@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,500;12..96,700;12..96,800&family=Literata:ital,opsz,wght@0,18..144,400;0,18..144,500;0,18..144,600;1,18..144,400&display=swap');

:root {
  --paper: #f6f4ee;
  --paper-line: #dcd6c4;
  --ink: #232323;
  --ink-soft: #58554a;
  --navy: #1b3a4b;
  --navy-deep: #12283580;
  --marigold: #e8a33d;
  --coral: #c4432b;
  --sage: #5c7a5e;
  --radius: 4px;
  --shadow: 4px 4px 0 var(--navy);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Literata', Georgia, serif;
  font-size: 17px;
  line-height: 1.65;
}

body {
  background-image:
    linear-gradient(var(--paper-line) 1px, transparent 1px);
  background-size: 100% 2.1em;
  background-attachment: local;
}

h1, h2, h3, .brand {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  color: var(--navy);
  line-height: 1.15;
  margin: 0 0 0.5em;
}

a { color: var(--navy); }

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  background: var(--navy);
  color: #fff;
  padding: 22px 0;
  background-image: none;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.4rem;
  margin: 0;
  letter-spacing: -0.01em;
}
.brand-link { color: inherit; text-decoration: none; }
.brand-dot { color: var(--marigold); }
.site-header .tagline {
  color: #cdd9de;
  font-size: 0.9rem;
  margin: 2px 0 0;
  font-family: 'Literata', serif;
}
.account-nav {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
}
.account-nav a {
  color: #fff;
  text-decoration: none;
  font-size: 0.92rem;
  border-bottom: 1px solid rgba(255,255,255,0.4);
}
.account-nav a:hover { border-bottom-color: #fff; }

/* Hero */
.hero {
  padding: 56px 0 36px;
}
.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  max-width: 14ch;
}
.hero p {
  max-width: 56ch;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

/* Book grid */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
  padding: 8px 0 56px;
}

.book-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: var(--ink);
  overflow: hidden;
  transition: transform 0.15s ease;
}
.book-card:hover { transform: translate(-2px, -2px); }

.book-card-top {
  display: flex;
  gap: 14px;
  padding: 16px 16px 14px;
  flex: 1;
}

.book-cover-wrap {
  position: relative;
  flex-shrink: 0;
  width: 84px;
}
.book-cover-wrap .spine {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 7px;
  background: repeating-linear-gradient(
    180deg, var(--navy) 0 9px, #0f2733 9px 11px
  );
  border-radius: var(--radius) 0 0 var(--radius);
  z-index: 1;
}

.book-cover {
  aspect-ratio: 3 / 4;
  width: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--radius);
  padding-left: 7px;
  box-shadow: inset 2px 0 0 rgba(0,0,0,0.08);
  background: linear-gradient(160deg, var(--navy), #274d63);
  background-clip: content-box;
}
.book-cover.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  text-align: center;
  padding: 10px 8px 10px 15px;
  background-clip: border-box;
}

.book-details {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.book-details h3 {
  font-size: 1rem;
  margin: 0 0 8px;
  line-height: 1.25;
}

.book-attrs {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.book-attrs .attr {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  font-size: 0.82rem;
  line-height: 1.35;
}
.book-attrs dt {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700;
  color: var(--coral);
}
.book-attrs dd {
  margin: 0;
  color: var(--ink-soft);
}
.book-attrs .pill {
  display: inline-block;
  background: var(--paper);
  border: 1px solid var(--paper-line);
  color: var(--ink);
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0 7px;
  border-radius: 10px;
  line-height: 1.5;
}

.book-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--marigold);
  border-top: 1px solid var(--paper-line);
}
.book-cta .cta-text {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--navy);
}
.book-cta .cta-price {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--navy);
  opacity: 0.75;
}
.book-card:hover .book-cta { background: #edb056; }

/* Page list */
.page-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  gap: 8px;
  padding: 20px 0 40px;
}
.page-tile {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--paper-line);
  border-radius: var(--radius);
  background: #fff;
  text-decoration: none;
  color: var(--navy);
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 600;
  position: relative;
}
.page-tile:hover { border-color: var(--navy); }
.page-tile.locked {
  color: var(--ink-soft);
  background: repeating-linear-gradient(45deg, #fff 0 8px, #f1efe6 8px 16px);
}
.lock-icon {
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 11px;
  height: 11px;
  color: var(--ink-soft);
}

.unlock-banner {
  background: #fff;
  border: 1.5px dashed var(--coral);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 12px 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.unlock-banner p { margin: 0; color: var(--ink-soft); }

/* Buttons */
.btn {
  display: inline-block;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 11px 22px;
  border-radius: var(--radius);
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--navy-deep);
}
.btn-primary { background: var(--marigold); color: var(--navy); }
.btn-primary:hover { transform: translate(-1px, -1px); }
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--navy);
  box-shadow: none;
}

/* Checkout */
.checkout-box {
  max-width: 440px;
  background: #fff;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 26px;
  margin: 24px 0 60px;
}
.checkout-box .price-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1.5px solid var(--paper-line);
}
.checkout-box .price-line .sum {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--coral);
}
.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-bottom: 4px;
  font-family: 'Bricolage Grotesque', sans-serif;
}
.field input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--paper-line);
  border-radius: var(--radius);
  font-family: 'Literata', serif;
  font-size: 1rem;
  background: var(--paper);
}
.field input:focus { outline: 2px solid var(--navy); outline-offset: 1px; }
.field-row { display: flex; gap: 12px; flex-wrap: wrap; }
.field-row .field { flex: 1; min-width: 100px; }

.test-mode-note {
  background: #fdf3e3;
  border: 1px solid #f0d8a8;
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.88rem;
  color: #6b4d16;
  margin-bottom: 18px;
}
.test-mode-note code {
  background: #fff;
  border: 1px solid #f0d8a8;
  padding: 1px 5px;
  border-radius: 3px;
}

.error-box {
  background: #fbe6e2;
  border: 1px solid var(--coral);
  color: #7a2717;
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 0.92rem;
}

/* Reading page */
.page-nav {
  display: flex;
  justify-content: space-between;
  padding: 18px 0;
}
.page-content {
  background: #fff;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  padding: 32px 36px;
  margin-bottom: 24px;
  white-space: pre-wrap;
  font-size: 1.08rem;
}

footer {
  border-top: 1.5px solid var(--paper-line);
  padding: 24px 0 40px;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

/* Admin */
.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  padding: 24px 0 60px;
}
@media (max-width: 760px) {
  .admin-grid { grid-template-columns: 1fr; }
}
.admin-panel {
  background: #fff;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  padding: 22px;
}
.admin-panel h2 { font-size: 1.1rem; }
.admin-panel textarea {
  width: 100%;
  min-height: 160px;
  font-family: 'Literata', serif;
  padding: 10px;
  border: 1.5px solid var(--paper-line);
  border-radius: var(--radius);
  background: var(--paper);
}
.admin-list { list-style: none; padding: 0; margin: 0; }
.admin-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--paper-line);
  font-size: 0.92rem;
}
.notice {
  background: #e8f0e3;
  border: 1px solid var(--sage);
  color: #2f4a30;
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 18px;
  font-size: 0.9rem;
}
.notice-warn {
  background: #fdf3e3;
  border-color: #f0d8a8;
  color: #6b4d16;
}

.admin-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
}
.admin-top h1 { margin: 0; }
.admin-top .btn { padding: 8px 16px; font-size: 0.85rem; }

/* Custom navigation icon — replaces plain arrow characters everywhere */
.icon-chevron {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-top: 2.5px solid currentColor;
  border-right: 2.5px solid currentColor;
  border-radius: 1px;
  transform: rotate(225deg);
  flex-shrink: 0;
}
.icon-chevron.next { transform: rotate(45deg); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--navy);
  text-decoration: none;
}
.back-link:hover .icon-chevron { transform: rotate(225deg) translate(-2px, 2px); }

.nav-btn { display: inline-flex; align-items: center; gap: 8px; }

/* Login */
.login-box {
  max-width: 380px;
  background: #fff;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 26px;
  margin: 48px auto 60px;
}
.login-sub {
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin: -6px 0 20px;
}