/* =========================================================
   Education Platform — main.css  (RTL, px units)
   ========================================================= */
:root {
  --brand: #111111;
  --brand-soft: #E6E6E6;
  --ink: #111111;
  --ink-2: #4a4a4a;
  --muted: #8a8a8a;
  --line: #D6D6D6;
  --bg: #F2F2F2;
  --card: #ffffff;
  --good: #0C2D4A;
  --mid: #1F4E79;
  --low: #c4372f;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.05);
  --font: "IBM Plex Sans Arabic", system-ui, sans-serif;
  --font-cta: "Times New Roman", Times, serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); font-size: 15px; line-height: 1.7; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; line-height: 1.3; font-weight: 700; }
p { margin: 0; }
[data-lucide] { width: 18px; height: 18px; stroke-width: 1.75; flex-shrink: 0; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.empty { color: var(--muted); padding: 16px 0; text-align: center; list-style: none; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 600; color: var(--ink-2); letter-spacing: .3px; margin-bottom: 12px; padding: 4px 12px; border: 1px solid var(--line); border-radius: 999px; background: #fff; }
.eyebrow--light { color: #fff; border-color: rgba(255,255,255,.3); background: transparent; }

/* ---------- CTA: transparent, black border, Times New Roman, uppercase, curtain hover ---------- */
.btn-curtain {
  position: relative; overflow: hidden; isolation: isolate;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 26px; border: 1px solid var(--ink); background: transparent; color: var(--ink);
  font-family: var(--font-cta), var(--font); font-size: 15px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
  cursor: pointer; transition: color .45s ease; white-space: nowrap;
}
.btn-curtain::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: var(--ink);
  transform: scaleY(0); transform-origin: top; transition: transform .45s cubic-bezier(.7,0,.2,1);
}
.btn-curtain:hover { color: #fff; }
.btn-curtain:hover::before { transform: scaleY(1); }
.btn-curtain--sm { padding: 7px 16px; font-size: 13px; }
.btn-curtain--lg { padding: 14px 34px; font-size: 16px; }
.btn-curtain--block { width: 100%; padding: 14px; }
.btn-curtain--light { border-color: #fff; color: #fff; }
.btn-curtain--light::before { background: #fff; }
.btn-curtain--light:hover { color: var(--ink); }
.btn-curtain [data-lucide] { width: 16px; height: 16px; }

.link-plain { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--ink); }
.link-plain:hover { text-decoration: underline; text-underline-offset: 4px; }
.link-small { font-size: 13px; color: var(--ink-2); font-weight: 500; }
.link-small:hover { color: var(--ink); text-decoration: underline; }

.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px; background: var(--brand); color: #fff; font-weight: 700; font-size: 17px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; }
.logo img { height: 38px; width: auto; }

/* ---------- Landing ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(242,242,242,.85); backdrop-filter: blur(12px); border-bottom: 1px solid transparent; transition: border-color .3s; }
.site-header.is-scrolled { border-color: var(--line); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.site-nav { display: flex; gap: 32px; font-weight: 500; color: var(--ink-2); }
.site-nav a:hover { color: var(--ink); }
.site-header__cta { display: flex; align-items: center; gap: 20px; }

.hero { padding: 72px 0 96px; }
.hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
.hero__text h1 { font-size: 52px; letter-spacing: -.5px; margin-bottom: 20px; }
.hero__text > p { font-size: 18px; color: var(--ink-2); max-width: 520px; margin-bottom: 32px; }
.hero__actions { display: flex; align-items: center; gap: 24px; margin-bottom: 48px; }
.hero__stats { display: flex; gap: 40px; list-style: none; padding: 0; margin: 0; }
.hero__stats strong { display: block; font-size: 28px; }
.hero__stats span { color: var(--muted); font-size: 14px; }
.hero__media { position: relative; }
.hero__media img, .hero__placeholder { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: 24px; }
.hero__placeholder { display: grid; place-items: center; background: var(--brand-soft); }
.hero__placeholder [data-lucide] { width: 96px; height: 96px; color: var(--ink-2); }
.float-card { position: absolute; display: flex; align-items: center; gap: 12px; padding: 14px 18px; background: #fff; border-radius: 14px; box-shadow: var(--shadow); }
.float-card strong { display: block; font-size: 14px; }
.float-card small { color: var(--muted); font-size: 12px; }
.float-card [data-lucide] { color: var(--good); width: 24px; height: 24px; }
.float-card--top { top: 40px; right: -32px; }
.float-card--bottom { bottom: 48px; left: -32px; }

.section { padding: 96px 0; }
.section--soft { background: var(--brand-soft); }
.section__head { text-align: center; margin-bottom: 48px; }
.section__head h2 { font-size: 36px; }

.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.course-grid--compact { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.course-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .25s, box-shadow .25s; }
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.course-card__cover { position: relative; aspect-ratio: 16/10; background: var(--brand-soft); display: grid; place-items: center; }
.course-card__cover img { width: 100%; height: 100%; object-fit: cover; }
.course-card__cover [data-lucide] { width: 40px; height: 40px; color: var(--ink-2); }
.badge { position: absolute; top: 12px; right: 12px; padding: 2px 10px; font-size: 12px; font-weight: 600; border-radius: 999px; background: #fff; }
.course-card__body { padding: 20px; }
.course-card__body h3 { font-size: 17px; margin-bottom: 6px; }
.course-card__body > p { color: var(--ink-2); font-size: 14px; margin-bottom: 14px; }
.course-card__meta { display: flex; gap: 16px; color: var(--muted); font-size: 13px; margin-bottom: 16px; }
.course-card__meta span { display: inline-flex; align-items: center; gap: 6px; }
.course-card__meta [data-lucide] { width: 15px; height: 15px; }
.course-card__foot { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--line); }
.price { font-size: 18px; }

.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature { background: #fff; padding: 28px; border-radius: var(--radius); }
.feature [data-lucide] { width: 28px; height: 28px; margin-bottom: 16px; }
.feature h3 { font-size: 17px; margin-bottom: 8px; }
.feature p { color: var(--ink-2); font-size: 14px; }

.about { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.about h2 { font-size: 32px; margin-bottom: 16px; }
.about p { color: var(--ink-2); }
.about__cta { padding: 40px; border: 1px solid var(--ink); border-radius: var(--radius); }
.about__cta h3 { font-size: 24px; margin-bottom: 8px; }
.about__cta p { margin-bottom: 24px; }

.site-footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: 14px; }
.site-footer__inner { display: flex; justify-content: space-between; align-items: center; }
.socials { display: flex; gap: 16px; }
.socials a:hover { color: var(--ink); }

/* ---------- Auth ---------- */
.auth-layout { display: grid; grid-template-columns: 1fr 1fr; min-height: 100vh; }
.auth-panel { display: flex; flex-direction: column; padding: 32px 48px; background: #fff; }
.auth-form-wrap { width: 100%; max-width: 400px; margin: auto; padding: 40px 0; }
.auth-form-wrap--wide { max-width: 520px; }
.auth-form-wrap h1 { font-size: 30px; margin-bottom: 6px; }
.auth-form-wrap > .muted { margin-bottom: 32px; }
.auth-switch { text-align: center; margin-top: 24px; color: var(--ink-2); font-size: 14px; }
.auth-switch a { font-weight: 700; color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.auth-visual { background: var(--brand); color: #fff; display: flex; align-items: center; padding: 64px; position: relative; overflow: hidden; }
.auth-visual::after { content: ""; position: absolute; width: 520px; height: 520px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; bottom: -200px; left: -160px; }
.auth-visual__inner { position: relative; z-index: 1; max-width: 440px; }
.auth-visual h2 { font-size: 36px; margin-bottom: 32px; }
.auth-visual ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.auth-visual li { display: flex; align-items: center; gap: 12px; font-size: 16px; color: rgba(255,255,255,.88); }
.auth-visual li [data-lucide] { width: 22px; height: 22px; padding: 3px; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 18px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; }
.field__row { display: flex; justify-content: space-between; align-items: center; }
.field label, .label-inline { font-size: 14px; font-weight: 600; }
.field input, .field select {
  width: 100%; height: 48px; padding: 0 14px; font: inherit; font-size: 15px; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); outline: none; transition: border-color .2s, box-shadow .2s, background .2s;
}
.field input:focus, .field select:focus { border-color: var(--ink); background: #fff; box-shadow: 0 0 0 4px rgba(17,17,17,.06); }
.field input[type="tel"] { direction: ltr; text-align: right; }
.input-icon { position: relative; }
.input-icon > [data-lucide] { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.input-icon input { padding-right: 44px; padding-left: 44px; }
.input-toggle { position: absolute; left: 8px; top: 50%; transform: translateY(-50%); background: none; border: 0; padding: 6px; color: var(--muted); cursor: pointer; }
.input-toggle:hover { color: var(--ink); }
.error { color: var(--low); font-size: 13px; }
.alert { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 14px; }
.alert--error { background: #fdecea; color: var(--low); }
.check { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-2); cursor: pointer; }
.check input { width: 18px; height: 18px; accent-color: var(--ink); }
.segmented { display: grid; grid-template-columns: 1fr 1fr; padding: 4px; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.segmented label { cursor: pointer; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span { display: block; text-align: center; padding: 9px; border-radius: 7px; font-size: 14px; font-weight: 500; color: var(--ink-2); transition: all .2s; }
.segmented input:checked + span { background: #fff; color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,.08); font-weight: 700; }

/* ---------- Dashboard layout ---------- */
.dash-layout { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; background: #fff; border-left: 1px solid var(--line); padding: 20px 14px; overflow-y: auto; }
.sidebar__brand { display: flex; align-items: center; gap: 12px; padding: 4px 8px 20px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.sidebar__brand img { height: 38px; width: 38px; object-fit: contain; }
.sidebar__brand strong { display: block; font-size: 15px; line-height: 1.3; }
.sidebar__brand small { color: var(--muted); font-size: 12px; }
.sidebar__nav { display: grid; gap: 2px; flex: 1; align-content: start; }
.nav-group { font-size: 11px; font-weight: 700; color: var(--muted); padding: 16px 12px 6px; letter-spacing: .5px; }
.nav-link { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: var(--radius-sm); color: var(--ink-2); font-weight: 500; font-size: 14px; transition: background .2s, color .2s; }
.nav-link:hover { background: var(--bg); color: var(--ink); }
.nav-link.is-active { background: var(--ink); color: #fff; }
.sidebar__footer { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 12px; }
.sidebar-backdrop { display: none; }

.dash-main { min-width: 0; }
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 16px; padding: 18px 32px; background: rgba(242,242,242,.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.topbar__title { flex: 1; min-width: 0; }
.topbar__title h1 { font-size: 22px; }
.topbar__title p { color: var(--muted); font-size: 13px; }
.topbar__actions { display: flex; align-items: center; gap: 10px; }
.topbar .topbar__menu { display: none; }
.icon-btn { position: relative; width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; cursor: pointer; color: var(--ink-2); }
.icon-btn:hover { color: var(--ink); border-color: var(--ink); }
.icon-btn .dot { position: absolute; top: 8px; left: 9px; width: 8px; height: 8px; border-radius: 50%; background: var(--low); border: 2px solid #fff; }
.avatar { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: var(--brand-soft); font-weight: 700; }
.avatar--sm { width: 30px; height: 30px; font-size: 13px; }

.dash-content { padding: 28px 32px 48px; display: grid; gap: 24px; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat { display: flex; align-items: center; gap: 14px; padding: 20px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.stat > [data-lucide] { width: 44px; height: 44px; padding: 11px; border-radius: 12px; background: var(--brand-soft); color: var(--ink); }
.stat strong { display: block; font-size: 22px; line-height: 1.2; }
.stat span { color: var(--muted); font-size: 13px; }

.dash-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; min-width: 0; }
.card--span { grid-column: 1 / -1; }
.card__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.card__head h2 { font-size: 17px; }

.list { list-style: none; padding: 0; margin: 0; display: grid; }
.list__item { display: flex; align-items: center; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.list__item:last-child { border-bottom: 0; }
.list__icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px; background: var(--bg); flex-shrink: 0; }
.list__body { flex: 1; min-width: 0; }
.list__body strong { display: block; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list__body small { color: var(--muted); font-size: 12px; }

.score { display: inline-grid; place-items: center; min-width: 52px; padding: 4px 10px; border-radius: 8px; font-weight: 700; font-size: 13px; direction: ltr; }
.score--good { background: #E2E9F0; color: var(--good); }
.score--mid { background: #E2E9F0; color: var(--mid); }
.score--low { background: #fdecea; color: var(--low); }
.pill { padding: 2px 10px; border: 1px solid var(--line); border-radius: 999px; font-size: 13px; font-weight: 600; direction: ltr; }

.progress { height: 6px; background: var(--bg); border-radius: 999px; overflow: hidden; margin: 10px 0 6px; }
.progress span { display: block; height: 100%; background: var(--ink); border-radius: 999px; }

.resume { display: flex; align-items: center; gap: 20px; }
.resume__cover { width: 180px; aspect-ratio: 16/10; border-radius: var(--radius-sm); background: var(--brand-soft); display: grid; place-items: center; overflow: hidden; flex-shrink: 0; }
.resume__cover img { width: 100%; height: 100%; object-fit: cover; }
.resume__cover [data-lucide] { width: 36px; height: 36px; }
.resume__info { flex: 1; min-width: 0; }
.resume__info small { color: var(--muted); font-size: 13px; }
.resume__info h3 { font-size: 18px; }

.code-banner { display: flex; align-items: center; gap: 24px; padding: 20px 24px; border-radius: var(--radius); background: var(--ink); color: #fff; }
.code-banner > div { flex: 1; }
.code-banner small { opacity: .7; font-size: 13px; }
.code-banner .code { display: block; font-family: ui-monospace, monospace; font-size: 28px; letter-spacing: 4px; direction: ltr; text-align: right; }
.code-banner__qr { width: 64px; height: 64px; background: #fff; padding: 4px; border-radius: 8px; }

.plan-strip { display: flex; align-items: center; gap: 40px; padding: 18px 24px; border: 1px solid var(--ink); border-radius: var(--radius); background: #fff; }
.plan-strip small { display: block; color: var(--muted); font-size: 12px; }
.plan-strip strong { font-size: 15px; }
.plan-strip .btn-curtain { margin-right: auto; border-color: var(--ink); color: var(--ink); }
.plan-strip .btn-curtain::before { background: var(--ink); }
.plan-strip .btn-curtain:hover { color: #fff; }

.quick-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.qa { display: flex; align-items: center; gap: 10px; padding: 16px 18px; background: #fff; border: 1px dashed var(--line); border-radius: var(--radius); font-weight: 600; font-size: 14px; transition: border-color .2s, transform .2s; }
.qa:hover { border-color: var(--ink); border-style: solid; transform: translateY(-2px); }
.qa--accent { background: var(--ink); color: #fff; border: 1px solid var(--ink); }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: right; font-weight: 600; color: var(--muted); font-size: 12px; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table td { padding: 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--bg); }
.cell-user { display: flex; align-items: center; gap: 10px; font-weight: 600; }

.toasts { position: fixed; top: 20px; left: 20px; z-index: 100; display: grid; gap: 8px; }
.toast { padding: 12px 18px; border-radius: var(--radius-sm); background: var(--ink); color: #fff; font-size: 14px; box-shadow: var(--shadow); animation: toastIn .3s ease; }
.toast--error { background: var(--low); }
.toast--success { background: var(--good); }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .hero__grid, .about { grid-template-columns: 1fr; }
  .hero__media { max-width: 420px; margin: 0 auto; }
  .float-card--top { right: -8px; } .float-card--bottom { left: -8px; }
  .site-nav { display: none; }
  .auth-layout { grid-template-columns: 1fr; }
  .auth-visual { display: none; }
  .dash-layout { grid-template-columns: 1fr; }
  .sidebar { position: fixed; top: 0; right: 0; width: 280px; z-index: 60; transform: translateX(100%); transition: transform .3s ease; }
  .sidebar.is-open { transform: translateX(0); }
  .sidebar-backdrop.is-open { display: block; position: fixed; inset: 0; z-index: 55; background: rgba(0,0,0,.35); }
  .topbar .topbar__menu { display: grid; }
  .dash-grid { grid-template-columns: 1fr; }
  .plan-strip { flex-wrap: wrap; gap: 20px; }
}
@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .hero { padding: 40px 0 64px; }
  .hero__text h1 { font-size: 34px; }
  .hero__actions { flex-wrap: wrap; }
  .section { padding: 64px 0; }
  .section__head h2 { font-size: 28px; }
  .feature-grid, .form-grid { grid-template-columns: 1fr; }
  .site-header__cta .link-plain { display: none; }
  .auth-panel { padding: 24px 16px; }
  .topbar { padding: 14px 16px; }
  .topbar__cta { display: none; }
  .dash-content { padding: 20px 16px 40px; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat { flex-direction: column; align-items: flex-start; padding: 16px; }
  .resume { flex-direction: column; align-items: stretch; }
  .resume__cover { width: 100%; }
  .code-banner { flex-wrap: wrap; }
}