/* ======================================================================
   E-Kitap — arşiv listesi + premium okuyucu. Saf CSS; sayfalama JS ile.
   ====================================================================== */

/* ---------- Arşiv (kütüphane) ---------- */
.ek-page { max-width: 1080px; margin: 0 auto; padding: clamp(28px, 5vw, 52px) 20px 72px; }
.ek-archive-head { text-align: center; }
.ek-archive-title { font-family: var(--font-display, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif); font-size: clamp(1.8rem, 5vw, 2.6rem); line-height: 1.1; margin: 0 0 12px; color: var(--ink, #211d1a); }
.ek-archive-sub { color: var(--ink-soft, #5c554f); max-width: 60ch; margin: 0 auto; }
.ek-pagination { margin-top: 44px; text-align: center; }
.ek-pagination .page-numbers { display: inline-flex; min-width: 40px; height: 40px; align-items: center; justify-content: center; padding: 0 12px; margin: 0 3px; border-radius: 10px; border: 1px solid var(--line, #e8e2da); color: var(--ink, #211d1a); font-weight: 600; text-decoration: none; }
.ek-pagination .page-numbers.current { background: var(--ink, #211d1a); color: #fff; border-color: var(--ink, #211d1a); }
.ek-pagination a.page-numbers:hover { border-color: var(--accent, #b3501e); color: var(--accent, #b3501e); }
.ek-eyebrow { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--accent, #b3501e); margin-bottom: 8px; }
.ek-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 30px 24px; margin-top: 26px; }
.ek-section-title { font-family: var(--font-display, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif); font-size: clamp(1.3rem, 3.4vw, 1.7rem); font-weight: 600; color: var(--ink, #211d1a); text-align: center; margin: 58px 0 6px; }
.ek-section-title:first-of-type { margin-top: 14px; }
.ek-section-title::after { content: ""; display: block; width: 40px; height: 3px; background: var(--accent, #b3501e); border-radius: 2px; margin: 12px auto 0; }
.ek-section-title + .ek-grid { margin-top: 22px; }
.ek-card { display: flex; flex-direction: column; gap: 12px; }
.ek-card-cover { position: relative; display: block; aspect-ratio: 2 / 3; border-radius: 12px; overflow: hidden; background: #fff; border: 1px solid var(--line, #e8e2da); box-shadow: 0 2px 4px rgba(33,29,26,.08), 0 14px 30px rgba(33,29,26,.12); transition: transform .22s ease, box-shadow .22s ease; }
.ek-card-cover img { width: 100%; height: 100%; object-fit: cover; }
.ek-cover-ph { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; font-family: var(--font-display, Georgia, serif); font-size: 3.4rem; color: var(--accent, #b3501e); background: linear-gradient(160deg, #faf8f5, #fff); }
.ek-card-read { position: absolute; left: 50%; bottom: 12px; transform: translate(-50%, 8px); opacity: 0; background: var(--accent, #b3501e); color: #fff; font-size: 13px; font-weight: 600; padding: 7px 16px; border-radius: 999px; white-space: nowrap; transition: opacity .2s ease, transform .2s ease; }
.ek-card-cover:hover { transform: translateY(-4px); box-shadow: 0 6px 12px rgba(33,29,26,.12), 0 22px 48px rgba(33,29,26,.2); }
.ek-card-cover:hover .ek-card-read, .ek-card-cover:focus-visible .ek-card-read { opacity: 1; transform: translate(-50%, 0); }
.ek-card-title { font-size: 1.02rem; line-height: 1.3; margin: 0; }
.ek-card-title a { color: var(--ink, #211d1a); }
.ek-card-author { font-size: 13px; color: var(--ink-soft, #5c554f); margin: 2px 0 0; }
.ek-empty { text-align: center; padding: 60px 0; color: var(--ink-soft, #5c554f); }

/* ======================================================================
   Okuyucu — tam ekran kaplama
   ====================================================================== */
body.ek-reading { margin: 0; overflow: hidden; }

.ek-reader {
	--ek-bg: #faf8f5; --ek-paper: #ffffff; --ek-ink: #232019; --ek-soft: #6b6056; --ek-line: #e8e2da; --ek-accent: #b3501e;
	--ek-fs: 1.18rem; --ek-lh: 1.62; --ek-ff: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
	--ek-bar: 52px; --ek-foot: 40px; --ek-gap: 56px; --ek-cols: 1;
	position: fixed; inset: 0; z-index: 99999; display: flex; flex-direction: column;
	background: var(--ek-bg); color: var(--ek-ink);
	font-family: var(--ek-ff); -webkit-font-smoothing: antialiased;
}
.ek-reader[data-ff="sans"] { --ek-ff: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
.ek-reader[data-ek-theme="sepia"] { --ek-bg: #f1e7d0; --ek-paper: #f7eeda; --ek-ink: #4a3f2c; --ek-soft: #7a6c52; --ek-line: #e3d6ba; }
.ek-reader[data-ek-theme="gray"]  { --ek-bg: #e7e7e9; --ek-paper: #f1f1f2; --ek-ink: #2a2a2d; --ek-soft: #5f5f64; --ek-line: #d3d3d7; }
.ek-reader[data-ek-theme="dark"]  { --ek-bg: #131210; --ek-paper: #1c1a16; --ek-ink: #d9d0c2; --ek-soft: #978d7d; --ek-line: #322e27; --ek-accent: #e2884f; }

/* Üst bar */
.ek-bar { flex: 0 0 var(--ek-bar); display: flex; align-items: center; gap: 6px; padding: 0 8px; border-bottom: 1px solid var(--ek-line); background: color-mix(in srgb, var(--ek-bg) 92%, transparent); backdrop-filter: blur(8px); z-index: 6; }
.ek-bar-title { flex: 1; min-width: 0; text-align: center; font-family: var(--ek-ff); font-size: 15px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--ek-ink); }
.ek-btn { display: inline-flex; align-items: center; justify-content: center; border: 0; background: transparent; color: var(--ek-ink); cursor: pointer; border-radius: 10px; }
.ek-btn-icon { width: 40px; height: 40px; flex: 0 0 40px; }
.ek-btn-icon:hover { background: color-mix(in srgb, var(--ek-ink) 9%, transparent); }
.ek-aa { font-family: var(--ek-ff); font-weight: 600; font-size: 17px; line-height: 1; }
.ek-aa small { font-size: 12px; }

/* Sahne = "masa"; sayfa = ortada duran kâğıt yaprak */
.ek-stage { position: relative; flex: 1; min-height: 0; display: flex; align-items: stretch; justify-content: center; padding: clamp(8px, 2.2vh, 24px) 0; }
/* Sayfa numaraları (folio) — kitap gibi, sayfa alt-dış köşelerinde; JS dinamik doldurur */
.ek-folio { position: absolute; bottom: clamp(9px, 2.3vh, 20px); font-size: 12.5px; letter-spacing: .06em; color: var(--ek-soft); opacity: .66; font-variant-numeric: tabular-nums; pointer-events: none; user-select: none; z-index: 4; }
.ek-folio-left { left: 8%; }
.ek-folio-right { right: 8%; }
.ek-folio:empty { display: none; }
[data-cols="1"] .ek-folio-left { left: 50%; transform: translateX(-50%); }
[data-cols="1"] .ek-folio-right { display: none; }
.ek-viewport {
	position: relative; min-width: 0; overflow: hidden; perspective: 2200px;
	width: 100%; max-width: var(--ek-pagew, 660px);
	background: var(--ek-paper);
	border: 1px solid color-mix(in srgb, var(--ek-ink) 8%, transparent);
	border-radius: 6px;
	box-shadow: 0 1px 0 rgba(255,255,255,.35) inset, 0 10px 26px rgba(0,0,0,.14), 0 30px 60px rgba(0,0,0,.1);
}
/* Çift sayfada orta cilt (spine) gölgesi */
.ek-reader[data-cols="2"] .ek-viewport::before {
	content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 44px; transform: translateX(-50%);
	background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--ek-ink) 10%, transparent) 44%, color-mix(in srgb, var(--ek-ink) 15%, transparent) 50%, color-mix(in srgb, var(--ek-ink) 10%, transparent) 56%, transparent);
	pointer-events: none; z-index: 2;
}
.ek-flow {
	height: 100%; box-sizing: border-box;
	padding: clamp(20px, 4vh, 40px) 0;
	column-fill: auto; column-gap: var(--ek-gap);
	font-size: var(--ek-fs); line-height: var(--ek-lh); color: var(--ek-ink);
	transition: opacity .2s ease;   /* kayma yok; içerik kaybolup tekrar belirir (fade) */
	will-change: opacity;
}

/* Gerçek 3B sayfa kıvrılma — metin taşıyan kâğıt yaprak döner (ön yüz=klon içerik, arka=şeffaf) */
.ek-leaf { position: absolute; top: 0; bottom: 0; z-index: 5; pointer-events: none; transform-style: preserve-3d; }
.ek-leaf.is-single { left: 0; right: 0; transform-origin: left center; }
.ek-leaf.is-double.fwd { left: 50%; right: 0; transform-origin: left center; }
.ek-leaf.is-double.bwd { left: 0; right: 50%; transform-origin: right center; }
.ek-leaf-face { position: absolute; inset: 0; overflow: hidden; backface-visibility: hidden; -webkit-backface-visibility: hidden; background: var(--ek-paper); }
.ek-leaf-back { transform: rotateY(180deg); background: transparent; } /* şeffaf → dik açıyı geçince arkadaki yeni içerik görünür, boş sayfa yok */
.ek-leaf-front > * { position: absolute; top: 0; } /* klon akış; konum JS ile (tek/çift) */
.ek-leaf-front::after { content: ""; position: absolute; inset: 0; pointer-events: none; }
.ek-leaf.fwd .ek-leaf-front::after { background: linear-gradient(90deg, rgba(0,0,0,.15), transparent 24%); }
.ek-leaf.bwd .ek-leaf-front::after { background: linear-gradient(270deg, rgba(0,0,0,.15), transparent 24%); }
.ek-leaf.turning.fwd { animation: ek-curl-fwd .6s cubic-bezier(.46,.03,.4,1) forwards; }
.ek-leaf.turning.bwd { animation: ek-curl-bwd .6s cubic-bezier(.46,.03,.4,1) forwards; }
@keyframes ek-curl-fwd { from { transform: rotateY(0deg); } to { transform: rotateY(-176deg); } }
@keyframes ek-curl-bwd { from { transform: rotateY(0deg); } to { transform: rotateY(176deg); } } /* geri: eski sol sayfa sağa devrilir */
@media (prefers-reduced-motion: reduce) { .ek-leaf { display: none !important; } }
/* Okuma tipografisi */
.ek-flow p { margin: 0 0 1em; text-align: justify; hyphens: auto; -webkit-hyphens: auto; }
.ek-flow h1, .ek-flow h2, .ek-flow h3 { font-family: var(--ek-ff); line-height: 1.25; margin: 1.4em 0 .6em; color: var(--ek-ink); break-after: avoid; }
.ek-flow h2 { font-size: 1.35em; } .ek-flow h3 { font-size: 1.15em; }
.ek-flow img { max-width: 100%; height: auto; border-radius: 6px; }
.ek-flow blockquote { margin: 1.2em 0; padding-left: 1em; border-left: 3px solid var(--ek-accent); color: var(--ek-soft); font-style: italic; }
.ek-flow a { color: var(--ek-accent); }
.ek-flow hr { border: 0; border-top: 1px solid var(--ek-line); margin: 1.6em 0; }
.ek-flow ::selection { background: color-mix(in srgb, var(--ek-accent) 28%, transparent); }

/* Kapak / başlık sayfası */
.ek-titlepage { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; height: 100%; break-after: column; padding: 0 8%; }
.ek-tp-cover img { max-height: 38vh; width: auto; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,.25); margin-bottom: 26px; }
.ek-tp-title { font-family: var(--ek-ff); font-size: clamp(1.6rem, 5vw, 2.3rem); line-height: 1.15; margin: 0 0 12px; }
.ek-tp-author { font-size: 1.1rem; color: var(--ek-soft); margin: 0 0 6px; }
.ek-tp-meta { font-size: .95rem; color: var(--ek-soft); margin: 2px 0; }
.ek-tp-source { margin-top: 18px; font-size: 12px; letter-spacing: .04em; text-transform: uppercase; color: var(--ek-soft); }

/* Sayfa çevirme alanları (masanın iki kenarında) */
.ek-page-nav { position: absolute; top: 0; bottom: 0; width: clamp(44px, 7vw, 88px); display: flex; align-items: center; justify-content: center; border: 0; background: transparent; color: var(--ek-soft); cursor: pointer; z-index: 5; transition: color .2s ease, background .2s ease; }
.ek-page-nav.ek-prev { left: 0; } .ek-page-nav.ek-next { right: 0; }
.ek-page-nav:hover { color: var(--ek-accent); background: color-mix(in srgb, var(--ek-ink) 5%, transparent); }
.ek-page-nav:disabled { opacity: .22; cursor: default; background: transparent; }

/* Alt bar: ilerleme */
.ek-foot { flex: 0 0 var(--ek-foot); display: flex; align-items: center; gap: 14px; padding: 0 18px; border-top: 1px solid var(--ek-line); background: var(--ek-bg); z-index: 6; }
.ek-progress { flex: 1; height: 5px; border-radius: 99px; background: color-mix(in srgb, var(--ek-ink) 12%, transparent); cursor: pointer; position: relative; }
.ek-progress-bar { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--ek-accent); border-radius: 99px; }
.ek-foot-meta { font-size: 12px; color: var(--ek-soft); font-variant-numeric: tabular-nums; white-space: nowrap; }

/* Paneller (ayar / içindekiler / notlar) */
.ek-panel { position: absolute; top: var(--ek-bar); z-index: 20; background: var(--ek-paper); color: var(--ek-ink); border: 1px solid var(--ek-line); box-shadow: 0 20px 50px rgba(0,0,0,.22); }
.ek-panel-settings { right: 8px; width: min(320px, calc(100vw - 16px)); border-radius: 14px; padding: 8px 16px 16px; }
.ek-panel-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--ek-line); }
.ek-panel-row:last-child { border-bottom: 0; }
.ek-panel-label { font-family: var(--ek-ff); font-size: 14px; color: var(--ek-soft); }
.ek-seg { display: inline-flex; border: 1px solid var(--ek-line); border-radius: 10px; overflow: hidden; }
.ek-seg-btn { border: 0; background: var(--ek-paper); color: var(--ek-ink); padding: 8px 14px; font-size: 14px; cursor: pointer; font-family: inherit; }
.ek-seg-btn + .ek-seg-btn { border-left: 1px solid var(--ek-line); }
.ek-seg-btn:hover { background: color-mix(in srgb, var(--ek-ink) 7%, transparent); }
.ek-seg-btn.is-active { background: var(--ek-accent); color: #fff; }
.ek-themes { display: inline-flex; gap: 8px; }
.ek-theme-dot { width: 28px; height: 28px; border-radius: 50%; border: 2px solid var(--ek-line); cursor: pointer; }
.ek-theme-dot[data-theme="light"] { background: #faf8f5; } .ek-theme-dot[data-theme="sepia"] { background: #f1e7d0; }
.ek-theme-dot[data-theme="gray"] { background: #e7e7e9; } .ek-theme-dot[data-theme="dark"] { background: #1c1a16; }
.ek-theme-dot.is-active { border-color: var(--ek-accent); box-shadow: 0 0 0 2px var(--ek-accent); }

.ek-panel-toc, .ek-panel-notes { left: 8px; bottom: 8px; width: min(360px, calc(100vw - 16px)); border-radius: 14px; padding: 16px 8px 12px; overflow-y: auto; }
.ek-panel-h { font-family: var(--ek-ff); font-size: 15px; margin: 0 0 10px; padding: 0 10px; color: var(--ek-soft); text-transform: uppercase; letter-spacing: .08em; }
.ek-toc-list a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--ek-ink); font-size: 14.5px; line-height: 1.3; text-decoration: none; }
.ek-toc-list a:hover { background: color-mix(in srgb, var(--ek-ink) 7%, transparent); color: var(--ek-accent); }
.ek-toc-list a.lvl-3 { padding-left: 26px; font-size: 13.5px; color: var(--ek-soft); }
.ek-note { display: flex; gap: 10px; padding: 10px 12px; border-radius: 10px; cursor: pointer; }
.ek-note:hover { background: color-mix(in srgb, var(--ek-ink) 6%, transparent); }
.ek-note-swatch { flex: 0 0 6px; border-radius: 99px; align-self: stretch; }
.ek-note-text { font-size: 13.5px; line-height: 1.45; color: var(--ek-ink); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ek-notes-empty { padding: 8px 12px; color: var(--ek-soft); font-size: 13px; }

/* Vurgular (metin içi) */
.ek-flow mark.ek-hl { background: var(--hlc, #ffe27a); color: inherit; border-radius: 2px; padding: 0 .03em; box-decoration-break: clone; -webkit-box-decoration-break: clone; cursor: pointer; }
.ek-flow mark.ek-hl[data-color="underline"] { background: transparent; border-bottom: 2px solid var(--ek-accent); }
.ek-reader[data-ek-theme="dark"] .ek-flow mark.ek-hl { color: #1a1712; }

/* Seçim araç çubuğu */
.ek-hl-toolbar { position: fixed; z-index: 40; display: flex; gap: 6px; padding: 7px; background: var(--ek-paper); border: 1px solid var(--ek-line); border-radius: 12px; box-shadow: 0 10px 28px rgba(0,0,0,.28); transform: translate(-50%, 0); }
.ek-hl-color { width: 24px; height: 24px; border-radius: 50%; border: 1px solid rgba(0,0,0,.12); background: var(--c); cursor: pointer; }
.ek-hl-underline, .ek-hl-remove { width: 28px; height: 24px; border: 0; background: transparent; color: var(--ek-ink); cursor: pointer; border-radius: 6px; font-size: 14px; }
.ek-hl-underline:hover, .ek-hl-remove:hover, .ek-hl-color:hover { outline: 2px solid var(--ek-accent); outline-offset: 1px; }

/* Scrim (panel açıkken arka plan) */
.ek-scrim { position: absolute; inset: 0; z-index: 15; background: transparent; }

/* Görünürlük */
.ek-panel[hidden], .ek-hl-toolbar[hidden], .ek-scrim[hidden] { display: none; }

/* ---------- Mobil ---------- */
@media (max-width: 720px) {
	.ek-reader { --ek-fs: 1.12rem; }
	.ek-page-nav { width: 26%; } /* görünmez dokunma alanı (sayfa kenarları) */
	.ek-page-nav svg { display: none; }
	.ek-bar-title { font-size: 14px; }
}
/* Dar ekranda (dikey telefon) çift sayfa uygulanamaz → düzen seçeneğini gizle */
@media (max-width: 639px) {
	.ek-row-desktop { display: none; }
}
@media (prefers-reduced-motion: reduce) { .ek-flow { transition: none; } }