/* TOPCAST Apps — topcastapps.com */
@font-face { font-family: "Inter"; src: url("/assets/fonts/inter-400.woff") format("woff"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("/assets/fonts/inter-400-italic.woff") format("woff"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Inter"; src: url("/assets/fonts/inter-600.woff") format("woff"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter Display"; src: url("/assets/fonts/inter-display-700.woff") format("woff"); font-weight: 700; font-style: normal; font-display: swap; }

:root {
  color-scheme: light;
  --bg: #faf9f6;
  --surface: #ffffff;
  --surface-2: #f2f0ea;
  --ink: #1b1f1d;
  --ink-2: #39403c;
  --muted: #616a65;
  --line: #e4e0d6;
  --line-2: #d3cec2;
  --accent: #0d6a54;
  --accent-ink: #0a5544;
  --accent-soft: #e4f0ea;
  --on-accent: #ffffff;
  --ks: #9a3b5b;
  --ks-soft: #f7e9ee;
  --tertib: #0063c7;
  --tertib-soft: #e7f0fc;
  --babak: #946a00;
  --babak-bar: #f0b400;
  --babak-soft: #fcf2d5;
  --radius: 14px;
  --maxw: 1120px;
  --readw: 700px;
  --shadow: 0 1px 2px rgba(24, 28, 26, .04), 0 10px 28px rgba(24, 28, 26, .05);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Inter Display", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-arabic: "Noto Naskh Arabic", "Amiri", "Scheherazade New", "Geeza Pro", "Traditional Arabic", "Arabic Typesetting", "Segoe UI", serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #111413;
    --surface: #181c1a;
    --surface-2: #1f2421;
    --ink: #e7ebe8;
    --ink-2: #c8cec9;
    --muted: #9aa39e;
    --line: #2a302d;
    --line-2: #3a413d;
    --accent: #5cc2a2;
    --accent-ink: #84d6bb;
    --accent-soft: #15302a;
    --on-accent: #0b1a15;
    --ks: #ec94b1;
    --ks-soft: #2f1b23;
    --tertib: #7ab3f7;
    --tertib-soft: #142338;
    --babak: #f2c654;
    --babak-bar: #f0b400;
    --babak-soft: #2b2512;
    --shadow: none;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 16px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-ink); text-decoration-line: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; text-decoration-color: color-mix(in srgb, currentColor 45%, transparent); }
a:hover { text-decoration-thickness: 2px; text-decoration-color: currentColor; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--ink); line-height: 1.2; letter-spacing: -0.015em; margin: 0; text-wrap: balance; }
p { margin: 0 0 1em; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--surface); padding: 8px 14px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 12px; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 68px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: baseline; gap: 6px; text-decoration: none; color: var(--ink); font-family: var(--font-display); font-weight: 700; font-size: 19px; letter-spacing: 0.02em; padding: 8px 0; }
.brand b { font-weight: 700; }
.brand span { color: var(--accent); letter-spacing: 0; }
.site-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.site-nav a { color: var(--ink-2); text-decoration: none; font-size: 15px; font-weight: 600; padding: 8px 12px; border-radius: 999px; }
.site-nav a:hover { background: var(--surface-2); color: var(--ink); }
.site-nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent-ink); }
@media (max-width: 640px) {
  .site-header .wrap { gap: 0; padding-bottom: 8px; }
  .site-nav { width: 100%; flex-wrap: nowrap; overflow-x: auto; margin: 0 -8px; padding: 0 8px; scrollbar-width: none; }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav a { white-space: nowrap; padding: 7px 12px; font-size: 15px; }
}

/* Generic sections */
main { display: block; }
.section { padding: 56px 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(24px, 3vw, 30px); }
.section-head p { margin: 0; color: var(--muted); max-width: 640px; }
.kicker { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); margin-bottom: 14px; }
.lead { font-size: 19px; color: var(--ink-2); line-height: 1.6; max-width: 720px; }
.muted { color: var(--muted); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 10px 20px; border-radius: 999px; font-weight: 600; font-size: 16px; text-decoration: none; border: 1px solid transparent; background: var(--accent); color: var(--on-accent); }
.btn:hover { filter: brightness(1.06); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn.ghost:hover { background: var(--surface-2); filter: none; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }

/* Hero */
.hero { padding: 64px 0 56px; }
.hero h1 { font-size: clamp(34px, 5.2vw, 56px); max-width: 860px; margin-bottom: 20px; }
@media (max-width: 640px) { .hero { padding: 40px 0 40px; } .lead { font-size: 18px; } }

/* App cards */
.app-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 960px) { .app-grid { grid-template-columns: 1fr; } }
.app-card { position: relative; display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px 24px; box-shadow: var(--shadow); overflow: hidden; }
.app-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 5px; background: var(--app, var(--accent)); }
.app-card .app-name { font-size: 24px; margin-bottom: 4px; }
.app-card .app-tag { color: var(--app-ink, var(--accent-ink)); font-weight: 600; font-size: 15px; margin-bottom: 14px; }
.app-card ul { margin: 0 0 20px; padding-left: 18px; color: var(--ink-2); }
.app-card li { margin-bottom: 6px; }
.app-card .app-links { margin-top: auto; display: flex; flex-direction: column; align-items: stretch; gap: 12px; }
.app-card .btn { min-height: 46px; padding: 10px 18px; font-size: 16px; background: var(--app, var(--accent)); color: #fff; }
.app-card .text-link { align-self: center; font-weight: 600; font-size: 15px; color: var(--ink-2); padding: 4px 6px; }
.app-card .text-link:hover { color: var(--ink); }
.app-card .app-url { font-size: 14px; color: var(--muted); margin: -6px 0 14px; }
.theme-ks { --app: var(--ks); --app-ink: var(--ks); --app-soft: var(--ks-soft); }
.theme-tertib { --app: var(--tertib); --app-ink: var(--tertib); --app-soft: var(--tertib-soft); }
.theme-babak { --app: var(--babak-bar); --app-ink: var(--babak); --app-soft: var(--babak-soft); }
.theme-babak .btn:not(.ghost) { color: #2a1f00; }
@media (prefers-color-scheme: dark) { .theme-ks .btn:not(.ghost), .theme-tertib .btn:not(.ghost) { color: #10141a; } }

/* Guide lists */
.guide-groups { display: grid; gap: 40px; }
.guide-group h3 { font-size: 20px; margin-bottom: 14px; display: flex; align-items: baseline; gap: 10px; }
.guide-group h3 small { font-family: var(--font); font-weight: 400; color: var(--muted); font-size: 15px; letter-spacing: 0; }
.guide-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 800px) { .guide-list { grid-template-columns: 1fr; } }
.guide-item a { display: block; height: 100%; padding: 18px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; text-decoration: none; color: var(--ink); }
.guide-item a:hover { border-color: var(--line-2); box-shadow: var(--shadow); }
.guide-item .g-title { display: block; font-weight: 600; font-size: 17px; line-height: 1.35; margin-bottom: 6px; color: var(--ink); }
.guide-item a:hover .g-title { color: var(--accent-ink); text-decoration: underline; text-underline-offset: 3px; }
.guide-item .g-desc { display: block; color: var(--muted); font-size: 15px; line-height: 1.5; }

/* Principles */
.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 860px) { .principles { grid-template-columns: 1fr; } }
.principle { padding: 22px; border-radius: var(--radius); background: var(--surface-2); }
.principle h3 { font-size: 18px; margin-bottom: 8px; }
.principle p { margin: 0; color: var(--ink-2); font-size: 16px; }

/* Breadcrumb */
.crumbs { font-size: 14px; color: var(--muted); padding-top: 28px; }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs li:not(:last-child)::after { content: "/"; margin-left: 6px; color: var(--line-2); }
.crumbs a { color: var(--muted); }
@media (max-width: 640px) { .crumbs li[aria-current] { display: none; } .crumbs li:nth-last-child(2)::after { content: none; } .summary { padding: 18px 18px 4px; } .toc { padding: 16px 18px; } }

/* Article */
.article-head { padding: 18px 0 8px; max-width: var(--readw); }
.article-head h1 { font-size: clamp(30px, 4.4vw, 44px); margin: 10px 0 16px; }
.meta { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--muted); font-size: 15px; align-items: center; }
.chip { display: inline-block; padding: 3px 11px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-ink); font-weight: 600; font-size: 13px; text-decoration: none; }
a.chip:hover { text-decoration: underline; }
.article-layout { display: grid; grid-template-columns: minmax(0, var(--readw)) minmax(0, 1fr); gap: 56px; padding-bottom: 64px; }
@media (max-width: 1000px) { .article-layout { grid-template-columns: minmax(0, 1fr); gap: 0; } .article-aside { display: none; } }
@media (min-width: 1001px) { .toc { display: none; } }
.prose { font-size: 18px; line-height: 1.75; color: var(--ink); min-width: 0; }
.prose h2 { font-size: clamp(23px, 2.6vw, 28px); margin: 2.1em 0 .6em; scroll-margin-top: 16px; }
.prose h3 { font-size: 20px; margin: 1.7em 0 .5em; }
.prose p, .prose ul, .prose ol, .prose table { margin: 0 0 1.15em; }
.prose ul, .prose ol { padding-left: 1.35em; }
.prose li { margin-bottom: .45em; }
.prose li > ul, .prose li > ol { margin: .45em 0 0; }
.prose strong { font-weight: 600; }
.prose em { font-style: italic; }
.prose blockquote { margin: 1.4em 0; padding: 4px 0 4px 18px; border-left: 3px solid var(--line-2); color: var(--ink-2); }
.table-wrap { overflow-x: auto; margin: 0 0 1.4em; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.prose table { width: 100%; border-collapse: collapse; font-size: 16px; line-height: 1.5; margin: 0; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 11px 14px; border-bottom: 1px solid var(--line); }
.prose th { font-weight: 600; background: var(--surface-2); }
.prose tr:last-child td { border-bottom: 0; }
@media (max-width: 640px) { .prose table { font-size: 15px; } .prose table.wide { min-width: 560px; } .prose th, .prose td { padding: 10px 12px; } }
.ar { font-family: var(--font-arabic); font-size: 1.15em; line-height: 1; }
.prose .arabic, .arabic { font-family: var(--font-arabic); direction: rtl; text-align: right; font-size: 1.55em; line-height: 2.1; margin: 1.1em 0 .6em; color: var(--ink); }

.summary { background: var(--accent-soft); border-radius: var(--radius); padding: 22px 24px 8px; margin: 22px 0 28px; }
.summary h2 { font-size: 15px !important; letter-spacing: .07em; text-transform: uppercase; margin: 0 0 10px !important; color: var(--accent-ink); font-family: var(--font); }
.summary ul { margin: 0 0 14px; padding-left: 1.2em; font-size: 17px; line-height: 1.6; }
.summary li { margin-bottom: 8px; }

.toc { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; margin: 0 0 32px; background: var(--surface); }
.toc h2 { font-size: 15px !important; letter-spacing: .07em; text-transform: uppercase; margin: 0 0 8px !important; color: var(--muted); font-family: var(--font); }
.toc ol { margin: 0; padding-left: 1.25em; font-size: 16px; line-height: 1.55; }
.toc li { margin: 4px 0; }
.toc a { text-decoration: none; color: var(--ink-2); }
.toc a:hover { color: var(--accent-ink); text-decoration: underline; }

.aside-card { position: sticky; top: 24px; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; background: var(--surface); font-size: 15px; margin-top: 28px; }
.aside-card h2 { font-size: 15px; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); font-family: var(--font); margin-bottom: 10px; }
.aside-card ol { margin: 0; padding-left: 1.2em; }
.aside-card li { margin: 6px 0; line-height: 1.45; }
.aside-card a { text-decoration: none; color: var(--ink-2); }
.aside-card a:hover { color: var(--accent-ink); text-decoration: underline; }

.note { background: var(--surface-2); border-radius: 12px; padding: 16px 18px; font-size: 15px; line-height: 1.6; color: var(--ink-2); margin: 32px 0; }
.note p:last-child { margin: 0; }
.note strong { color: var(--ink); }

.refs { margin-top: 44px; padding-top: 8px; border-top: 1px solid var(--line); }
.refs h2 { font-size: 22px !important; margin-top: 28px !important; }
.refs ol { font-size: 15px; line-height: 1.55; padding-left: 1.5em; color: var(--ink-2); }
.refs li { margin-bottom: 9px; overflow-wrap: anywhere; }

.app-cta { display: grid; grid-template-columns: 1fr auto; gap: 16px 24px; align-items: center; border: 1px solid var(--line); border-left: 5px solid var(--app, var(--accent)); border-radius: var(--radius); background: var(--surface); padding: 20px 22px; margin: 36px 0; }
.app-cta h2 { font-size: 19px !important; margin: 0 0 4px !important; }
.app-cta p { margin: 0; font-size: 16px; color: var(--ink-2); line-height: 1.55; }
.app-cta .btn { background: var(--app, var(--accent)); color: #fff; white-space: nowrap; }
@media (prefers-color-scheme: dark) { .app-cta.theme-ks .btn, .app-cta.theme-tertib .btn { color: #10141a; } }
@media (max-width: 560px) { .app-cta { grid-template-columns: 1fr; } .app-cta .btn { justify-self: start; } }

.related { padding: 48px 0 64px; border-top: 1px solid var(--line); }
.related h2 { font-size: 24px; margin-bottom: 18px; }

/* App page */
.app-hero { padding: 18px 0 40px; }
.app-hero .kicker { color: var(--app-ink, var(--accent-ink)); }
.app-hero h1 { font-size: clamp(32px, 4.8vw, 50px); margin: 6px 0 18px; max-width: 900px; }
.app-hero .btn { background: var(--app, var(--accent)); color: #fff; }
.app-hero .btn.ghost { background: transparent; color: var(--ink); }
.theme-babak .app-hero .btn:not(.ghost), .app-hero.theme-babak .btn:not(.ghost) { color: #2a1f00; }
@media (prefers-color-scheme: dark) { .theme-ks .app-hero .btn:not(.ghost), .theme-tertib .app-hero .btn:not(.ghost) { color: #10141a; } }
.facts { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; padding: 0; list-style: none; }
.facts li { background: var(--app-soft, var(--accent-soft)); color: var(--ink); border-radius: 999px; padding: 6px 14px; font-size: 14px; font-weight: 600; }
.page-body { padding-bottom: 64px; }
.page-body .prose { max-width: 960px; }
.page-body .prose > p, .page-body .prose > ul, .page-body .prose > ol, .page-body .prose > h2, .page-body .prose > h3, .page-body .prose > .faq { max-width: var(--readw); }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 8px 0 28px; }
@media (max-width: 720px) { .feature-grid { grid-template-columns: 1fr; } }
.feature { border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; background: var(--surface); }
.feature h3 { font-size: 18px !important; margin: 0 0 6px !important; }
.feature p { margin: 0; font-size: 16px; line-height: 1.6; color: var(--ink-2); }
.steps { counter-reset: step; list-style: none; padding: 0 !important; }
.steps li { counter-increment: step; position: relative; padding-left: 46px; margin-bottom: 14px; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: 1px; width: 30px; height: 30px; border-radius: 50%; background: var(--app-soft, var(--accent-soft)); color: var(--app-ink, var(--accent-ink)); font-weight: 700; font-size: 15px; display: grid; place-items: center; font-family: var(--font); line-height: 1; }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; list-style-position: outside; }
.faq details p { margin: 10px 0 2px; font-size: 17px; }

/* Footer */
.site-footer { background: var(--surface-2); border-top: 1px solid var(--line); padding: 48px 0 28px; font-size: 15px; color: var(--ink-2); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h2 { font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-family: var(--font); margin-bottom: 10px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 7px 0; }
.site-footer a { color: var(--ink-2); text-decoration: none; }
.site-footer a:hover { color: var(--accent-ink); text-decoration: underline; }
.footer-bottom { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 14px; }

/* 404 */
.notfound { padding: 80px 0; max-width: 640px; }
.notfound h1 { font-size: 40px; margin-bottom: 14px; }

@media print {
  .site-header, .site-footer, .article-aside, .app-cta, .related, .btn-row { display: none !important; }
  body { background: #fff; color: #000; }
  a { color: #000; }
}