:root {
  --school-ink: #172033;
  --school-muted: #5f6b7a;
  --school-soft: #f5f8fc;
  --school-border: #dce4ee;
  --school-primary: #2563eb;
  --school-primary-dark: #1d4ed8;
  --school-accent: #0f766e;
  --school-danger: #b42318;
  --school-shadow: 0 18px 45px rgba(23, 32, 51, 0.08);
  --school-radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.school-countdown-page {
  margin: 0;
  color: var(--school-ink);
  background: #fbfcfe;
  font-family: Inter, "Noto Sans Arabic", "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}
body.school-countdown-page a { color: inherit; }
.page-shell { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--school-border); backdrop-filter: blur(14px); }
.header-inner { min-height: 72px; display: flex; align-items: center; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; min-width: 230px; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: #eaf1ff; color: var(--school-primary); font-size: 1.2rem; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: .98rem; letter-spacing: -.01em; }
.brand small { color: var(--school-muted); font-size: .72rem; }
.top-nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.top-nav a, .language-menu summary { color: var(--school-muted); text-decoration: none; font-size: .86rem; font-weight: 700; padding: .45rem .68rem; border-radius: 10px; cursor: pointer; list-style: none; }
.top-nav a:hover, .language-menu summary:hover { color: var(--school-primary); background: #f2f6ff; }
.language-menu { position: relative; }
.language-menu summary::-webkit-details-marker { display: none; }
.language-options { position: absolute; right: 0; top: calc(100% + 8px); min-width: 150px; padding: 7px; border: 1px solid var(--school-border); border-radius: 14px; background: #fff; box-shadow: var(--school-shadow); }
.language-options a { display: block; padding: 7px 10px; border-radius: 9px; text-decoration: none; color: var(--school-muted); font-size: .84rem; }
.language-options a:hover, .language-options a[aria-current="page"] { background: #eef4ff; color: var(--school-primary); }
.hero-row { background: linear-gradient(135deg, #eef4ff 0%, #f8fbff 54%, #ecfbf7 100%); border-bottom: 1px solid var(--school-border); }
.hero-content { padding: 68px 0 56px; }
.eyebrow, .section-kicker { color: var(--school-primary); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; font-size: .74rem; }
.hero-content h1 { max-width: 820px; margin: 13px 0 16px; font-size: clamp(2rem, 4vw, 3.65rem); line-height: 1.12; letter-spacing: -.045em; }
.hero-description { max-width: 820px; margin: 0; color: #405069; font-size: 1.08rem; }
.search-phrase { max-width: 820px; margin: 20px 0 0; padding: 11px 14px; border-left: 3px solid var(--school-accent); background: rgba(255,255,255,.72); color: #355a58; font-size: .94rem; }
.quick-answer { max-width: 820px; margin: 18px 0 0; color: var(--school-muted); font-size: .92rem; }
.tool-row, .content-row { padding: 62px 0; }
.soft-row { background: var(--school-soft); border-top: 1px solid #edf1f6; border-bottom: 1px solid #edf1f6; }
.section-heading { display: grid; grid-template-columns: 54px 1fr; gap: 16px; align-items: start; }
.section-heading h2 { margin: 0 0 11px; font-size: clamp(1.45rem, 2.3vw, 2.1rem); line-height: 1.2; letter-spacing: -.03em; }
.section-heading p { margin: 0 0 15px; color: var(--school-muted); }
.tool-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 22px; margin-top: 26px; }
.tool-form, .result-panel, .step-card, .feature-card, .source-card { background: #fff; border: 1px solid var(--school-border); border-radius: var(--school-radius); box-shadow: var(--school-shadow); }
.tool-form { padding: 25px; }
.tool-form label { display: block; margin: 0 0 7px; font-weight: 800; font-size: .88rem; }
.tool-form label:not(:first-child) { margin-top: 20px; }
.tool-form select, .tool-form input { width: 100%; min-height: 48px; border: 1px solid #c9d5e5; border-radius: 12px; padding: 0 13px; color: var(--school-ink); background: #fff; font: inherit; }
.tool-form select:focus, .tool-form input:focus { outline: 3px solid rgba(37,99,235,.15); border-color: var(--school-primary); }
.field-hint { margin: 8px 0 0; color: var(--school-muted); font-size: .82rem; }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.primary-button, .secondary-button { min-height: 46px; border-radius: 12px; padding: 0 17px; font: inherit; font-weight: 800; cursor: pointer; }
.primary-button { border: 1px solid var(--school-primary); background: var(--school-primary); color: #fff; }
.primary-button:hover { background: var(--school-primary-dark); }
.secondary-button { border: 1px solid var(--school-border); background: #fff; color: var(--school-ink); }
.secondary-button:hover { border-color: var(--school-primary); color: var(--school-primary); }
.form-message { min-height: 28px; margin: 13px 0 0; color: var(--school-danger); font-size: .86rem; font-weight: 700; }
.result-panel { min-height: 100%; padding: 28px; background: linear-gradient(160deg, #fff 0%, #f4f8ff 100%); }
.result-topline { display: flex; align-items: flex-start; gap: 13px; }
.result-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 13px; background: #e9f0ff; color: var(--school-primary); font-size: 1.25rem; }
.result-label { margin: 0; font-weight: 850; font-size: 1.18rem; }
.result-state { margin: 2px 0 0; color: var(--school-muted); font-size: .86rem; }
.countdown-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 30px 0 24px; }
.countdown-cell { min-width: 0; padding: 18px 8px 14px; text-align: center; border: 1px solid #d5e0ef; border-radius: 15px; background: rgba(255,255,255,.86); }
.countdown-cell strong { display: block; font-size: clamp(1.55rem, 3vw, 2.5rem); line-height: 1.1; font-variant-numeric: tabular-nums; }
.countdown-cell span { display: block; margin-top: 6px; color: var(--school-muted); font-size: .77rem; font-weight: 800; }
.target-summary { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding: 13px 15px; border-radius: 13px; background: #fff; border: 1px solid #dbe5f2; font-size: .88rem; }
.target-summary span { color: var(--school-muted); }
.timezone-note { margin: 16px 0 0; color: var(--school-muted); font-size: .78rem; }
.content-narrow { max-width: 920px; }
.step-grid, .feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 24px; }
.step-card, .feature-card { padding: 20px; box-shadow: none; }
.step-number { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: #eaf1ff; color: var(--school-primary); font-weight: 900; font-size: .85rem; }
.step-card h3, .feature-card h3 { margin: 16px 0 8px; font-size: 1rem; line-height: 1.35; }
.step-card p, .feature-card p { margin: 0; color: var(--school-muted); font-size: .9rem; }
.table-wrap { overflow-x: auto; margin-top: 23px; border: 1px solid var(--school-border); border-radius: 17px; background: #fff; }
table { width: 100%; min-width: 680px; border-collapse: collapse; font-size: .9rem; }
th, td { padding: 14px 15px; text-align: start; vertical-align: top; border-bottom: 1px solid #e7edf4; }
th { background: #f1f5fa; font-weight: 850; }
tr:last-child td { border-bottom: 0; }
.callout { margin: 16px 0 0; padding: 14px 16px; border-left: 3px solid var(--school-accent); background: #f0fbf8; color: #315b56; font-size: .9rem; }
.check-list { display: grid; gap: 9px; margin: 20px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-inline-start: 26px; color: var(--school-muted); }
.check-list li::before { content: "✓"; position: absolute; inset-inline-start: 0; color: var(--school-accent); font-weight: 900; }
.related-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 22px; }
.related-links a { display: flex; justify-content: space-between; gap: 10px; padding: 14px 16px; border: 1px solid var(--school-border); border-radius: 13px; text-decoration: none; font-weight: 800; color: var(--school-primary); background: #fff; }
.related-links a:hover { border-color: var(--school-primary); background: #f6f9ff; }
.faq-list { display: grid; gap: 10px; margin-top: 20px; }
.faq-list details { padding: 16px 18px; border: 1px solid var(--school-border); border-radius: 14px; background: #fff; }
.faq-list summary { cursor: pointer; font-weight: 850; }
.faq-list p { margin: 12px 0 0; color: var(--school-muted); font-size: .92rem; }
.source-row { padding-top: 0; }
.source-card { padding: 24px; box-shadow: none; background: #f8fafc; }
.source-card h2 { margin: 0 0 8px; font-size: 1.2rem; }
.source-card p { margin: 0 0 13px; color: var(--school-muted); }
.source-card a { color: var(--school-primary); font-weight: 850; }
.site-footer { padding: 28px 0 38px; background: #172033; color: #e6edf7; }
.footer-inner { display: flex; justify-content: space-between; gap: 18px; align-items: center; }
.footer-inner p { margin: 0; color: #b9c5d6; font-size: .84rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; justify-content: flex-end; font-size: .82rem; }
.footer-links a { color: #e6edf7; text-decoration: none; }
.footer-links a:hover { color: #8db4ff; }
.lang-ar .top-nav, .lang-ar .footer-links { direction: rtl; }
.lang-ar .hero-content, .lang-ar .section-heading, .lang-ar .tool-form, .lang-ar .result-panel, .lang-ar .content-narrow, .lang-ar .source-card { text-align: right; }
.lang-ar .search-phrase { border-left: 0; border-right: 3px solid var(--school-accent); }
.lang-ar .check-list li { padding-inline-start: 0; padding-inline-end: 26px; }
.lang-ar .check-list li::before { inset-inline-start: auto; inset-inline-end: 0; }
@media (max-width: 900px) {
  .header-inner { flex-wrap: wrap; padding: 10px 0; }
  .brand { min-width: 0; flex: 1; }
  .top-nav { order: 3; width: 100%; overflow-x: auto; padding-bottom: 2px; }
  .tool-grid { grid-template-columns: 1fr; }
  .step-grid, .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .page-shell { width: min(100% - 22px, 1120px); }
  .hero-content { padding: 45px 0 40px; }
  .tool-row, .content-row { padding: 45px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 5px; }
  .countdown-grid { gap: 7px; }
  .countdown-cell { padding: 14px 4px 11px; }
  .countdown-cell strong { font-size: 1.45rem; }
  .countdown-cell span { font-size: .68rem; }
  .step-grid, .feature-grid, .related-links { grid-template-columns: 1fr; }
  .footer-inner { display: grid; }
  .footer-links { justify-content: flex-start; }
  .language-options { right: auto; left: 0; }
}