/* ──────────────────────────────────────────────────────────────────────
   toprak.run · ECMAScript® 2027 Dil Belirtimi
   Spec okuma stili: koyu zemin, uzun-form prose, hiyerarşik başlıklar,
   yan TOC, kod blokları, NOT/UYARI callout'ları.
   ────────────────────────────────────────────────────────────────────── */

:root {
    --ec-bg: #0e0e10;
    --ec-paper: #15151a;
    --ec-paper-2: #1b1b21;
    --ec-border: #2a2a32;
    --ec-border-faint: #1f1f26;
    --ec-fg: #ececf1;
    --ec-fg-2: #c8c8d2;
    --ec-muted: #8a8a96;
    --ec-dim: #5e5e6a;
    /* spec aksanı: turuncu/amber — ECMA-262 metni için sıcak ton */
    --ec-accent: #f0b35a;
    --ec-accent-2: #ffd28c;
    --ec-link: #6aa8ff;
    --ec-link-hover: #9fc4ff;
    --ec-green: #6cc66c;
    --ec-pink: #ff7fa1;
    --ec-mono: 'SF Mono', 'JetBrains Mono', ui-monospace, 'Menlo', Consolas, monospace;
    --ec-serif: 'Source Serif Pro', 'Source Serif 4', 'Iowan Old Style', 'Charter', Cambria, Georgia, serif;
    --ec-sans: -apple-system, BlinkMacSystemFont, 'Inter', 'SF Pro Text', 'Segoe UI', system-ui, sans-serif;
}

body.ec-body {
    background:
        radial-gradient(ellipse 60% 50% at 50% -10%, rgba(240, 179, 90, 0.07), transparent 60%),
        radial-gradient(ellipse 70% 50% at 90% 0%, rgba(106, 168, 255, 0.05), transparent 55%),
        var(--ec-bg);
    background-attachment: fixed;
    color: var(--ec-fg);
    font-family: var(--ec-sans);
    font-size: 15px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* Site header koyu-cam */
body.ec-body .site-header {
    background: rgba(14, 14, 16, 0.72);
    border-bottom: 1px solid var(--ec-border-faint);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
}
body.ec-body .site-header .logo-text { color: var(--ec-fg); }
body.ec-body .site-header .nav-link { color: var(--ec-muted); }
body.ec-body .site-header .nav-link:hover { color: var(--ec-accent); }

/* ── shell + geri linki ────────────────────────────────────────────── */
.ec-shell {
    max-width: 1280px;
    margin: 36px auto 96px;
    padding: 0 24px;
}
.ec-back {
    display: inline-block;
    color: var(--ec-muted);
    text-decoration: none;
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 18px;
    transition: color .15s;
}
.ec-back:hover { color: var(--ec-accent); }

/* ── İNDEKS: hero + TOC grupları ───────────────────────────────────── */
.ec-hero { margin: 8px 0 28px; max-width: 880px; }
.ec-spec-mark {
    display: inline-block;
    font-family: var(--ec-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ec-accent);
    border: 1px solid rgba(240,179,90,0.35);
    padding: 3px 10px;
    border-radius: 4px;
    margin-bottom: 18px;
}
.ec-hero-title {
    font-family: var(--ec-serif);
    font-weight: 700;
    font-size: clamp(34px, 5vw, 56px);
    line-height: 1.08;
    letter-spacing: -0.02em;
    margin: 8px 0 14px;
    color: var(--ec-fg);
}
.ec-hero-title .ec-r { color: var(--ec-accent); font-size: 0.55em; vertical-align: super; margin: 0 4px; }
.ec-hero-title .ec-dim { color: var(--ec-dim); font-weight: 400; }
.ec-hero-tagline {
    color: var(--ec-fg-2);
    font-size: 16px;
    line-height: 1.7;
    max-width: 70ch;
    margin: 0;
}
.ec-hero-tagline .ec-hl { color: var(--ec-accent-2); font-weight: 600; }

.ec-toc { display: grid; gap: 22px; margin-top: 30px; }
.ec-toc-group {
    background: var(--ec-paper);
    border: 1px solid var(--ec-border);
    border-radius: 10px;
    padding: 18px 22px 16px;
}
.ec-toc-group-head {
    font-family: var(--ec-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ec-muted);
    margin: 0 0 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--ec-border-faint);
    display: flex; align-items: baseline; gap: 10px;
}
.ec-toc-group-count {
    margin-left: auto;
    color: var(--ec-dim);
    font-weight: 400;
}
.ec-toc-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2px 18px;
}
.ec-toc-entry {
    display: flex; align-items: baseline; gap: 10px;
    padding: 6px 6px;
    text-decoration: none;
    border-radius: 4px;
    border-left: 2px solid transparent;
    transition: background .1s, border-color .1s;
}
.ec-toc-entry:hover {
    background: rgba(240, 179, 90, 0.06);
    border-left-color: var(--ec-accent);
}
.ec-toc-num {
    color: var(--ec-accent);
    font-family: var(--ec-mono);
    font-size: 12px;
    font-weight: 600;
    min-width: 38px;
    flex-shrink: 0;
}
.ec-toc-title {
    color: var(--ec-fg-2);
    font-size: 14px;
}
.ec-toc-entry:hover .ec-toc-title { color: var(--ec-fg); }

.ec-foot-note {
    margin-top: 32px;
    color: var(--ec-muted);
    font-size: 13px;
}
.ec-foot-note a { color: var(--ec-link); text-decoration: none; border-bottom: 1px solid rgba(106,168,255,0.3); }
.ec-foot-note a:hover { color: var(--ec-link-hover); border-bottom-color: var(--ec-link); }

/* ── OKUYUCU: layout (paper + sidebar) ──────────────────────────────── */
.ec-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 40px;
    align-items: start;
}
.ec-paper {
    background: var(--ec-paper);
    border: 1px solid var(--ec-border);
    border-radius: 12px;
    padding: 36px 44px 36px;
    min-width: 0;
}
.ec-paper-head {
    border-bottom: 1px solid var(--ec-border);
    padding-bottom: 18px;
    margin-bottom: 24px;
}
.ec-paper-num {
    font-family: var(--ec-mono);
    font-size: 13px;
    color: var(--ec-accent);
    letter-spacing: 0.08em;
    margin: 14px 0 6px;
}
.ec-paper-title {
    font-family: var(--ec-serif);
    font-size: clamp(28px, 3.5vw, 38px);
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.15;
    color: var(--ec-fg);
    margin: 0;
}

/* ── content: prose tipografisi ─────────────────────────────────────── */
.ec-content {
    color: var(--ec-fg-2);
    font-family: var(--ec-serif);
    font-size: 16.5px;
    line-height: 1.75;
}
.ec-content p { margin: 0 0 1.05em; }
.ec-content p:first-child { margin-top: 0; }
.ec-content strong { color: var(--ec-fg); font-weight: 700; }
.ec-content em { color: var(--ec-fg); font-style: italic; }

/* Başlık hiyerarşisi */
.ec-content h2, .ec-content h3, .ec-content h4, .ec-content h5, .ec-content h6 {
    font-family: var(--ec-serif);
    color: var(--ec-fg);
    line-height: 1.2;
    margin: 2.4em 0 0.7em;
    scroll-margin-top: 24px;
    position: relative;
}
.ec-content h2 { font-size: 1.65em; font-weight: 700; padding-bottom: 8px; border-bottom: 1px solid var(--ec-border-faint); }
.ec-content h3 { font-size: 1.32em; font-weight: 700; color: var(--ec-accent-2); }
.ec-content h4 { font-size: 1.12em; font-weight: 600; }
.ec-content h5 { font-size: 1em; font-weight: 600; color: var(--ec-fg-2); text-transform: none; }
.ec-content h6 { font-size: 0.95em; font-weight: 600; color: var(--ec-muted); }

.ec-content .ec-anchor {
    position: absolute;
    left: -22px;
    color: var(--ec-dim);
    text-decoration: none;
    font-weight: 400;
    opacity: 0;
    transition: opacity .12s;
}
.ec-content h2:hover .ec-anchor,
.ec-content h3:hover .ec-anchor,
.ec-content h4:hover .ec-anchor,
.ec-content h5:hover .ec-anchor,
.ec-content h6:hover .ec-anchor { opacity: 1; }
.ec-content .ec-anchor:hover { color: var(--ec-accent); }
.ec-content .ec-aid { display: none; }

/* Linkler */
.ec-content a {
    color: var(--ec-link);
    text-decoration: none;
    border-bottom: 1px solid rgba(106,168,255,0.25);
    transition: color .12s, border-color .12s;
}
.ec-content a:hover { color: var(--ec-link-hover); border-bottom-color: var(--ec-link); }

/* Listeler */
.ec-content ul, .ec-content ol { padding-left: 24px; margin: 0 0 1.1em; }
.ec-content li { margin: 0.45em 0; }
.ec-content ul li::marker { color: var(--ec-dim); }
.ec-content ol li::marker { color: var(--ec-muted); }
.ec-content li > p { margin: 0 0 0.5em; }
.ec-content li > p:last-child { margin-bottom: 0; }

/* Inline code & code blocks */
.ec-content code {
    font-family: var(--ec-mono);
    background: var(--ec-paper-2);
    border: 1px solid var(--ec-border-faint);
    border-radius: 4px;
    padding: 1px 6px;
    font-size: 0.87em;
    color: var(--ec-accent-2);
}
.ec-content pre {
    background: #0a0a0c;
    border: 1px solid var(--ec-border);
    border-radius: 8px;
    padding: 16px 18px;
    overflow-x: auto;
    margin: 1.3em 0;
    line-height: 1.55;
}
.ec-content pre code {
    background: none;
    border: none;
    padding: 0;
    color: var(--ec-fg-2);
    font-size: 13px;
    display: block;
}

/* sub/sup spec'te sık */
.ec-content sub, .ec-content sup { font-size: 0.72em; line-height: 1; }

/* Tablolar */
.ec-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.4em 0;
    font-size: 14.5px;
}
.ec-content th, .ec-content td {
    border: 1px solid var(--ec-border);
    padding: 8px 12px;
    text-align: left;
    vertical-align: top;
}
.ec-content th {
    background: var(--ec-paper-2);
    color: var(--ec-fg);
    font-weight: 700;
}

/* Blockquote (yedek; callout dönüşüme uğramayan kalanlar) */
.ec-content blockquote {
    border-left: 3px solid var(--ec-accent);
    background: rgba(240, 179, 90, 0.05);
    padding: 10px 18px;
    margin: 1.3em 0;
    color: var(--ec-fg-2);
    border-radius: 0 6px 6px 0;
}
.ec-content blockquote p:last-child { margin-bottom: 0; }

/* Yatay çizgi */
.ec-content hr {
    border: none;
    border-top: 1px solid var(--ec-border-faint);
    margin: 1.8em 0;
}

/* ── callout (NOT, UYARI, …) ─────────────────────────────────────── */
.ec-callout {
    margin: 1.5em 0;
    padding: 14px 18px;
    border-left: 3px solid var(--ec-link);
    background: rgba(106, 168, 255, 0.06);
    border-radius: 0 8px 8px 0;
}
.ec-callout-label {
    font-family: var(--ec-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ec-link);
    margin-bottom: 6px;
}
.ec-callout-body p { margin: 0 0 0.5em; }
.ec-callout-body p:last-child { margin-bottom: 0; }
.ec-callout-warning { border-left-color: var(--ec-pink); background: rgba(255, 127, 161, 0.07); }
.ec-callout-warning .ec-callout-label { color: var(--ec-pink); }
.ec-callout-tip { border-left-color: var(--ec-green); background: rgba(108, 198, 108, 0.07); }
.ec-callout-tip .ec-callout-label { color: var(--ec-green); }
.ec-callout-important { border-left-color: var(--ec-accent); background: rgba(240, 179, 90, 0.07); }
.ec-callout-important .ec-callout-label { color: var(--ec-accent); }
.ec-callout-caution { border-left-color: var(--ec-pink); background: rgba(255, 127, 161, 0.07); }
.ec-callout-caution .ec-callout-label { color: var(--ec-pink); }

/* ── prev/next sayfa navigasyonu ──────────────────────────────────── */
.ec-pagenav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 44px;
    padding-top: 22px;
    border-top: 1px solid var(--ec-border);
}
.ec-pagenav a {
    display: flex; flex-direction: column;
    text-decoration: none;
    padding: 14px 16px;
    border: 1px solid var(--ec-border);
    border-radius: 8px;
    background: var(--ec-paper-2);
    transition: all .12s;
    color: var(--ec-fg-2);
    min-width: 0;
}
.ec-pagenav a:hover { border-color: var(--ec-accent); background: rgba(240, 179, 90, 0.05); }
.ec-pagenav .ec-next { text-align: right; align-items: flex-end; }
.ec-pagenav .lbl {
    font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--ec-dim); margin-bottom: 5px;
}
.ec-pagenav .ttl { color: var(--ec-fg); font-weight: 600; font-size: 14px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }

/* ── sidebar TOC ──────────────────────────────────────────────────── */
.ec-sidebar {
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 100px);
    overflow: auto;
}
.ec-sidebar-inner { padding: 0 4px 0 0; }
.ec-toc-head {
    font-family: var(--ec-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ec-muted);
    margin: 0 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--ec-border-faint);
}
.ec-toc-side { display: flex; flex-direction: column; gap: 1px; }
.ec-toc-side a {
    display: block;
    text-decoration: none;
    color: var(--ec-muted);
    font-size: 12.5px;
    line-height: 1.45;
    padding: 5px 8px;
    border-left: 2px solid transparent;
    transition: color .1s, border-color .1s, background .1s;
}
.ec-toc-side a:hover { color: var(--ec-fg); background: rgba(255,255,255,0.02); }
.ec-toc-side a.is-active {
    color: var(--ec-accent);
    border-left-color: var(--ec-accent);
}
.ec-toc-side .ec-toc-3 { padding-left: 18px; font-size: 12px; color: var(--ec-dim); }

/* ── responsive ───────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .ec-layout { grid-template-columns: 1fr; }
    .ec-sidebar { position: static; max-height: none; order: -1; margin-bottom: 8px; }
    .ec-sidebar-inner { padding: 12px 16px; background: var(--ec-paper); border: 1px solid var(--ec-border); border-radius: 8px; }
}
@media (max-width: 720px) {
    .ec-shell { margin: 24px auto 70px; padding: 0 14px; }
    .ec-paper { padding: 24px 18px; }
    .ec-pagenav { grid-template-columns: 1fr; }
    .ec-pagenav .ec-next { text-align: left; align-items: flex-start; }
    .ec-content .ec-anchor { left: -16px; }
    .ec-toc-list { grid-template-columns: 1fr; }
}

/* Footer karanlık tema */
body.ec-body .site-footer {
    background: var(--ec-bg);
    border-top: 1px solid var(--ec-border-faint);
}
body.ec-body .site-footer .footer-brand { color: var(--ec-fg); }
body.ec-body .site-footer .footer-desc { color: var(--ec-muted); }
body.ec-body .site-footer .footer-contact a { color: var(--ec-link); }

/* ===== Açık tema ===== */
/* Kehribar Mürekkebi: yerel --ec-* tokenları kâğıt paletine çevrilir;
   var() kullanan tüm kurallar otomatik döner. Kod (pre) kutuları sıcak
   koyu ada olarak kalır. */
html[data-theme="light"] {
    --ec-bg: #f8f5ee;
    --ec-paper: #fffdf8;
    --ec-paper-2: #f3eee2;
    --ec-border: rgba(31, 26, 18, 0.12);
    --ec-border-faint: rgba(31, 26, 18, 0.07);
    --ec-fg: #1c1814;
    --ec-fg-2: #292521;
    --ec-muted: #5b5345;
    --ec-dim: #6b6253;       /* #99917e metinde AA altı (2.9:1); .lbl/.ec-toc-3 gerçek metin */
    --ec-accent: #92400e;
    --ec-accent-2: #78350f;  /* krem vurgu → bronz */
    --ec-link: #1d4ed8;
    --ec-link-hover: #1e40af;
    --ec-green: #166534;
    --ec-pink: #b91c1c;      /* pembe kimlik → kırmızı mürekkep */
}

/* Zemin: koyu glow gradyanları yerine hafif kehribar/arşiv tinti */
html[data-theme="light"] body.ec-body {
    background:
        radial-gradient(ellipse 60% 50% at 50% -10%, rgba(180, 83, 9, 0.06), transparent 60%),
        radial-gradient(ellipse 70% 50% at 90% 0%, rgba(68, 83, 127, 0.05), transparent 55%),
        var(--ec-bg);
    background-attachment: fixed;
}

/* Header: koyu cam → kâğıt camı */
html[data-theme="light"] body.ec-body .site-header {
    background: rgba(248, 245, 238, 0.82);
    border-bottom: 1px solid var(--ec-border-faint);
}

/* Sabit alfalı amber/mavi kalıntıları */
html[data-theme="light"] .ec-spec-mark {
    border-color: rgba(146, 64, 14, 0.40);
}
html[data-theme="light"] .ec-toc-entry:hover {
    background: rgba(146, 64, 14, 0.06);
}
html[data-theme="light"] .ec-foot-note a {
    border-bottom-color: rgba(29, 78, 216, 0.30);
}
html[data-theme="light"] .ec-content a {
    border-bottom-color: rgba(29, 78, 216, 0.30);
}
html[data-theme="light"] .ec-content blockquote {
    background: rgba(146, 64, 14, 0.05);
}
html[data-theme="light"] .ec-pagenav a:hover {
    background: rgba(146, 64, 14, 0.05);
}
html[data-theme="light"] .ec-toc-side a:hover {
    background: rgba(31, 26, 18, 0.05);
}

/* Callout zeminleri: koyu tema alfaları ışıkta mürekkep tonlarına */
html[data-theme="light"] .ec-callout {
    background: rgba(29, 78, 216, 0.05);
}
html[data-theme="light"] .ec-callout-warning,
html[data-theme="light"] .ec-callout-caution {
    background: rgba(185, 28, 28, 0.05);
}
html[data-theme="light"] .ec-callout-tip {
    background: rgba(22, 101, 52, 0.05);
}
html[data-theme="light"] .ec-callout-important {
    background: rgba(146, 64, 14, 0.06);
}

/* Kod blokları: ışıkta sıcak koyu ada — grammar/production okunaklı kalsın */
html[data-theme="light"] .ec-content pre {
    background: #1d1a14;
    border-color: transparent;
    box-shadow:
        0 0 0 1px rgba(31, 26, 18, 0.06),
        0 10px 24px -14px rgba(31, 26, 18, 0.30);
}
/* Ada içi metin token bağımlı (--ec-fg-2 ışıkta mürekkebe döner): koyu değere geri sabitle */
html[data-theme="light"] .ec-content pre code {
    color: #c8c8d2;
}