/* SemsLanguage — Semsera (sems ERA) görsel kimliği: siyah zemin, zinc metin,
   teal→lime (#22D3EE→#A3E635) orbit gradyanı. Kaynak: apps/sems-era tailwind.config.ts + brand.tsx.
   Bu dosya her sayfada yüklenir: tokenlar, header, hamburger menü, kayıt formu, düğmeler. */
:root {
  color-scheme: dark;
  --black: #050506; --ink: #0A0A0C; --panel: #111114; --panel-2: #16161a;
  --fg: #F4F4F5;
  --fg-80: rgba(244,244,245,.8); --fg-60: rgba(244,244,245,.6); --fg-45: rgba(244,244,245,.45); --fg-30: rgba(244,244,245,.3);
  --line: rgba(255,255,255,.10); --line-15: rgba(255,255,255,.15); --line-30: rgba(255,255,255,.30);
  --fill-3: rgba(255,255,255,.03); --fill-4: rgba(255,255,255,.04); --fill-6: rgba(255,255,255,.06); --fill-10: rgba(255,255,255,.10);
  --accent: #22D3EE; --accent-5: #06B6D4; --lift: #A3E635; --lift-5: #84CC16;
  --grad: linear-gradient(90deg, #22D3EE, #A3E635);
  --danger: #F87171; --ok: #A3E635;
  --r-md: 12px; --r-lg: 16px; --r-xl: 20px; --r-2xl: 24px;
  --font: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --header-h: 64px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); background: var(--black); color: var(--fg); line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button { font-family: inherit; }
.sl-grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sl-hidden, [hidden] { display: none !important; }
.sl-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
/* Klavye odağı: her etkileşimli öğede görünür halka (fare tıklamasında çıkmaz); form alanının kendi odak kenarlığı var */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.sl-input:focus-visible { outline: none; }

/* ── Kırıntı: "← Raf" / "← Kurslar" (kurs ve raf sayfaları; build.js basar) ── */
.crumb { font-size: 12.5px; font-weight: 700; letter-spacing: .02em; margin-bottom: 18px; }
.crumb a { display: inline-flex; align-items: center; max-width: 100%; padding: 6px 12px 6px 10px; margin-left: -10px; border-radius: 999px; color: var(--fg-60); text-decoration: none; transition: color .15s, background .15s; }
.crumb a:hover { color: var(--fg); background: var(--fill-6); }

/* ── Düğmeler ───────────────────────────────────────────── */
.sl-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: var(--r-md); padding: 12px 22px; font-size: 14px; font-weight: 800; cursor: pointer; text-decoration: none; transition: opacity .15s, transform .1s, border-color .15s, background .15s; white-space: nowrap; }
.sl-btn:active { transform: scale(.98); }
.sl-btn:disabled { opacity: .5; cursor: default; }
.sl-btn-primary { background: var(--grad); color: #050506; }
.sl-btn-primary:hover { opacity: .9; }
.sl-btn-ghost { background: transparent; color: var(--fg-80); border-color: var(--line-15); }
.sl-btn-ghost:hover { background: var(--fill-6); color: var(--fg); border-color: var(--line-30); }
.sl-btn-sm { padding: 8px 14px; font-size: 13px; }
.sl-btn-block { width: 100%; white-space: normal; text-align: center; }
.sl-icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--line-15); background: transparent; color: var(--fg-80); cursor: pointer; transition: border-color .15s, color .15s, background .15s, transform .1s; }
.sl-icon-btn:hover { border-color: var(--line-30); color: var(--fg); background: var(--fill-4); }
.sl-icon-btn:active { transform: scale(.95); }
.sl-icon-btn-sm { width: 34px; height: 34px; border-radius: 10px; }
.sl-icon-btn.is-on { border-color: rgba(163,230,53,.5); color: var(--lift); }

/* ── Header ─────────────────────────────────────────────── */
.sl-header { position: sticky; top: 0; z-index: 40; border-bottom: 1px solid var(--line); background: rgba(5,5,6,.82); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.sl-header-in { max-width: 1152px; margin: 0 auto; height: var(--header-h); padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.sl-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; min-width: 0; }
.sl-mark { flex: none; border-radius: 10px; }
.sl-brand-text { display: flex; flex-direction: column; line-height: 1; min-width: 0; }
.sl-wordmark { font-weight: 900; font-size: 20px; letter-spacing: -.02em; color: var(--fg); white-space: nowrap; }
.sl-brand-sub { margin-top: 4px; font-size: 10px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--fg-45); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sl-brand-sub .sl-grad { font-weight: 800; }
.sl-topnav { display: none; align-items: center; gap: 4px; }
.sl-topnav a { text-decoration: none; font-size: 14px; font-weight: 500; color: var(--fg-60); padding: 6px 12px; border-radius: 8px; transition: color .15s, background .15s; }
.sl-topnav a:hover { color: var(--fg); background: var(--fill-6); }
.sl-header-right { display: flex; align-items: center; gap: 8px; flex: none; }
.sl-user-chip { display: none; align-items: center; gap: 8px; border: 1px solid var(--line-15); background: var(--fill-4); color: var(--fg-80); border-radius: 999px; padding: 6px 12px 6px 6px; font-size: 13px; font-weight: 700; cursor: pointer; max-width: 220px; }
.sl-user-chip:hover { border-color: var(--line-30); }
.sl-user-chip .sl-avatar { width: 26px; height: 26px; font-size: 11px; }
.sl-user-chip span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sl-avatar { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: var(--grad); color: #050506; font-weight: 900; font-size: 14px; letter-spacing: .02em; flex: none; }
@media (min-width: 1024px) { .sl-topnav { display: flex; } }
@media (min-width: 640px) { .sl-user-chip:not([hidden]) { display: inline-flex; } }
@media (max-width: 420px) { .sl-brand-sub { display: none; } .sl-header-in { padding: 0 16px; } }

/* ── Hamburger menü (sems ERA deseni: üstten iner, karartma, kademeli giriş) ── */
.sl-menu { position: fixed; inset: 0; z-index: 50; pointer-events: none; }
.sl-menu.is-open { pointer-events: auto; }
.sl-menu-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.6); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); opacity: 0; transition: opacity .3s; }
.sl-menu.is-open .sl-menu-backdrop { opacity: 1; }
.sl-menu-panel { position: absolute; top: 0; left: 0; right: 0; margin: 0 auto; width: 100%; max-width: 672px; max-height: 100%; overflow-y: auto; display: flex; flex-direction: column; background: rgba(10,10,12,.96); border: 1px solid var(--line); border-top: 0; border-radius: 0 0 28px 28px; box-shadow: 0 0 80px rgba(34,211,238,.10); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); transform: translateY(-100%); transition: transform .3s ease-out; padding-bottom: max(16px, env(safe-area-inset-bottom)); }
.sl-menu.is-open .sl-menu-panel { transform: translateY(0); }
.sl-menu-top { display: flex; align-items: center; justify-content: space-between; padding: 20px 20px 12px; }
.sl-menu-title { font-size: 15px; font-weight: 900; letter-spacing: -.01em; }
.sl-menu-title small { margin-left: 8px; font-size: 10px; font-weight: 600; letter-spacing: .28em; text-transform: uppercase; color: var(--fg-30); }
.sl-menu-rule { height: 1px; margin: 0 20px; background: linear-gradient(90deg, rgba(34,211,238,.4), rgba(255,255,255,.1), rgba(163,230,53,.4)); }
.sl-menu-card { margin: 16px 16px 4px; border: 1px solid var(--line-15); background: var(--fill-4); border-radius: var(--r-lg); padding: 14px 16px; }
.sl-menu-card .sl-row { display: flex; align-items: center; gap: 12px; }
.sl-menu-card .sl-name { font-size: 14px; font-weight: 800; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sl-menu-card .sl-role { margin-top: 2px; font-size: 11px; font-weight: 700; color: var(--lift); letter-spacing: .04em; }
.sl-menu-card .sl-gate-title { font-size: 14px; font-weight: 800; }
.sl-menu-card .sl-gate-note { margin-top: 4px; font-size: 12px; line-height: 1.5; color: var(--fg-60); }
.sl-menu-card .sl-actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.sl-menu-nav { padding: 6px 12px 8px; }
.sl-menu-label { padding: 16px 12px 6px; font-size: 10px; font-weight: 600; letter-spacing: .3em; text-transform: uppercase; color: var(--fg-30); }
.sl-menu-link { display: flex; align-items: center; gap: 14px; padding: 10px 12px; border-radius: 12px; text-decoration: none; color: var(--fg); font-size: 15px; font-weight: 700; letter-spacing: -.01em; transition: background .15s; }
.sl-menu-link:hover { background: rgba(255,255,255,.05); }
.sl-menu-link .sl-flag { font-size: 26px; line-height: 1; width: 34px; text-align: center; flex: none; }
.sl-menu-link .sl-link-text { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.sl-menu-link .sl-link-text small { font-size: 12px; font-weight: 500; color: var(--fg-45); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sl-menu-link .sl-pill { flex: none; font-size: 9px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--fg-45); border: 1px solid var(--line-15); border-radius: 999px; padding: 3px 8px; }
.sl-menu-link.is-soon { opacity: .55; }
/* Raf başlığı (menüde kurslar kategoriye göre gruplu; başlık raf sayfasına /<slug>/ gider) */
.sl-menu-group { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin: 10px 12px 4px; padding-bottom: 7px; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--fg-80); font-size: 12.5px; font-weight: 800; letter-spacing: .01em; transition: color .15s; }
.sl-menu-group:hover, .sl-menu-group[aria-current="page"] { color: var(--fg); }
.sl-menu-group[aria-current="page"] > span::after { content: "•"; color: var(--lift); margin-left: 2px; }
.sl-menu-group > span { display: inline-flex; align-items: center; gap: 8px; min-width: 0; }
.sl-menu-group > span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--grad); flex: none; }
.sl-menu-group small { flex: none; font-size: 10px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--fg-45); white-space: nowrap; }
#sl-menu-courses > .sl-menu-group:first-child { margin-top: 2px; }
.sl-menu-arrow { color: var(--fg-30); font-size: 14px; transition: transform .15s, color .15s; }
.sl-menu-link:hover .sl-menu-arrow { transform: translateX(2px); color: var(--fg-60); }
.sl-menu-family svg { flex: none; }
.sl-menu-family-text { flex: 1; display: flex; flex-direction: column; }
.sl-menu-family-text b { font-size: 15px; font-weight: 900; }
.sl-menu-family-text small { font-size: 12px; font-weight: 500; color: var(--fg-45); }
.sl-menu-foot { display: flex; flex-direction: column; align-items: center; gap: 6px; margin: 8px 20px 0; padding-top: 14px; border-top: 1px solid var(--line); font-size: 10px; font-weight: 600; letter-spacing: .32em; text-transform: uppercase; color: var(--fg-45); }
.sl-stagger { opacity: 0; transform: translateY(-10px); transition: opacity .3s, transform .3s; }
.sl-menu.is-open .sl-stagger { opacity: 1; transform: none; }
body.sl-lock { overflow: hidden; }

/* ── Kayıt penceresi + form ─────────────────────────────── */
.sl-dialog { position: fixed; inset: 0; z-index: 60; display: none; align-items: center; justify-content: center; padding: 16px; }
.sl-dialog.is-open { display: flex; }
.sl-dialog-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.7); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.sl-dialog-card { position: relative; width: min(460px, 100%); max-height: 100%; overflow-y: auto; background: var(--ink); border: 1px solid var(--line-15); border-radius: var(--r-2xl); padding: 28px 24px 24px; box-shadow: 0 30px 90px rgba(0,0,0,.6), 0 0 60px rgba(34,211,238,.08); animation: sl-pop .22s ease-out; }
@keyframes sl-pop { from { opacity: 0; transform: translateY(10px) scale(.98); } to { opacity: 1; transform: none; } }
.sl-dialog-close { position: absolute; top: 14px; right: 14px; }

.sl-form-head { margin-bottom: 18px; padding-right: 36px; }
.sl-form-kicker { font-size: 10px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--fg-45); margin-bottom: 8px; }
.sl-form-title { font-size: 22px; font-weight: 900; letter-spacing: -.02em; line-height: 1.15; }
.sl-form-sub { margin-top: 6px; font-size: 13.5px; color: var(--fg-60); line-height: 1.55; }
.sl-field { display: block; margin-bottom: 12px; }
.sl-field span.sl-label { display: block; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--fg-45); margin-bottom: 6px; }
.sl-input { width: 100%; background: var(--fill-4); border: 1px solid var(--line-15); border-radius: var(--r-md); color: var(--fg); padding: 12px 14px; font-size: 16px; font-family: inherit; outline: none; transition: border-color .15s, background .15s; }
.sl-input::placeholder { color: var(--fg-30); }
.sl-input:focus { border-color: rgba(34,211,238,.6); background: var(--fill-6); }
.sl-field.is-error .sl-input { border-color: rgba(248,113,113,.7); }
.sl-check { display: flex; gap: 10px; align-items: flex-start; font-size: 12.5px; line-height: 1.5; color: var(--fg-60); cursor: pointer; margin: 4px 0 16px; }
.sl-check input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--lift); flex: none; }
.sl-check a { color: var(--fg-80); text-decoration: underline; text-underline-offset: 2px; }
.sl-check.is-error { color: var(--danger); }
.sl-form-err { display: none; margin: -6px 0 12px; font-size: 13px; color: var(--danger); font-weight: 600; }
.sl-form-err.is-on { display: block; }
.sl-form-foot { margin-top: 12px; font-size: 11.5px; color: var(--fg-45); text-align: center; }
.sl-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.sl-form-done { text-align: center; padding: 10px 0 4px; }
.sl-form-done .sl-avatar { width: 56px; height: 56px; font-size: 20px; margin: 0 auto 14px; }
.sl-form-done h3 { font-size: 22px; font-weight: 900; letter-spacing: -.02em; }
.sl-form-done p { margin-top: 6px; font-size: 14px; color: var(--fg-60); }
.sl-form-done .sl-actions { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }

@media (prefers-reduced-motion: reduce) {
  .sl-menu-panel, .sl-menu-backdrop, .sl-stagger { transition: none; }
  .sl-dialog-card { animation: none; }
  html { scroll-behavior: auto; }
}

/* ── Footer (partials/footer.html; ana sayfa, raf ve kurs sayfaları) — semsera.com: üst çizgi, sönük metin ── */
.foot { border-top: 1px solid var(--line); background: var(--black); }
.foot-in { max-width: 1152px; margin: 0 auto; padding: 32px 24px 18px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.foot-brand { display: flex; flex-direction: column; gap: 4px; }
.foot-sub { font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-45); }
.foot-links { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; font-weight: 600; }
.foot-links a { color: var(--fg-60); text-decoration: none; }
.foot-links a:hover { color: var(--lift); }
.foot-note { max-width: 1152px; margin: 0 auto; padding: 0 24px 28px; font-size: 11.5px; line-height: 1.6; color: var(--fg-30); }
/* Katkıda bulunanlar: üç katman, hiyerarşi punto ve renkle okunur — Bekircan Tahberer (en belirgin) → semsEra → sponsorlar
   (küçük punto, tek satır; işi gölgelemez). Etiket sütunu sabit genişlikte ki satırlar hizalansın. */
.foot-credits { max-width: 1152px; margin: 0 auto; padding: 18px 24px 22px; }
.foot-credits::before { content: ""; display: block; height: 1px; margin-bottom: 18px; background: var(--line); }
.foot-credits-title { font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-45); margin-bottom: 12px; }
.foot-credits-list { display: grid; gap: 10px; }
.foot-credit { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 2px 20px; align-items: baseline; }
.foot-credit dt { font-size: 10.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-30); }
.foot-credit dd { min-width: 0; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.foot-credit-name { text-decoration: none; color: var(--fg-80); font-size: 14px; font-weight: 700; letter-spacing: -.01em; transition: color .15s; }
.foot-credit-name:hover { color: var(--lift); }
.foot-credit-note { font-size: 12px; color: var(--fg-45); }
.foot-credit-author .foot-credit-name { font-size: 16px; font-weight: 800; color: var(--fg); }
.foot-credit-sponsors .foot-credit-names { white-space: nowrap; color: var(--fg-30); }
.foot-credit-sponsors .foot-credit-name { font-size: 12.5px; font-weight: 600; color: var(--fg-60); }
.foot-credit-sponsors .foot-credit-note { font-size: 11.5px; color: var(--fg-30); }
@media (max-width: 640px) { .foot-credit { grid-template-columns: minmax(0, 1fr); } .foot-credits-list { gap: 14px; } }

/* Doğrulama bileşeni (shared/verify.js) — Profilim ve oynatıcı doğrulama ekranında */
.sl-verify { display: grid; gap: 12px; }
.sl-verify-title { font-size: 16px; font-weight: 800; color: var(--fg); letter-spacing: -.01em; }
.sl-verify-sub { font-size: 13px; line-height: 1.6; color: var(--fg-60); }
.sl-verify-send { display: flex; gap: 8px; flex-wrap: wrap; }
.sl-verify-msg { font-size: 12.5px; color: var(--fg-60); min-height: 1em; }
.sl-verify-form { display: grid; gap: 10px; max-width: 320px; }
.sl-verify-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.sl-code { font-size: 22px; letter-spacing: .4em; text-align: center; font-variant-numeric: tabular-nums; }
.sl-verify-done .pf-badge { font-size: 13px; padding: 6px 12px; }
.pf-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; letter-spacing: .04em; border: 1px solid var(--line-15); border-radius: 999px; padding: 3px 9px; color: var(--fg-60); }
.pf-badge.is-ok { color: var(--ok); border-color: rgba(163,230,53,.4); }
.pf-badge.is-warn { color: #FBBF24; border-color: rgba(251,191,36,.4); }