/* iosama.ai — warm, minimal, bilingual (LTR + RTL) */
:root {
  --bg: #f6f4ee;
  --surface: #ffffff;
  --surface-2: #efece3;
  --border: #e4e0d5;
  --text: #111111;
  --text-2: #29292d;
  --muted: #6e6c66;
  --yellow: #ffc800;
  --orange: #e8590c;
  --green: #2f9e44;
  --violet: #7048e8;
  --radius: 14px;
  --w-content: 720px;
  --w-wide: 960px;
  --font: "IBM Plex Sans Arabic", system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font); line-height: 1.7; -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.35; margin: 0 0 .5em; font-weight: 700; color: var(--text); }
p { margin: 0 0 1em; }
code { font-family: var(--mono); font-size: .88em; background: var(--surface-2); padding: .15em .4em; border-radius: 6px; }

.wrap { width: 100%; max-width: var(--w-wide); margin: 0 auto; padding: 0 16px; }
.col { width: 100%; max-width: var(--w-content); margin: 0 auto; padding: 0 16px; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.3rem; letter-spacing: -.01em; }
.logo-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--text); color: var(--yellow); display: grid; place-items: center; flex: none; }
.logo-text { display: flex; align-items: baseline; gap: 10px; }
.logo-text b { font-weight: 700; }
.logo-text small { font-size: .82rem; font-weight: 500; color: var(--muted); letter-spacing: 0; }
@media (max-width: 640px) { .logo-text small { display: none; } }
.bar-actions { display: flex; align-items: center; gap: 8px; }
.nav { display: flex; gap: 4px; padding: 10px 0 12px; overflow-x: auto; border-bottom: 1px solid var(--border); }
.nav a { padding: 6px 14px; border-radius: 999px; font-size: .95rem; font-weight: 500; color: var(--text-2); white-space: nowrap; }
.nav a:hover { background: var(--surface-2); }
.nav a.active { background: #e9e6dc; color: var(--text); font-weight: 700; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 18px; border-radius: 999px;
  font-weight: 600; font-size: .92rem; border: 1px solid transparent; cursor: pointer; font-family: inherit; transition: .15s; white-space: nowrap;
}
.btn-dark { background: var(--text); color: #fff; }
.btn-dark:hover { background: #2b2b2b; }
.btn-dark .dot { width: 14px; height: 14px; border-radius: 50%; background: var(--yellow); box-shadow: inset 0 0 0 3px var(--text), 0 0 0 1px var(--yellow); }
.btn-light { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-light:hover { background: var(--surface-2); }
.btn-sm { padding: 6px 14px; font-size: .85rem; }
.lang-btn { font-weight: 700; }

/* ---------- Intro (home) ---------- */
.intro { padding: 40px 0 8px; }
.intro-row { display: flex; gap: 18px; align-items: center; }
.avatar {
  width: 72px; height: 72px; border-radius: 50%; flex: none; display: grid; place-items: center; object-fit: cover;
  background: var(--yellow); color: var(--text); font-weight: 700; font-size: 1.8rem;
}
.avatar-sm { width: 28px; height: 28px; font-size: .8rem; }
.avatar-lg { width: 96px; height: 96px; font-size: 2.4rem; }
.intro h1 { font-size: clamp(1.6rem, 4vw, 2.1rem); margin: 0; }
.intro .role { color: var(--muted); font-weight: 500; }
.intro p.bio { font-size: 1.12rem; color: var(--text-2); margin: 18px 0; }
.intro-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Section titles ---------- */
.section { padding: 36px 0; }
.section + .section { border-top: 1px solid var(--border); }
.section-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.section-title h2 { font-size: 1.35rem; margin: 0; display: flex; align-items: center; gap: 10px; }
.section-title a { font-size: .92rem; font-weight: 600; color: var(--muted); }
.section-title a:hover { color: var(--text); }
.page-title { padding: 34px 0 6px; }
.page-title h1 { font-size: clamp(1.9rem, 5vw, 2.5rem); display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.page-title p { color: var(--muted); font-size: 1.08rem; }

/* ---------- Post list ---------- */
.list { display: flex; flex-direction: column; }
.row { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border); align-items: start; }
.row:last-child { border-bottom: 0; }
.row .thumb { aspect-ratio: 1; border-radius: 12px; }
.row h3 { font-size: 1.12rem; margin-bottom: 4px; }
.row h3 a:hover, .feature h2 a:hover { text-decoration: underline; text-decoration-thickness: 2px; text-decoration-color: var(--yellow); }
.row .excerpt { color: var(--text-2); font-size: .97rem; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: .85rem; color: var(--muted); }
.meta .author { color: var(--orange); font-weight: 600; }
.meta .series { color: var(--text); font-weight: 600; }
.meta .series:hover { text-decoration: underline; }
.meta .sun { width: 12px; height: 12px; border-radius: 50%; background: var(--yellow); box-shadow: inset 0 0 0 2.5px var(--text); flex: none; }

.feature { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 26px; padding: 8px 0 26px; border-bottom: 1px solid var(--border); align-items: center; }
.feature .thumb { aspect-ratio: 1; border-radius: 14px; }
.feature h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); margin-bottom: 8px; }
.feature .excerpt { color: var(--text-2); font-size: 1.05rem; margin-bottom: 14px; }
@media (max-width: 640px) {
  .feature { grid-template-columns: 1fr; }
  .feature .thumb { order: -1; aspect-ratio: 16 / 10; }
  .row { grid-template-columns: 80px minmax(0, 1fr); gap: 14px; }
}

/* Thumbs / covers */
.thumb { display: block; overflow: hidden; position: relative; background: var(--surface-2); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.gen { width: 100%; height: 100%; display: grid; place-items: center; position: relative; }
.gen::after {
  content: ""; position: absolute; inset: 0; opacity: .14;
  background-image: radial-gradient(currentColor 1px, transparent 1.2px); background-size: 14px 14px;
}
.gen svg { width: 42%; max-width: 110px; height: auto; position: relative; z-index: 1; }
.g-yellow { background: var(--yellow); color: var(--text); }
.g-dark { background: #161616; color: var(--yellow); }
.g-orange { background: var(--orange); color: #fff; }
.g-green { background: #1f6f43; color: #e9ffe9; }
.g-violet { background: var(--violet); color: #fff; }

/* ---------- Series ---------- */
.series-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 760px) { .series-grid { grid-template-columns: 1fr; } }
.series-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; display: flex; gap: 14px; align-items: flex-start; transition: .15s; }
.series-card:hover { border-color: var(--text); }
.series-card .thumb { width: 52px; height: 52px; border-radius: 10px; flex: none; }
.series-card h3 { font-size: 1.02rem; margin: 0 0 2px; }
.series-card p { font-size: .88rem; color: var(--muted); margin: 0; }
.series-card small { font-size: .8rem; color: var(--muted); }

/* ---------- Filters / search ---------- */
.tools-bar { display: flex; flex-direction: column; gap: 12px; margin: 12px 0 8px; }
.search {
  width: 100%; padding: 11px 18px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font: inherit;
}
.search:focus { outline: 2px solid var(--yellow); border-color: var(--text); }
.pills { display: flex; gap: 6px; flex-wrap: wrap; }
.pill {
  padding: 5px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface);
  color: var(--text-2); cursor: pointer; font: inherit; font-size: .88rem; font-weight: 500;
}
.pill:hover { border-color: var(--text); }
.pill.active { background: var(--text); border-color: var(--text); color: #fff; }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }

/* ---------- Tags / badges ---------- */
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: .82rem; padding: 3px 12px; border-radius: 999px; background: var(--surface); color: var(--text-2); border: 1px solid var(--border); }
a.tag:hover { border-color: var(--text); }
.badge { display: inline-block; font-size: .72rem; font-weight: 700; padding: 2px 10px; border-radius: 999px; }
.badge.live { color: var(--green); background: color-mix(in srgb, var(--green) 12%, transparent); }
.badge.beta { color: var(--orange); background: color-mix(in srgb, var(--orange) 12%, transparent); }
.badge.soon { color: var(--violet); background: color-mix(in srgb, var(--violet) 12%, transparent); }

/* ---------- Project rows ---------- */
.project { display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; gap: 18px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--border); }
.project:last-child { border-bottom: 0; }
.project .thumb { width: 64px; height: 64px; border-radius: 14px; }
.project h3 { font-size: 1.1rem; margin: 0 0 2px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.project p { margin: 0; color: var(--text-2); font-size: .95rem; }
.project-actions { display: flex; gap: 6px; }
@media (max-width: 640px) {
  .project { grid-template-columns: 56px minmax(0, 1fr); }
  .project .thumb { width: 56px; height: 56px; }
  .project-actions { grid-column: 2; }
}

.detail { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; margin-bottom: 16px; scroll-margin-top: 120px; }
.detail h2 { font-size: 1.4rem; margin-top: 10px; }
.detail ul { padding-inline-start: 22px; color: var(--text-2); }
.detail li { margin-bottom: 4px; }
.spec { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 18px 0 0; }
.spec div { background: var(--bg); border-radius: 10px; padding: 12px 14px; }
.spec dt { font-size: .78rem; font-weight: 700; color: var(--muted); }
.spec dd { margin: 2px 0 0; font-size: .93rem; }
@media (max-width: 640px) { .spec { grid-template-columns: 1fr; } }

/* ---------- Boxes ---------- */
.box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }

/* ---------- Recommendations ---------- */
.rec { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.rec:last-child { border-bottom: 0; }
.rec .ico { width: 48px; height: 48px; border-radius: 10px; display: grid; place-items: center; background: var(--surface); border: 1px solid var(--border); font-size: 1.3rem; }
.rec h3 { font-size: 1.02rem; margin: 0; }
.rec small { color: var(--muted); }
.rec p { margin: 4px 0 0; color: var(--text-2); font-size: .94rem; }

/* ---------- About ---------- */
.about-head { display: flex; gap: 20px; align-items: center; margin: 34px 0 20px; flex-wrap: wrap; }
.about-head h1 { margin: 0; font-size: 2rem; }
.timeline { border-inline-start: 2px solid var(--border); padding-inline-start: 22px; margin: 14px 0; }
.timeline li { list-style: none; margin-bottom: 16px; position: relative; }
.timeline li::before { content: ""; position: absolute; inset-inline-start: -30px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--yellow); border: 2px solid var(--text); }
.timeline b { display: block; }
.timeline span { color: var(--muted); font-size: .92rem; }

/* ---------- Article ---------- */
.article { padding-top: 34px; padding-bottom: 20px; }
.article h1 { font-size: clamp(1.8rem, 5vw, 2.5rem); margin-bottom: 10px; }
.article .subtitle { color: var(--muted); font-size: 1.15rem; margin-bottom: 18px; }
.article .byline { display: flex; align-items: center; gap: 10px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.article .byline .who { display: flex; flex-direction: column; line-height: 1.4; }
.article .byline .who b { color: var(--orange); font-size: .95rem; }
.article-cover { aspect-ratio: 16 / 8; border-radius: 16px; overflow: hidden; margin: 24px 0 8px; }
.article-cover:empty { display: none; }
.article-cover .thumb { height: 100%; }
.prose { font-size: 1.125rem; line-height: 1.8; color: var(--text-2); padding-top: 14px; }
.prose h2 { font-size: 1.5rem; margin-top: 1.8em; }
.prose h3 { font-size: 1.2rem; margin-top: 1.5em; }
.prose p, .prose li { margin-bottom: .9em; }
.prose ul, .prose ol { padding-inline-start: 24px; }
.prose a { text-decoration: underline; text-decoration-color: var(--yellow); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.prose b, .prose strong { color: var(--text); }
.prose blockquote { margin: 1.6em 0; padding: 14px 20px; border-inline-start: 4px solid var(--yellow); background: var(--surface); border-radius: 10px; color: var(--text); font-weight: 500; }
.prose img { border-radius: 12px; margin: 1.5em auto; }
.prose hr { border: 0; height: 8px; margin: 2.4em auto; width: 48px; background: radial-gradient(circle, var(--yellow) 3.5px, transparent 4px) 0 0 / 16px 8px repeat-x; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.4em 0; font-size: 1rem; background: var(--surface); border-radius: 10px; overflow: hidden; }
.prose th, .prose td { padding: 10px 14px; border-bottom: 1px solid var(--border); text-align: start; }
.prose th { background: var(--surface-2); color: var(--text); font-weight: 700; }
.prose thead:has(th:empty) { display: none; }
.prose pre { background: #161616; color: #f1f1f1; padding: 18px; border-radius: 12px; overflow-x: auto; font-size: .9rem; direction: ltr; text-align: left; }
.prose pre code { background: none; padding: 0; color: inherit; }
.table-wrap { overflow-x: auto; }
.article-foot { padding-bottom: 20px; }
.article-foot .tags { margin: 26px 0; }
.author-box { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.author-box div { flex: 1; min-width: 200px; }
.author-box h4 { margin: 0 0 2px; }
.author-box p { margin: 0; color: var(--muted); font-size: .94rem; }
.translation-note { display: flex; align-items: center; gap: 10px; font-size: .9rem; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 6px 8px 6px 16px; width: fit-content; margin-top: 16px; }
[dir="rtl"] .translation-note { padding: 6px 16px 6px 8px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0 36px; margin-top: 30px; color: var(--muted); font-size: .9rem; }
.foot-inner { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; align-items: center; }
.foot-links { display: flex; gap: 14px; flex-wrap: wrap; }
.foot-links a:hover { color: var(--text); }