cursor: pointer; }
.profile-btn:hover, .profile-btn[aria-expanded="true"] { border-color: var(--primary); }
.caret { width: 12px; height: 12px; fill: none; stroke: var(--ink-3); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.profile-menu { position: absolute; top: calc(100% + 8px); inset-inline-end: 0; min-width: 240px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 16px 40px rgba(20, 32, 51, .16); padding: 6px; z-index: 40; display: flex; flex-direction: column; }
.pm-head { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 10px 12px 12px; border-bottom: 1px solid var(--line); margin-bottom: 4px; }
.pm-head span[dir] { color: var(--ink-3); font-size: .82rem; }
.pm-head .pill { margin-top: 6px; }
.profile-menu a, .profile-menu button { text-align: start; text-decoration: none; color: var(--ink); background: none; border: 0; padding: 9px 12px; border-radius: 8px; font: 500 .92rem var(--font-body); cursor: pointer; }
.profile-menu a:hover, .profile-menu button:hover { background: var(--surface-2); }
.profile-menu .pm-out { color: var(--low); }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: var(--primary-ink); display: grid; place-items: center; font-weight: 700; }
.user-name { font-size: .9rem; font-weight: 500; max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.page { max-width: 1240px; margin: 0 auto; padding-block: 28px 64px; padding-left: max(24px, env(safe-area-inset-left, 0px)); padding-right: max(24px, env(safe-area-inset-right, 0px)); display: flex; flex-direction: column; gap: 20px; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.page-head > div:first-child { min-width: 0; text-align: start; }
.page-head .sub { color: var(--ink-2); font-size: .9rem; margin-top: 4px; }
.sticky-head { position: sticky; top: calc(62px + env(safe-area-inset-top, 0px)); z-index: 10; background: var(--bg); padding-block: 10px; margin-block: -10px; }
.eyebrow { font-size: .8rem; font-weight: 700; color: var(--gold); letter-spacing: .02em; margin-bottom: 2px; }
.head-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.mini-stats { display: flex; gap: 18px; color: var(--ink-2); font-size: .9rem; }
.mini-stats b { color: var(--ink); font-size: 1.15rem; margin-inline-end: 4px; }
.toolbar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.toolbar .input:not(.search) { width: auto; }
.toolbar.split { justify-content: space-between; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; }
.toolbar.split .input.search { flex: 1; max-width: 420px; background: var(--surface-2); border-color: transparent; }
.toolbar.split .input.search:focus { background: var(--surface); border-color: var(--primary); }

/* بطاقات الإحصائيات للطالب */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.metric { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; display: flex; flex-direction: column; gap: 4px; }
.metric-label { font-size: .82rem; color: var(--ink-2); font-weight: 500; }
.metric strong { font: 800 1.6rem var(--font-display); line-height: 1.25; font-variant-numeric: tabular-nums; }
.metric strong small { font: 600 .9rem var(--font-body); color: var(--ink-3); }
.metric-bar { height: 6px; border-radius: 999px; background: var(--surface-2); overflow: hidden; margin-top: 4px; }
.metric-bar span { display: block; height: 100%; background: var(--gold); border-radius: 999px; }

/* شريط الهوية */
.brand-hero { position: relative; display: flex; align-items: stretch; justify-content: space-between; height: 190px; border-radius: 16px; overflow: hidden; color: #fff;
  background: radial-gradient(120% 140% at 100% 0%, #1f5fae 0%, #154688 45%, #0f3466 100%); box-shadow: 0 10px 30px rgba(15, 52, 102, .18); }
.brand-hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 5px; background: linear-gradient(90deg, #b48a35, #e2c27a, #b48a35); }
.bh-text { display: flex; align-items: center; gap: 22px; padding: 22px 28px; min-width: 0; z-index: 1; }
.bh-logo { width: 88px; height: 88px; flex: none; background: #fff; border-radius: 22px; padding: 8px; box-shadow: 0 6px 18px rgba(0,0,0,.18); }
.bh-copy { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.bh-copy h2 { font: 800 clamp(1.35rem, 2.4vw, 1.9rem) var(--font-display); color: #fff; line-height: 1.35; }
.bh-copy h2 span { color: #e2c27a; }
.bh-name { font: 700 1.05rem var(--font-display); color: #fff; opacity: .95; }
.bh-tag { color: #e2c27a; font-weight: 600; font-size: .95rem; }
.bh-social { display: flex; align-items: center; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.bh-social a { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.14); transition: background .15s; }
.bh-social a:hover { background: #e2c27a; }
.bh-social svg { width: 17px; height: 17px; fill: #fff; }
.bh-social a:hover svg { fill: #0f3466; }
.bh-social span { font-size: .88rem; font-weight: 600; color: rgba(255,255,255,.9); margin-inline-start: 4px; }
.bh-photo { width: 280px; height: 100%; flex: none; object-fit: cover; object-position: 50% 12%; -webkit-mask-image: linear-gradient(to right, #000 55%, transparent); mask-image: linear-gradient(to right, #000 55%, transparent); }
.auth-top { width: 100%; max-width: 1240px; margin: 0 auto; padding-top: 24px; padding-left: max(24px, env(safe-area-inset-left, 0px)); padding-right: max(24px, env(safe-area-inset-right, 0px)); }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; min-width: 0; }
.panel.flush { padding: 0; overflow: hidden; }
.panel.narrow { max-width: 640px; }
.panel.notice { border-color: color-mix(in srgb, var(--hl) 70%, var(--line)); background: color-mix(in srgb, var(--hl) 10%, var(--surface)); }
.panel-title { font-size: 1rem; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.panel-head .panel-title { margin-bottom: 0; }
.panel-head.between { margin-bottom: 0; }
.h2 { display: flex; align-items: center; gap: 8px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-2.align-start { align-items: start; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; display: flex; flex-direction: column; gap: 2px; }
.tile-label { font-size: .82rem; color: var(--ink-2); }
.tile strong { font: 700 1.7rem var(--font-display); line-height: 1.3; }
.tile strong.tile-small { font-size: 1.05rem; padding-top: 8px; }
.tile small { color: var(--ink-3); font-size: .8rem; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th { text-align: start; font-weight: 600; font-size: .8rem; color: var(--ink-3); padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--surface-2); white-space: nowrap; }
.panel:not(.flush) .table th { background: transparent; }
.table td { padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table.compact td { padding: 8px 10px; }
.table tr.click { cursor: pointer; }
.table tr.click:hover td { background: var(--surface-2); }
.table tr.row-err td { background: var(--low-soft); }
.table th.sortable { cursor: pointer; user-select: none; }
.table th[data-dir="asc"]::after { content: " ▲"; font-size: .7em; }
.table th[data-dir="desc"]::after { content: " ▼"; font-size: .7em; }
.row-actions { display: flex; gap: 4px; flex-wrap: wrap; }
.rows { list-style: none; margin: 0; padding: 0; }
.row-item { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.row-item:last-child { border-bottom: 0; }

/* أشرطة الأقسام */
.bars { display: flex; flex-direction: column; gap: 12px; }
.bar-row { display: grid; grid-template-columns: 120px 1fr 104px; gap: 10px; align-items: center; font-size: .9rem; }
.bar-label { font-weight: 500; }
.bar-track { height: 10px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.bar-fill { display: block; height: 100%; border-radius: 999px; }
.bar-fill.good { background: var(--good); } .bar-fill.mid { background: var(--mid); } .bar-fill.low { background: var(--low); }
.bar-val { font-variant-numeric: tabular-nums; font-weight: 600; }
.bar-val small { color: var(--ink-3); font-weight: 400; }

/* تطور الدرجات */
.trend { display: flex; align-items: flex-end; gap: 6px; height: 170px; padding: 18px 4px 0; border-bottom: 1px solid var(--line); background: repeating-linear-gradient(to top, transparent 0 33px, var(--surface-2) 33px 34px); }
.trend-col { flex: 1; max-width: 46px; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 3px; text-decoration: none; }
.trend-bar { width: 100%; border-radius: 5px 5px 0 0; min-height: 3px; }
.trend-bar.good { background: var(--good); } .trend-bar.mid { background: var(--mid); } .trend-bar.low { background: var(--low); }
.trend-col:hover .trend-bar { filter: brightness(1.15); }
.trend-val { font-size: .72rem; color: var(--ink-2); font-variant-numeric: tabular-nums; }

/* الأسئلة في المراجعة */
.wrong-list { display: flex; flex-direction: column; gap: 12px; }
.wq { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; display: flex; flex-direction: column; gap: 8px; }
.wq.bad { border-inline-start: 3px solid var(--low); }
.wq.ok { border-inline-start: 3px solid var(--good); }
.wq-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: .82rem; color: var(--ink-3); }
.wq-text { font-weight: 600; font-size: 1.02rem; }
.opt-review { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.opt-review li { display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font-size: .93rem; min-width: 0; }
.opt-review li span { flex: 1; min-width: 0; }
.opt-review li em { font-style: normal; font-size: .75rem; font-weight: 600; color: var(--ink-2); }
.opt-review li.is-correct { background: var(--hl); color: var(--hl-ink); border-color: transparent; font-weight: 600; }
.opt-review li.is-correct em { color: var(--hl-ink); }
.opt-review li.is-wrong { background: var(--low-soft); border-color: var(--low); }
.opt-review li.is-wrong em { color: var(--low); }
.explain { font-size: .9rem; color: var(--ink-2); background: var(--surface-2); padding: 8px 12px; border-radius: 8px; }
.passage { margin: 0; padding: 14px 16px; background: var(--surface-2); border-inline-start: 4px solid var(--primary); border-radius: 8px; font-size: 1.02rem; line-height: 1.9; }
.passage.small { font-size: .9rem; padding: 8px 12px; }

/* ---------- قائمة الاختبارات للطالب ---------- */
.test-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.test-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; gap: 6px; transition: border-color .15s, box-shadow .15s; }
.test-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.test-card h3 { font-size: 1.08rem; }
.tc-top { display: flex; align-items: center; gap: 8px; justify-content: space-between; min-height: 30px; }
.tc-num { font: 800 1.25rem var(--font-display); color: var(--gold); }
.tc-best { font-size: .78rem; color: var(--ink-3); display: flex; gap: 6px; align-items: center; margin-inline-start: auto; }
.tc-meta { color: var(--ink-3); font-size: .85rem; margin-bottom: 8px; }
.test-card .btn { margin-top: auto; }

/* ---------- صفحة حل الاختبار ---------- */
.take { display: flex; flex-direction: column; gap: 18px; }
.take-head { position: sticky; top: calc(62px + env(safe-area-inset-top, 0px)); z-index: 10; background: var(--bg); padding-block: 8px 0; display: grid; grid-template-columns: 1fr auto; gap: 8px 16px; align-items: end; }
.take-head h1 { font-size: 1.35rem; }
.take-status { display: flex; gap: 12px; align-items: center; font-size: .9rem; color: var(--ink-2); }
.timer { font-variant-numeric: tabular-nums; font-weight: 700; background: var(--surface); border: 1px solid var(--line); padding: 3px 12px; border-radius: 999px; color: var(--ink); }
.timer.warn { background: var(--low-soft); color: var(--low); border-color: var(--low); }
.progress { grid-column: 1 / -1; height: 4px; background: var(--line); border-radius: 999px; overflow: hidden; }
.progress span { display: block; height: 100%; width: 0; background: var(--primary); transition: width .25s; }
.take-body { display: grid; grid-template-columns: 1fr 250px; gap: 20px; align-items: start; }
.q-area { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 26px; display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.q-section { font-size: .82rem; font-weight: 600; color: var(--primary); }
.q-text { font-family: var(--font-body); font-size: 1.3rem; font-weight: 700; line-height: 1.7; display: flex; gap: 12px; align-items: baseline; }
.q-n { display: inline-grid; place-items: center; flex: none; min-width: 32px; height: 32px; padding: 0 6px; border-radius: 8px; background: var(--primary); color: var(--primary-ink); font-size: .9rem; font-variant-numeric: tabular-nums; }
.options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.option { display: flex; align-items: center; gap: 12px; text-align: start; border: 1.5px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 10px; padding: 12px 14px; font: 500 1.05rem var(--font-body); cursor: pointer; min-height: 56px; transition: border-color .12s, background .12s; }
.option:hover { border-color: var(--primary); }
.option.picked { border-color: var(--primary); background: var(--primary-soft); }
.option.picked .letter { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.q-actions { display: flex; justify-content: space-between; gap: 10px; padding-top: 6px; }
.q-nav { position: sticky; top: calc(150px + env(safe-area-inset-top, 0px)); background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.q-nav-title { font-size: .85rem; font-weight: 600; color: var(--ink-2); }
.q-dots { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.dot { aspect-ratio: 1; max-width: 100%; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); border-radius: 8px; font: 600 .82rem var(--font-body); cursor: pointer; font-variant-numeric: tabular-nums; }
.dot.answered { background: var(--primary-soft); color: var(--primary); border-color: transparent; }
.dot.current { outline: 2px solid var(--gold); outline-offset: 1px; }

/* النتيجة */
.result-hero { display: grid; grid-template-columns: auto auto 1fr; gap: 32px; align-items: center; }
.ring { width: 150px; height: 150px; }
.ring-bg { fill: none; stroke: var(--surface-2); stroke-width: 12; }
.ring-fg { fill: none; stroke-width: 12; stroke-linecap: round; }
.ring-fg.good { stroke: var(--good); } .ring-fg.mid { stroke: var(--mid); } .ring-fg.low { stroke: var(--low); }
.ring-text { fill: var(--ink); font: 700 26px var(--font-display); }
.result-counts { display: flex; flex-direction: column; gap: 6px; font-size: .95rem; }
.result-counts b { font-size: 1.2rem; margin-inline: 4px; font-variant-numeric: tabular-nums; }
.dot-legend { display: inline-block; width: 10px; height: 10px; border-radius: 3px; }
.dot-legend.ok { background: var(--good); } .dot-legend.bad { background: var(--low); } .dot-legend.skip { background: var(--ink-3); }
.result-sections { min-width: 0; }

/* ---------- محرر الاختبار ---------- */
.meta-grid { display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: 12px; align-items: end; margin-bottom: 12px; }
.q-list { display: flex; flex-direction: column; gap: 12px; }
.q-edit { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.q-edit-head { display: flex; align-items: center; gap: 10px; }
.q-tools { margin-inline-start: auto; display: flex; gap: 2px; }
.opt-edit { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.opt-row { display: flex; align-items: center; gap: 8px; padding: 4px 8px; border-radius: 9px; border: 1px solid transparent; }
.opt-row input[type=radio] { width: 18px; height: 18px; accent-color: var(--primary); flex: none; cursor: pointer; }
.opt-row.is-correct { background: color-mix(in srgb, var(--hl) 45%, transparent); border-color: var(--hl); }
.opt-row .input { min-height: 36px; }

/* الاستيراد */
.drop { display: grid; place-items: center; border: 2px dashed var(--line); border-radius: 12px; padding: 34px 16px; text-align: center; cursor: pointer; color: var(--ink-2); margin-top: 12px; }
.drop:hover, .drop.over { border-color: var(--primary); background: var(--primary-soft); }
.drop input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.drop b { color: var(--primary); }
#imp-text { margin: 12px 0; }
.format-help { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; }
.modal .format-help { margin-bottom: 12px; }
.format-help summary { cursor: pointer; font-weight: 600; color: var(--primary); }
.format-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; margin-top: 12px; }
.format-grid pre { margin: 0; background: var(--surface-2); border-radius: 8px; padding: 12px; line-height: 1.7; overflow-x: auto; }
.format-rules { margin: 0; padding-inline-start: 18px; display: flex; flex-direction: column; gap: 6px; font-size: .92rem; color: var(--ink-2); }

/* المستخدمين */
.roles-help { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.roles-help > div { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; font-size: .88rem; color: var(--ink-2); }
.roles-help b { display: block; color: var(--ink); font-family: var(--font-display); font-weight: 700; }
.cred { background: var(--surface-2); border-radius: 8px; padding: 12px; font-family: ui-monospace, Consolas, monospace; margin-top: 10px; text-align: left; }

/* المفاتيح */
.switch { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; }
.switch input { position: absolute; opacity: 0; }
.switch-ui { flex: none; width: 42px; height: 24px; border-radius: 999px; background: var(--line); position: relative; transition: background .15s; margin-top: 2px; }
.switch-ui::after { content: ""; position: absolute; top: 3px; inset-inline-start: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: inset-inline-start .15s; box-shadow: 0 1px 2px rgba(0,0,0,.2); }
.switch input:checked + .switch-ui { background: var(--primary); }
.switch input:checked + .switch-ui::after { inset-inline-start: 21px; }
.switch input:focus-visible + .switch-ui { outline: 2px solid var(--primary); outline-offset: 2px; }
.switch b { display: block; font-weight: 600; }
.switch small { color: var(--ink-3); font-size: .85rem; }

/* النوافذ والتنبيهات */
.modal-wrap { position: fixed; inset: 0; z-index: 100; background: rgba(10, 20, 16, .45); display: grid; place-items: center; padding-block: 16px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.modal { width: 100%; max-width: 520px; max-height: calc(100vh - 32px); overflow: auto; background: var(--surface); border-radius: 16px; box-shadow: 0 30px 60px rgba(0,0,0,.25); display: flex; flex-direction: column; }
.modal.wide { max-width: 860px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.modal-body { padding: 18px 20px; display: flex; flex-direction: column; gap: 10px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 20px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.toast { position: fixed; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); left: 50%; transform: translateX(-50%); z-index: 200; background: var(--primary); color: var(--primary-ink); padding: 10px 18px; border-radius: 10px; font-weight: 500; box-shadow: var(--shadow); max-width: calc(100vw - 32px); }
.toast.err { background: var(--low); color: #fff; }
.toast.warn { background: var(--hl); color: var(--hl-ink); }

/* ---------- الجوال ---------- */
@media (max-width: 960px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .bh-photo { width: 200px; }
  .grid-2, .take-body, .result-hero { grid-template-columns: 1fr; }
  .result-hero { justify-items: center; text-align: center; }
  .result-sections { width: 100%; text-align: start; }
  .q-nav { position: static; }
  .q-dots { grid-template-columns: repeat(auto-fill, minmax(38px, 1fr)); }
  .meta-grid { grid-template-columns: 1fr 1fr; }
  .meta-grid .grow { grid-column: 1 / -1; }
  .roles-help { grid-template-columns: 1fr; }
  .format-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .auth-body { grid-template-columns: 1fr; gap: 20px; padding-block: 20px 40px; }
  .auth-main { order: -1; }
  .page, .auth-top, .auth-body { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
  .auth-top { padding-top: 16px; }
  .brand-hero { height: 150px; }
  .bh-copy h2 { font-size: 1.1rem; }
  .bh-name { font-size: .9rem; }
  .bh-text { padding: 16px; gap: 12px; }
  .bh-logo { width: 56px; height: 56px; border-radius: 14px; padding: 5px; }
  .bh-photo { width: 110px; }
  .bh-tag, .bh-social span { display: none; }
  .bh-social a { width: 28px; height: 28px; }
  .metric strong { font-size: 1.3rem; }
  .toolbar.split .input.search { max-width: none; flex-basis: 100%; }
  .nav a { padding: 8px 10px; border-top: 0; }
  .profile-btn { padding: 3px; }
  .caret { display: none; }
  .sample-q { display: none; }
  .hero-banner { border-radius: 10px; }
  .topbar-inner { flex-wrap: wrap; gap: 6px 12px; padding-block: 8px; }
  .nav { order: 3; flex-basis: 100%; }
  .bell { margin-inline-start: auto; width: 36px; height: 36px; }
  .bell ~ .profile { margin-inline-start: 0; }
  .profile { margin-inline-start: auto; }
  .user-name { display: none; }
  .sticky-head, .take-head { top: calc(104px + env(safe-area-inset-top, 0px)); }
  .options, .opt-review, .opt-edit, .field-row { grid-template-columns: 1fr; }
  .q-area { padding: 18px; }
  .q-text { font-size: 1.12rem; }
  h1 { font-size: 1.4rem; }
  .bar-row { grid-template-columns: 96px 1fr 84px; font-size: .84rem; }
  .take-head { grid-template-columns: 1fr; }
  .input.search { max-width: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }