:root {
  --accent-color: #2dd4bf;
  --color-accent: var(--accent-color);
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-display: "Space Grotesk", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --black: #000;
  --white: #fff;
  --gray-100: #f3f4f6;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --max-w: 72rem;
  --max-w-nav: 80rem;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--black);
  color: var(--gray-100);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

.hidden { display: none !important; }

.section-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) { .section-container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .section-container { padding: 0 2rem; } }

.heading-display, .hero-title, .page-header-title, .section-title, .series-title, .book-detail-title, .secret-title {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: normal;
}

.text-muted, .hero-text, .update-content, .bio-text, .contact-intro, .book-detail-synopsis p, .secret-body {
  color: var(--gray-300);
  font-weight: 400;
  line-height: 1.625;
  font-style: italic;
}

/* Background */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.page-bg-base { position: absolute; inset: 0; background: var(--black); }

.page-bg-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.page-bg-image.is-loaded {
  opacity: 0.4;
}

.page-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.2), var(--black));
}

.page-shell {
  position: relative;
  z-index: 20;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
  padding-bottom: 4rem;
}

.main-content.section-container,
.bio-page,
.books-page,
.book-detail,
.contact-page,
.secret-content,
.secret-login-wrap,
.admin-page {
  padding-top: 2rem;
}

@media (min-width: 1024px) {
  .main-content.section-container,
  .bio-page,
  .books-page,
  .book-detail,
  .contact-page,
  .secret-content,
  .secret-login-wrap,
  .admin-page {
    padding-top: 3rem;
  }
}

/* Loader styles removed — content loads without spinners */

/* ── Animations ── */
@media (prefers-reduced-motion: reduce) {
  .reveal, .anim-enter, .hero-series-book-anim, .hero-single-book-anim,
  .page-enter, .modal-overlay, .lightbox, .nav-mobile, .admin-body.tab-enter {
    transition: none !important;
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

.page-enter {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.page-enter.page-enter-active {
  opacity: 1;
  transform: translateY(0);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  transition-delay: var(--reveal-delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.anim-enter {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
  transition-delay: var(--enter-delay, 0s);
}

.anim-enter.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.anim-enter-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
  transition-delay: var(--enter-delay, 0s);
}

.anim-enter-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.anim-enter-right {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
  transition-delay: var(--enter-delay, 0s);
}

.anim-enter-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.anim-scale-in {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
  transition-delay: var(--enter-delay, 0s);
}

.anim-scale-in.is-visible {
  opacity: 1;
  transform: scale(1);
}

.hero-series-book-anim {
  opacity: 0;
  transform: translateX(0) rotate(0deg) translateY(0) !important;
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
  transition-delay: var(--fan-delay, 0s);
}

.hero-series-book-anim.is-visible {
  opacity: 1;
  transform: var(--fan-transform) !important;
}

.hero-single-book-anim {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 1s ease-out, transform 1s ease-out;
}

.hero-single-book-anim.is-visible {
  opacity: 1;
  transform: scale(1);
}

.anim-pop-in {
  animation: animPopIn 0.45s ease-out forwards;
}

@keyframes animPopIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.admin-body.tab-enter {
  animation: tabEnter 0.4s ease-out;
}

@keyframes tabEnter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Navbar */
.navbar {
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  position: sticky;
  top: 0;
  z-index: 50;
}

.navbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 5rem;
  max-width: var(--max-w-nav);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) { .navbar-inner { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .navbar-inner { padding: 0 2rem; } }

.nav-brand { display: flex; align-items: center; gap: 0.75rem; }

.nav-logo-img { height: 3rem; width: auto; object-fit: contain; }

.nav-logo-mask {
  height: 3rem;
  width: 12rem;
  mask-repeat: no-repeat;
  -webkit-mask-repeat: no-repeat;
  mask-size: contain;
  -webkit-mask-size: contain;
  mask-position: left center;
  -webkit-mask-position: left center;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 2.5rem;
}

@media (min-width: 768px) { .nav-desktop { display: flex; } }

.nav-link {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: var(--gray-300);
  position: relative;
  transition: color 0.2s;
}

.nav-link:hover, .nav-link.active { color: var(--color-accent); }

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.btn-newsletter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  color: var(--black);
  padding: 0.75rem 2rem;
  border-radius: 0.75rem;
  font-size: 0.6875rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  transition: background 0.2s, transform 0.1s;
  box-shadow: 0 20px 25px -5px rgba(255,255,255,0.05);
}

.btn-newsletter:hover { background: var(--color-accent); }
.btn-newsletter-block { display: block; width: 100%; text-align: center; margin-top: 1rem; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--white);
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: currentColor;
  width: 1.5rem;
}

.nav-toggle span:last-child { width: 1rem; margin-left: auto; }

@media (min-width: 768px) { .nav-toggle { display: none; } }

.nav-mobile {
  background: rgba(0,0,0,0.95);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 0 1rem;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.45s ease, opacity 0.35s ease, padding 0.45s ease;
}

.nav-mobile.nav-mobile-open {
  max-height: 24rem;
  opacity: 1;
  padding: 2rem 1rem;
}

.nav-mobile-link {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5em;
  color: var(--gray-300);
  padding: 0.75rem 0;
}

.nav-mobile-link.active { color: var(--color-accent); }

/* Update bar — hidden until JS injects content (avoids empty teal flash on navigation) */
#update-bar {
  display: none;
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
  padding: 0.5rem 0;
}

#update-bar:not(:empty) {
  display: block;
}

.update-bar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

@media (min-width: 640px) {
  .update-bar-inner {
    flex-direction: row;
    justify-content: center;
    gap: 1rem;
    text-align: left;
  }
}

.update-bar-label {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.update-bar-label span {
  font-size: 0.5rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.4em;
  white-space: nowrap;
}

.update-bar-divider { width: 1px; height: 0.75rem; background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

.update-bar-text {
  font-size: 0.625rem;
  color: var(--gray-300);
  font-weight: 500;
  letter-spacing: 0.05em;
  font-style: italic;
  margin: 0;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--white);
  color: var(--black);
  padding: 0.875rem 2rem;
  border-radius: 0.75rem;
  font-size: 0.5625rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  box-shadow: 0 20px 25px -5px rgba(255,255,255,0.05);
}

.btn-primary:hover { background: var(--color-accent); }
.btn-primary:active { transform: scale(0.95); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-acquire {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: var(--white);
  color: var(--black);
  padding: 1rem 2.5rem;
  border-radius: 0.75rem;
  font-size: 0.6875rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
  box-shadow: 0 20px 25px -5px rgba(255,255,255,0.05);
  width: fit-content;
}

.btn-acquire:hover { background: var(--color-accent); color: var(--black); }
.btn-acquire:active { transform: scale(0.95); }

.btn-acquire svg {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
  color: var(--color-accent);
  padding: 0.875rem 2rem;
  border-radius: 0.75rem;
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-secondary:hover { background: color-mix(in srgb, var(--color-accent) 20%, transparent); }

.btn-block { width: 100%; }
.btn-text { background: none; border: none; color: var(--gray-400); cursor: pointer; padding: 1rem; font-size: 0.625rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; }
.btn-link { background: none; border: none; color: var(--white); cursor: pointer; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; }
.btn-link:hover { color: var(--color-accent); }
.btn-danger { background: #dc2626; color: white; border: none; padding: 1rem 1.5rem; border-radius: 0.75rem; font-size: 0.625rem; font-weight: 700; text-transform: uppercase; cursor: pointer; }
.btn-danger:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-icon { background: none; border: none; color: var(--gray-400); cursor: pointer; font-size: 0.75rem; padding: 0.5rem; }
.btn-icon:hover { color: var(--color-accent); }
.btn-icon-danger:hover { color: #f87171; }

.badge {
  display: inline-block;
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  background: color-mix(in srgb, var(--color-accent) 20%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 30%, transparent);
  color: var(--color-accent);
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  margin-bottom: 1.5rem;
}

.badge-sm {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
  color: var(--color-accent);
  font-size: 0.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 0.25rem;
}

.badge-muted {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: var(--white);
}

/* Page header */
.page-header { margin-bottom: 3rem; }

.page-header-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding-bottom: 2.5rem;
}

.page-header-no-border .page-header-inner {
  border-bottom: none;
  padding-bottom: 0;
}

@media (min-width: 1024px) {
  .page-header-inner { flex-direction: row; align-items: flex-end; justify-content: space-between; }
}

.page-header-breadcrumb-row { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }

.page-header-breadcrumb {
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.6em;
  font-style: italic;
}

.page-header-line, .page-header-title-block .page-header-line { height: 1px; width: 3rem; background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

.page-header-title {
  font-size: clamp(3rem, 8vw, 4.5rem);
  color: var(--white);
  line-height: 1.1;
  margin: 0;
}

.page-header-subtitle {
  max-width: 28rem;
  font-size: 0.875rem;
  font-style: italic;
  color: var(--gray-300);
  margin: 0;
}

@media (min-width: 1024px) { .page-header-subtitle { text-align: right; margin-bottom: 0.5rem; } }

/* Hero / Landing */
.landing {
  padding-bottom: 3rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.hero {
  position: relative;
  min-height: auto;
  display: flex;
  align-items: center;
  padding-top: 1.5rem;
}

@media (min-width: 1024px) {
  .hero {
    min-height: 68vh;
    padding-top: 2.5rem;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.hero-content .badge {
  width: fit-content;
  letter-spacing: 0.12em;
  margin-bottom: 0;
  white-space: nowrap;
}

@media (max-width: 1023px) {
  .hero-content {
    width: 100%;
  }

  .hero-mobile-covers {
    align-self: center;
    padding: 3rem 0;
    justify-content: center;
    align-items: center;
  }

  .hero-mobile-covers .hero-single-book,
  .hero-mobile-covers .hero-series-stack {
    margin-inline: auto;
  }
}

@media (min-width: 1024px) {
  .hero-content { gap: 1.5rem; }
}

.hero-grid {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1rem;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
  }
}

.hero-title {
  font-size: clamp(2.25rem, 7vw, 4.5rem);
  color: var(--white);
  line-height: 1.1;
  margin: 0 0 0.75rem;
}

.hero-text { max-width: 28rem; font-size: 1rem; margin-bottom: 1rem; white-space: pre-wrap; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero-mobile-covers { padding: 1.5rem 0; width: 100%; display: flex; justify-content: center; align-items: center; }

@media (min-width: 1024px) {
  .hero-mobile-covers { padding: 0; }
}

.hero-single-book {
  max-width: 15rem;
  width: 100%;
  aspect-ratio: 2/3;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

.hero-single-book img { width: 100%; height: 100%; object-fit: cover; }

.lg-hidden { display: block; }
.lg-block { display: none; }
.hidden.lg-block { display: none; }

@media (min-width: 1024px) {
  .lg-hidden { display: none !important; }
  .lg-block, .hidden.lg-block { display: flex !important; }
  .hero-desktop-covers { justify-content: flex-end; }
  .hero-single-book { max-width: 20rem; }
}

.hero-series-stack {
  position: relative;
  width: 100%;
  max-width: 50rem;
  height: 23rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-series-stack-sm { max-width: 18.75rem; height: 12.5rem; }

.hero-series-book {
  position: absolute;
  width: 100%;
  max-width: 13.75rem;
  aspect-ratio: 2/3;
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
  background: var(--black);
}

.hero-series-stack-sm .hero-series-book { max-width: 8.75rem; }

.hero-series-book img { width: 100%; height: 100%; object-fit: cover; opacity: 0.8; }

.hero-empty {
  width: 100%;
  max-width: 17.5rem;
  aspect-ratio: 2/3;
  border: 1px dashed rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  font-style: italic;
  border-radius: 1rem;
}

/* Updates section */
.updates-section { margin-top: 0; }

.section-heading {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.section-title { font-size: 1.875rem; color: var(--white); margin: 0; }
.section-line { flex: 1; height: 1px; background: rgba(255,255,255,0.05); }

.updates-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) { .updates-grid { grid-template-columns: 1fr 1fr; } }

.update-card {
  padding: 2rem;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2.5rem;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
}

.update-card-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }

.update-date {
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-style: italic;
}

.update-content { margin: 0; font-size: 0.875rem; white-space: pre-wrap; }

/* Books grid */
.books-archive { display: flex; flex-direction: column; gap: 8rem; }

.series-section.scroll-mt { scroll-margin-top: 6rem; }

.series-header { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 3rem; }

.series-header-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.series-header-line {
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.05);
}

.series-label {
  font-size: 0.625rem;
  font-weight: 700;
  color: color-mix(in srgb, var(--color-accent) 40%, transparent);
  text-transform: uppercase;
  letter-spacing: 0.6em;
  font-style: italic;
  white-space: nowrap;
}

.series-title { font-size: clamp(1.875rem, 5vw, 2.25rem); color: var(--white); margin: 0; }

.books-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem 1.25rem;
}

@media (min-width: 640px) {
  .books-grid { grid-template-columns: repeat(3, 1fr); gap: 4rem 2rem; }
}
@media (min-width: 1024px) {
  .books-grid { grid-template-columns: repeat(4, 1fr); gap: 5rem 3rem; }
}
@media (min-width: 1280px) { .books-grid { grid-template-columns: repeat(5, 1fr); } }

.book-card { cursor: pointer; transition: transform 0.3s; }
.book-card > a { display: block; }
.book-card:hover { transform: translateY(-8px); }

.book-card-cover {
  aspect-ratio: 2/3;
  overflow: hidden;
  border-radius: 1rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.3);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.book-card:hover .book-card-cover {
  border-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

.book-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
  transition: opacity 1s, transform 1s;
}

.book-card:hover .book-card-cover img { opacity: 1; transform: scale(1.1); }

.book-card-meta { margin-top: 1rem; }

.book-card-genre {
  font-size: 0.5rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-style: italic;
}

.book-card-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0.25rem 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s;
}

.book-card:hover .book-card-title { color: var(--color-accent); }

.books-grid .book-card.reveal:nth-child(1) { --reveal-delay: 0s; }
.books-grid .book-card.reveal:nth-child(2) { --reveal-delay: 0.05s; }
.books-grid .book-card.reveal:nth-child(3) { --reveal-delay: 0.1s; }
.books-grid .book-card.reveal:nth-child(4) { --reveal-delay: 0.15s; }
.books-grid .book-card.reveal:nth-child(n+5) { --reveal-delay: 0.2s; }

/* Book detail */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.4em;
  margin-bottom: 1.5rem;
  transition: color 0.2s, gap 0.2s;
}

.back-link:hover { color: var(--white); gap: 0.5rem; }

.book-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .book-detail-grid { grid-template-columns: 5fr 7fr; gap: 3rem; }
}

.book-detail-cover {
  aspect-ratio: 2/3;
  border-radius: 1.5rem;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
  background: var(--white);
}

.book-detail-cover img { width: 100%; height: 100%; object-fit: cover; }

.book-detail-info { display: flex; flex-direction: column; justify-content: center; }

.book-detail-tags { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }

.book-detail-title {
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  color: var(--white);
  margin: 0 0 1.5rem;
  letter-spacing: 0.05em;
}

.book-detail-synopsis h2,
.book-detail-synopsis h3 {
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5em;
  color: color-mix(in srgb, var(--color-accent) 60%, transparent);
  font-style: italic;
  margin-bottom: 1rem;
}

.book-detail-synopsis p { white-space: pre-wrap; margin-bottom: 1.5rem; }

.related-books { padding-top: 3rem; margin-top: 0; }

/* Bio */
.bio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: start;
}

@media (min-width: 1024px) { .bio-grid { grid-template-columns: 5fr 7fr; } }

.bio-photo {
  aspect-ratio: 4/5;
  border-radius: 2.5rem;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

.bio-photo img { width: 100%; height: 100%; object-fit: cover; }

.bio-content-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2.5rem;
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
  transition: background 1s ease;
}

.bio-content-card:hover {
  background: color-mix(in srgb, var(--color-accent) 10%, rgba(255,255,255,0.05));
}

@media (min-width: 1024px) { .bio-content-card { padding: 3rem; } }

.bio-chronicle-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.bio-chronicle-label span {
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.5em;
}

.bio-text { white-space: pre-wrap; font-size: 1rem; }

.bio-footer-row {
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (min-width: 640px) {
  .bio-footer-row { flex-direction: row; align-items: center; justify-content: space-between; }
}

.label-sm { display: block; font-size: 0.625rem; font-weight: 700; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.25rem; }
.bio-status { font-size: 0.75rem; color: var(--white); }
.link-accent { font-size: 0.625rem; font-weight: 700; color: var(--color-accent); text-transform: uppercase; letter-spacing: 0.1em; background: none; border: none; cursor: pointer; }
.link-accent:hover { color: var(--white); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

@media (min-width: 1024px) { .contact-grid { grid-template-columns: 4fr 8fr; } }

.contact-intro { font-size: 1rem; margin-bottom: 3rem; }

.contact-card {
  padding: 2rem;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2rem;
}

.contact-block { margin-bottom: 0; }
.contact-block-border { margin-top: 2rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.05); }

.label-accent {
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-style: italic;
  margin-bottom: 1rem;
}

.contact-link-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1rem;
  color: var(--white);
  transition: color 0.2s;
}

.contact-link-row:last-child { margin-bottom: 0; }

.contact-link-row:hover { color: var(--color-accent); }

.contact-link-icon {
  display: inline-flex;
  flex-shrink: 0;
  color: var(--gray-400);
  transition: color 0.2s;
}

.contact-link-row:hover .contact-link-icon { color: var(--color-accent); }

.contact-link-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.contact-link-text {
  font-size: 1rem;
  font-weight: 500;
}

.contact-link {
  display: block;
  font-size: 1rem;
  color: var(--white);
  font-weight: 500;
  margin-bottom: 1rem;
  transition: color 0.2s;
}

.contact-link:hover { color: var(--color-accent); }
.text-muted-sm { font-size: 0.875rem; color: var(--gray-500); font-style: italic; }

.contact-form-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2.5rem;
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
}

@media (min-width: 1024px) { .contact-form-card { padding: 3rem; } }

.contact-form { display: flex; flex-direction: column; gap: 2rem; }

.contact-form .form-row {
  gap: 2rem;
}

.contact-form .form-group {
  gap: 0.75rem;
}

.contact-form .form-group label {
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-style: italic;
}

.contact-form .form-group input,
.contact-form .form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.75rem;
  padding: 1rem 1.5rem;
  color: var(--white);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.12);
}

.contact-form .form-group input::placeholder,
.contact-form .form-group textarea::placeholder {
  color: var(--gray-400);
}

.contact-form .form-group input:focus,
.contact-form .form-group textarea:focus {
  border-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
}

.contact-form .form-group textarea {
  resize: none;
  min-height: 9rem;
}

.contact-form .btn-primary.btn-block {
  width: 100%;
  padding: 1.25rem 2rem;
  font-size: 0.6875rem;
  letter-spacing: 0.3em;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }

.form-group { display: flex; flex-direction: column; gap: 0.75rem; }

.form-group label {
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-style: italic;
}

.form-group input, .form-group textarea, .form-group select, .form-input {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.75rem;
  padding: 1rem 1.5rem;
  color: var(--white);
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus, .form-group textarea:focus, .form-input:focus {
  border-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
}

.form-group textarea { resize: vertical; min-height: 9rem; }
.form-input-mono { font-family: var(--font-mono); text-transform: uppercase; text-align: center; letter-spacing: 0.2em; }

.contact-success { text-align: center; padding: 3rem 0; }
.contact-success h3 { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 0.5rem; }

/* Secret content */
.secret-login-wrap { max-width: 28rem; margin: 0 auto; padding: 4rem 1rem; }

@media (min-width: 768px) {
  .secret-login-wrap { padding: 6rem 1rem; }
}

.secret-login-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 1.5rem;
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

.modal-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 1.5rem;
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
  transform: scale(0.95);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
}

.overlay-open .modal-card {
  transform: scale(1);
  opacity: 1;
}

.secret-login-card h2, .modal-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--white);
  margin: 0 0 1.5rem;
  text-transform: uppercase;
}

.secret-form { display: flex; flex-direction: column; gap: 1.5rem; }

.secret-field { display: flex; flex-direction: column; }

.secret-form label {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-style: italic;
  margin-bottom: 0.75rem;
}

.secret-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  padding: 1rem 1.5rem;
  color: var(--white);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.25);
}

.secret-input::placeholder { color: var(--gray-500); }

.secret-input:focus {
  border-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
}

.secret-form-error {
  margin: 0;
  padding: 0.75rem 1rem;
}

.secret-login-footer {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
}

.secret-login-footer p { font-size: 0.625rem; color: var(--gray-500); font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; font-style: italic; }
.secret-login-footer a { font-size: 0.625rem; font-weight: 700; color: var(--color-accent); text-transform: uppercase; letter-spacing: 0.1em; font-style: italic; }

.secret-content { padding: 5rem 1rem; text-align: center; max-width: 56rem; margin: 0 auto; }
.secret-title { font-size: clamp(2rem, 5vw, 3.75rem); margin: 1rem 0; }
.secret-body { font-size: 1.125rem; max-width: 42rem; margin: 0 auto 3rem; white-space: pre-wrap; }

.secret-images { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; padding-top: 3rem; }

.secret-image-btn {
  width: 100%;
  max-width: 18.75rem;
  aspect-ratio: 4/5;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  padding: 0;
  cursor: zoom-in;
  transition: transform 0.2s;
}

.secret-image-btn:hover { transform: scale(1.02); }
.secret-image-btn img { width: 100%; height: 100%; object-fit: cover; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.95);
  backdrop-filter: blur(48px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 1rem;
  cursor: zoom-out;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox.overlay-open { opacity: 1; }

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 0.5rem;
  transform: scale(0.9);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
}

.lightbox.overlay-open img {
  transform: scale(1);
  opacity: 1;
}

.lightbox-close {
  position: fixed;
  top: 2rem;
  right: 2rem;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.1);
  color: white;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 1rem 0;
  margin-top: auto;
}

.footer-inner {
  text-align: center;
}

.footer-social {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-bottom: 0.75rem;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  transition: color 0.2s;
  line-height: 0;
}

.footer-social a:hover { color: var(--color-accent); }

.footer-social svg {
  width: 1.25rem;
  height: 1.25rem;
}

.footer-copy {
  display: block;
  margin: 0 auto;
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.6em;
  background: none;
  border: none;
  cursor: default;
  padding: 0;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-overlay.overlay-open { opacity: 1; }

.modal-text { color: var(--gray-300); font-size: 0.875rem; font-style: italic; margin-bottom: 2rem; }
.modal-actions { display: flex; gap: 1rem; margin-top: 2rem; }
.modal-actions button { flex: 1; }

.alert-error {
  padding: 1rem;
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.2);
  border-radius: 0.75rem;
  color: #f87171;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-style: italic;
}

.empty-state {
  text-align: center;
  padding: 6rem 2rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 3rem;
  color: var(--gray-500);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6em;
  font-style: italic;
}

/* Admin */
.admin-wrap {
  position: relative;
  z-index: 30;
}

.admin-page { padding-top: 2rem; position: relative; }

@media (min-width: 1024px) {
  .admin-page { padding-top: 3rem; }
}

.admin-wrap .page-header {
  margin-bottom: 3rem;
}

.admin-panel {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(32px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 1.5rem;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

.admin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  padding: 1.5rem 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  background: rgba(255,255,255,0.05);
  overflow-x: auto;
}

.admin-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 1rem;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s, border-color 0.2s;
}

.admin-tab:hover { color: var(--white); }
.admin-tab.active { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.admin-tab-logout { color: #f87171; margin-left: auto; }

.admin-body { padding: 1rem 1.5rem 2.5rem; min-height: 600px; }
@media (min-width: 1024px) { .admin-body { padding: 2.5rem; } }

.admin-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.admin-section-header h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--white);
  text-transform: uppercase;
  margin: 0;
}

.admin-form {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 1rem;
  padding: 2rem;
}

@media (min-width: 768px) {
  .admin-form { padding: 2.5rem; }
}

.admin-form h2, .admin-form h3 {
  font-family: var(--font-display);
  color: var(--white);
  text-transform: uppercase;
  margin: 0 0 1.75rem;
}

.admin-form .form-fields {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.admin-form .form-group,
.admin-form .form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.admin-form .form-group label,
.admin-form .form-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--gray-300);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-style: normal;
  line-height: 1.3;
}

.admin-form .form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: start;
}

@media (min-width: 640px) {
  .admin-form .form-row { grid-template-columns: 1fr 1fr; }
}

.admin-form .form-group input,
.admin-form .form-group textarea,
.admin-form .form-group select {
  padding: 0.75rem 1rem;
}

.admin-form .checkbox-label {
  margin: 0;
}

.admin-form .form-hint {
  margin: 0;
}

.series-books-grid {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 1024px) { .form-grid-2 { grid-template-columns: 1fr 1fr; } }

.form-actions { display: flex; justify-content: flex-end; gap: 1.5rem; margin-top: 2.5rem; padding-top: 2.5rem; border-top: 1px solid rgba(255,255,255,0.05); }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--gray-300);
  margin: 1rem 0;
  cursor: pointer;
}

.checkbox-label input { width: 1.25rem; height: 1.25rem; accent-color: var(--color-accent); }

.form-hint {
  margin: 0.35rem 0 0;
  font-size: 0.75rem;
  color: var(--gray-400);
}

.admin-table-wrap { overflow-x: auto; border: 1px solid rgba(255,255,255,0.1); border-radius: 1rem; background: rgba(255,255,255,0.05); }

.admin-table { width: 100%; border-collapse: collapse; min-width: 600px; }
.admin-table th {
  padding: 1.25rem 2rem;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  font-style: italic;
  text-align: left;
  background: rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.admin-table td { padding: 1.25rem 2rem; border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 0.875rem; }
.admin-table tr:hover { background: rgba(255,255,255,0.05); }
.admin-thumb { width: 2.5rem; height: 3.5rem; object-fit: cover; border-radius: 0.5rem; border: 1px solid rgba(255,255,255,0.1); }
.admin-actions { display: flex; justify-content: flex-end; gap: 0.75rem; white-space: nowrap; }

.upload-preview {
  position: relative;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 1rem;
  overflow: hidden;
  background: rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.upload-preview input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload-preview img { width: 100%; height: 100%; object-fit: cover; }
.upload-preview-book { aspect-ratio: 2/3; max-width: 20rem; margin: 0 auto; }
.upload-preview-portrait { aspect-ratio: 4/5; }
.upload-preview-wide { aspect-ratio: 16/9; margin-bottom: 1rem; }
.upload-preview-secret { aspect-ratio: 4/5; }

.secret-upload-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 1rem 0 2rem; }

.sortable-list { display: flex; flex-direction: column; gap: 0.5rem; }

.sortable-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 1rem;
  transition: border-color 0.2s;
}

.sortable-item:hover { border-color: color-mix(in srgb, var(--color-accent) 20%, transparent); }
.sortable-item.dragging { opacity: 0.5; }
.drag-handle { cursor: grab; color: var(--gray-400); user-select: none; }
.sortable-item .admin-actions { margin-left: auto; }

/* Selection */
::selection {
  background: color-mix(in srgb, var(--color-accent) 30%, transparent);
  color: var(--white);
}