/* =========================================================
   Kitaplarım sayfası — kütüphane, abonelik ve okuyucu (v2)
   ========================================================= */

/* ---------------- Kütüphane başlığı ---------------- */
.books-hero {
  position: relative; overflow: hidden;
  padding: calc(var(--header-h) + 80px) 0 80px;
  background: linear-gradient(180deg, #fff 0%, var(--soft) 100%);
}
.books-hero .container { position: relative; }
.books-hero h1 { font-family: var(--font-display); font-weight: 800; font-size: clamp(54px, 9vw, 120px); line-height: .95; letter-spacing: -.045em; margin: 18px 0 20px; }
.books-hero h1 span { color: var(--petrol); }
.books-hero p { color: var(--muted); max-width: 600px; font-size: 19px; margin: 0; }

/* ---------------- Raf ---------------- */
.library { padding: 70px 0 120px; }
.shelf { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 34px; }

.book { display: flex; flex-direction: column; gap: 18px; text-align: left; width: 100%; perspective: 1200px; }
.book__cover {
  position: relative; aspect-ratio: 3 / 4.2; border-radius: 6px 16px 16px 6px; overflow: hidden; padding: 30px 26px;
  display: flex; flex-direction: column; justify-content: space-between; color: var(--paper);
  box-shadow: 0 2px 0 rgba(0,0,0,.05), 0 30px 50px -22px rgba(20,24,27,.4);
  transform-origin: left center; transition: transform .8s var(--ease), box-shadow .8s var(--ease);
}
.book__cover::before { /* sırt */
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 14px;
  background: linear-gradient(90deg, rgba(0,0,0,.22), rgba(255,255,255,.14) 60%, transparent);
}
.book__cover::after { /* desen */
  content: ""; position: absolute; right: -60px; bottom: -60px; width: 220px; height: 220px; border-radius: 50%;
  border: 38px solid rgba(255,255,255,.16);
}
.book:hover .book__cover, .book:focus-visible .book__cover { transform: rotateY(-14deg) translateX(6px); box-shadow: 18px 30px 60px -20px rgba(20,24,27,.45); }
.book__cover--teal  { background: linear-gradient(150deg, #0393bd, var(--petrol-deep)); }
.book__cover--coral { background: linear-gradient(150deg, #fbbf24, var(--amber)); color: var(--ink); }
.book__cover--coral::after { border-color: rgba(255,255,255,.3); }
.book__cover--ink   { background: linear-gradient(150deg, var(--ink-3), var(--ink)); }
.book__cover--ink::after { border-color: rgba(245,158,11,.35); }
.book__status { align-self: flex-start; font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; padding: 6px 10px; border-radius: 999px; background: rgba(255,255,255,.2); position: relative; z-index: 1; font-family: var(--font-display); }
.book__cover--coral .book__status { background: rgba(255,255,255,.4); }
.book__title { font-family: var(--font-display); font-weight: 800; font-size: 31px; line-height: 1.04; letter-spacing: -.025em; margin: 0; position: relative; z-index: 1; }
.book__author { font-size: 12.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; opacity: .75; position: relative; z-index: 1; font-family: var(--font-display); }
.book__meta h3 { font-family: var(--font-display); font-weight: 800; font-size: 20px; margin: 0 0 4px; letter-spacing: -.01em; }
.book__meta p { margin: 0 0 10px; color: var(--muted); font-size: 15px; line-height: 1.5; }
.book__meta small { font-size: 13px; font-weight: 700; color: var(--petrol-deep); }

.book-new {
  border: 2px dashed var(--line); border-radius: 16px; aspect-ratio: 3 / 4.2; display: grid; place-items: center; text-align: center;
  color: var(--muted); padding: 30px; font-weight: 600; background: var(--soft);
}
.book-new b { display: block; font-family: var(--font-display); font-size: 48px; color: var(--amber); line-height: 1; margin-bottom: 10px; }

/* ---------------- Abonelik kartı ---------------- */
.subscribe {
  margin-top: 70px; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 56px); align-items: center;
  padding: clamp(28px, 4.5vw, 52px); border-radius: 24px; background: var(--soft); border: 1px solid var(--line);
}
.subscribe h2 { font-family: var(--font-display); font-weight: 800; font-size: clamp(26px, 3.2vw, 38px); line-height: 1.1; letter-spacing: -.03em; margin: 12px 0 10px; }
.subscribe p { margin: 0; color: var(--muted); }
.subscribe__row { display: flex; gap: 10px; background: var(--paper); border: 1px solid var(--line); border-radius: 999px; padding: 6px; }
.subscribe__row:focus-within { border-color: var(--petrol); box-shadow: 0 0 0 4px var(--petrol-tint); }
.subscribe__row input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; padding: 0 16px; font: 500 15.5px var(--font-body); color: var(--ink); }
.subscribe__row input[aria-invalid="true"] { color: #b91c1c; }
.subscribe__row .btn { padding: 13px 22px; flex: none; }
.consent { display: flex; gap: 10px; align-items: flex-start; margin-top: 14px; font-size: 13.5px; line-height: 1.5; color: var(--muted); cursor: pointer; }
.consent input { width: 18px; height: 18px; margin: 1px 0 0; flex: none; accent-color: var(--petrol); cursor: pointer; }
.consent input[aria-invalid="true"] { outline: 2px solid #b91c1c; outline-offset: 2px; }
.consent a { color: var(--petrol-deep); font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }

/* ---------------- Okuyucu ---------------- */
.reader { display: none; min-height: 100vh; transition: background .5s var(--ease), color .5s var(--ease); }
body.is-reading .reader { display: block; }
body.is-reading .books-hero, body.is-reading .library { display: none; }

/* Tema değişkenleri: --r-desk masa (zemin), --r-paper kâğıt, --r-edge kâğıt kenarı */
.reader[data-theme="light"] { --r-desk: #eceff1; --r-paper: #ffffff; --r-edge: #d6dce0; --r-shade: rgba(20,24,27,.18); --r-fg: #1d2226; --r-muted: #6b757d; --r-line: rgba(0,0,0,.08); --r-panel: #f3f5f7; --r-accent: var(--petrol-deep); }
.reader[data-theme="sepia"] { --r-desk: #e4d8bc; --r-paper: #f7efdc; --r-edge: #d3c29c; --r-shade: rgba(90,64,30,.22); --r-fg: #4a3b2a; --r-muted: #8c7a62; --r-line: rgba(74,59,42,.14); --r-panel: #ede3ca; --r-accent: #a0582c; }
.reader[data-theme="dark"]  { --r-desk: #111316; --r-paper: #1c1f23; --r-edge: #31363c; --r-shade: rgba(0,0,0,.6); --r-fg: #d9dbdf; --r-muted: #8a8f98; --r-line: rgba(255,255,255,.08); --r-panel: #262a2f; --r-accent: #5cc3e0; }
.reader[data-theme="night"] { --r-desk: #000000; --r-paper: #0c0c0c; --r-edge: #262626; --r-shade: rgba(0,0,0,.8); --r-fg: #b7b2a5; --r-muted: #6f6b62; --r-line: rgba(255,255,255,.07); --r-panel: #161616; --r-accent: #d9a35b; }
.reader { background: var(--r-desk); color: var(--r-fg); }

.reader__spacer { height: var(--header-h); background: var(--paper); }
body.is-reading .site-header { position: absolute; }
body.is-reading { background: var(--r-desk-body, #eceff1); }
body.is-reading .site-footer { display: none; }

.reader__bar { position: sticky; top: 0; z-index: 400; background: var(--r-paper); border-bottom: 1px solid var(--r-line); transition: background .5s var(--ease); }
.reader__bar-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: min(1180px, 100% - 32px); margin-inline: auto; padding: 10px 0; flex-wrap: wrap; }
.reader__back { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px; padding: 9px 14px; border-radius: 999px; background: var(--r-panel); color: var(--r-fg); font-family: var(--font-display); }
.reader__back:hover { color: var(--r-accent); }
.reader__book { font-family: var(--font-display); font-weight: 800; font-size: 16px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 28vw; letter-spacing: -.01em; }
.reader__tools { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tool-group { display: flex; align-items: center; gap: 4px; padding: 4px; border-radius: 999px; background: var(--r-panel); }
.tool-btn { min-width: 36px; height: 36px; padding: 0 10px; border-radius: 999px; font-weight: 800; font-size: 14px; color: var(--r-fg); transition: background .2s, color .2s; font-family: var(--font-display); }
.tool-btn--text { font-size: 13px; padding: 0 12px; }
.tool-btn:hover { color: var(--r-accent); }
.tool-btn.is-active { background: var(--r-paper); color: var(--r-accent); box-shadow: 0 2px 8px rgba(0,0,0,.12); }
.swatch { width: 26px; height: 26px; border-radius: 50%; border: 2px solid transparent; display: block; }
.tool-btn--swatch { padding: 0; min-width: 36px; display: grid; place-items: center; }
.tool-btn--swatch.is-active .swatch { border-color: var(--r-accent); }
.swatch--light { background: #fff; box-shadow: inset 0 0 0 1px rgba(0,0,0,.15); }
.swatch--sepia { background: #f4ecd8; box-shadow: inset 0 0 0 1px rgba(0,0,0,.1); }
.swatch--dark { background: #1b1d21; box-shadow: inset 0 0 0 1px rgba(255,255,255,.2); }
.swatch--night { background: #000; box-shadow: inset 0 0 0 1px rgba(255,255,255,.25); }
.reader__select { height: 44px; border-radius: 999px; border: 0; padding: 0 14px; background: var(--r-panel); color: var(--r-fg); font: 700 14px var(--font-body); max-width: 220px; cursor: pointer; }
.reader__progress { position: absolute; left: 0; bottom: -1px; height: 3px; background: var(--r-accent); width: 0; transition: width .2s linear; }

/* Kâğıt: belirgin kenar + altta iki sayfa katmanı + yumuşak gölge */
.reader__desk { padding: clamp(24px, 4vw, 48px) 0 70px; }
.reader__page {
  position: relative; width: min(780px, 100% - 32px); margin-inline: auto;
  padding: clamp(30px, 6vw, 72px) clamp(22px, 6vw, 76px) clamp(30px, 5vw, 56px);
  background: var(--r-paper); color: var(--r-fg);
  border: 1px solid var(--r-edge); border-radius: 4px 10px 10px 4px;
  background-image: linear-gradient(90deg, rgba(0,0,0,.045), transparent 34px);
  box-shadow:
    4px 4px 0 -1px var(--r-paper), 4px 4px 0 0 var(--r-edge),
    8px 8px 0 -1px var(--r-paper), 8px 8px 0 0 var(--r-edge),
    0 30px 60px -28px var(--r-shade);
  transition: background-color .5s var(--ease), border-color .5s var(--ease), box-shadow .5s var(--ease);
}
.reader__chapter-no { font-size: 12.5px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--r-accent); font-family: var(--font-display); }
.reader__title { font-family: "Lora", Georgia, serif; font-weight: 700; font-size: clamp(30px, 4.5vw, 44px); line-height: 1.15; margin: 12px 0 36px; letter-spacing: -.01em; break-after: avoid; }
.reader__text { font-family: "Lora", Georgia, serif; font-size: calc(19px * var(--r-scale, 1)); line-height: var(--r-lh, 1.85); }
.reader__text.is-sans { font-family: var(--font-body); }
.reader__text p { margin: 0 0 1.25em; text-align: justify; hyphens: auto; -webkit-hyphens: auto; orphans: 2; widows: 2; }
.reader__text p:first-child::first-letter { float: left; font-size: 3.6em; line-height: .82; margin: .08em .1em 0 0; font-weight: 700; color: var(--r-accent); }
.reader__flow { transition: opacity .35s var(--ease); }
.reader__flow.is-fading { opacity: 0; }

/* Kaydırma modu: bölüm geçiş butonları */
.reader__nav { display: flex; justify-content: space-between; gap: 14px; margin-top: 50px; padding-top: 28px; border-top: 1px solid var(--r-line); }
.reader__nav button { display: flex; flex-direction: column; gap: 4px; padding: 16px 20px; border-radius: 16px; background: var(--r-panel); color: var(--r-fg); text-align: left; max-width: 48%; transition: transform .35s var(--ease), color .2s; }
.reader__nav button:hover { transform: translateY(-3px); color: var(--r-accent); }
.reader__nav button[disabled] { visibility: hidden; }
.reader__nav button.next { text-align: right; margin-left: auto; }
.reader__nav small { font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--r-muted); font-family: var(--font-display); }
.reader__nav strong { font-family: "Lora", Georgia, serif; font-size: 17px; }

/* Sayfa modu: CSS sütunlarıyla yatay sayfalama */
.pager { display: none; align-items: center; justify-content: space-between; gap: 14px; margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--r-line); }
.pager__btn { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--r-panel); color: var(--r-fg); transition: color .2s, transform .3s var(--ease), opacity .2s; }
.pager__btn:hover { color: var(--r-accent); transform: scale(1.06); }
.pager__btn[disabled] { opacity: .3; pointer-events: none; }
.pager__btn svg { width: 20px; height: 20px; }
.pager__info { font-family: var(--font-display); font-weight: 700; font-size: 14px; color: var(--r-muted); font-variant-numeric: tabular-nums; text-align: center; }

.reader[data-mode="pages"] .reader__desk { padding-top: 22px; padding-bottom: 30px; }
.reader[data-mode="pages"] .reader__nav { display: none; }
.reader[data-mode="pages"] .pager { display: flex; }
.reader[data-mode="pages"] .reader__page { padding-top: clamp(26px, 4vw, 48px); padding-bottom: clamp(16px, 2.5vw, 26px); }
.reader[data-mode="pages"] .reader__viewport { height: var(--page-h, 60vh); overflow: hidden; touch-action: pan-y; }
.reader[data-mode="pages"] .reader__flow {
  height: 100%;
  column-width: var(--col-w, 600px); column-gap: var(--col-gap, 80px); column-fill: auto;
  transition: transform .5s var(--ease), opacity .35s var(--ease);
  will-change: transform;
}
.reader[data-mode="pages"] .reader__text p { break-inside: auto; }

.reader__after { width: min(780px, 100% - 32px); margin: 34px auto 0; text-align: center; }
.reader__sub { display: inline-flex; padding: 12px 20px; border-radius: 999px; background: var(--r-panel); color: var(--r-fg); font-weight: 700; font-size: 14.5px; font-family: var(--font-display); transition: color .2s; }
.reader__sub:hover { color: var(--r-accent); }
.reader__end { color: var(--r-muted); font-size: 13.5px; margin: 18px 0 0; }

@media (max-width: 1080px) {
  .subscribe { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .reader__book { display: none; }
  .reader__select { max-width: 150px; }
  .reader__text p { text-align: left; }
  .reader__page { box-shadow: 3px 3px 0 -1px var(--r-paper), 3px 3px 0 0 var(--r-edge), 0 20px 40px -24px var(--r-shade); }
  .tool-btn { min-width: 32px; height: 32px; padding: 0 8px; }
  .tool-btn--text { padding: 0 9px; font-size: 12.5px; }
  .swatch { width: 22px; height: 22px; }
}
@media (max-width: 480px) {
  .subscribe__row { flex-direction: column; border-radius: 18px; }
  .subscribe__row input { height: 46px; }
}