#root {
  min-height: 100vh;
}

.app-shell {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  min-height: 100vh;
}

.side-rail {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
  height: 100vh;
  padding: 18px;
  border-right: 1px solid var(--line);
  background: rgba(23, 17, 13, 0.78);
  backdrop-filter: blur(18px);
}

.brand-button,
.side-rail nav button,
.ghost-button,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
}

.brand-button {
  justify-content: flex-start;
  width: 100%;
  color: var(--brass);
  font-weight: 800;
}

.side-rail nav {
  display: grid;
  gap: 8px;
}

.side-rail nav button {
  justify-content: flex-start;
  width: 100%;
}

.session-chip {
  margin-top: auto;
  overflow: hidden;
  color: var(--ink-muted);
  font-size: 0.82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

main {
  min-width: 0;
  padding: 28px;
}

.page-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.span-2 {
  grid-column: span 2;
}

.span-3 {
  grid-column: 1 / -1;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(38, 26, 18, 0.82);
  box-shadow: var(--shadow);
}

.hero-band {
  grid-column: 1 / -1;
  display: flex;
  align-items: end;
  justify-content: space-between;
  min-height: 270px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(120deg, rgba(32, 21, 14, 0.48), rgba(32, 21, 14, 0.92)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='420' viewBox='0 0 900 420'%3E%3Crect width='900' height='420' fill='%2320150e'/%3E%3Cg fill='none' stroke='%23d5a84d' stroke-opacity='.28'%3E%3Cpath d='M68 326h764M82 286h736M116 120h668M134 84h632'/%3E%3Cpath d='M138 84v242M274 84v242M418 84v242M572 84v242M724 84v242'/%3E%3C/g%3E%3Cg fill='%23a94834' fill-opacity='.72'%3E%3Crect x='166' y='126' width='48' height='156'/%3E%3Crect x='304' y='102' width='34' height='184'/%3E%3Crect x='614' y='134' width='58' height='150'/%3E%3C/g%3E%3Cg fill='%232d6f63' fill-opacity='.72'%3E%3Ccircle cx='492' cy='194' r='48'/%3E%3Cpath d='M742 124l34 92h-68z'/%3E%3C/g%3E%3C/svg%3E") center / cover;
}

.hero-band p,
.auth-hero p {
  margin: 0 0 8px;
  color: var(--brass);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: clamp(2.1rem, 6vw, 5rem);
  line-height: 0.95;
}

h2 {
  margin-bottom: 8px;
}

.primary-button {
  border-color: rgba(213, 168, 77, 0.62);
  background: linear-gradient(180deg, #d5a84d, #a94834);
  color: #17110d;
  font-weight: 800;
}

.ghost-button:hover,
.side-rail nav button:hover,
.brand-button:hover {
  border-color: rgba(213, 168, 77, 0.55);
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.book-card {
  display: grid;
  grid-template-columns: minmax(82px, 96px) minmax(0, 1fr);
  gap: 14px;
  min-height: 220px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(49, 34, 24, 0.94), rgba(23, 17, 13, 0.94));
}

.cover-button,
.book-portrait {
  display: grid;
  place-items: center;
  width: 100%;
  min-width: 0;
  aspect-ratio: 2 / 3;
  min-height: 0;
  border: 1px solid rgba(213, 168, 77, 0.35);
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(213, 168, 77, 0.2), rgba(45, 111, 99, 0.22)),
    var(--paper-soft);
  color: var(--brass);
}

.cover-button img,
.book-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-card h3 {
  margin-bottom: 5px;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.book-card-body {
  display: grid;
  align-content: start;
  min-width: 0;
}

.book-card p,
.book-facts p,
.section-heading p {
  color: var(--ink-muted);
}

.book-card-description {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.book-card-meta,
.book-card-actions,
.section-heading,
.reader-topbar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.book-card-actions,
.section-heading {
  justify-content: space-between;
}

.book-card-actions {
  flex-wrap: wrap;
  justify-content: flex-start;
}

.book-card-actions .ghost-button,
.book-card-actions .primary-button {
  flex: 1 1 86px;
  min-width: 0;
  padding-inline: 10px;
  white-space: nowrap;
}

.format-pill {
  padding: 4px 7px;
  border-radius: 999px;
  color: #17110d;
  font-size: 0.72rem;
  font-weight: 900;
  background: var(--brass);
}

.format-pdf {
  background: var(--lacquer);
  color: var(--ink);
}

.continue-grid,
.library-list,
.job-list {
  display: grid;
  gap: 10px;
}

.continue-tile,
.library-list button,
.job-list div,
.library-table > div {
  display: grid;
  gap: 5px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
  color: var(--ink);
  text-align: left;
}

.library-table > div {
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
}

.meter {
  display: block;
  width: 100%;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
}

.meter span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--verdigris), var(--brass));
}

.auth-surface {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 420px);
  gap: 24px;
  min-height: 100vh;
  padding: 28px;
}

.auth-hero {
  display: flex;
  flex-direction: column;
  justify-content: end;
  min-height: calc(100vh - 56px);
  padding: 28px;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(23, 17, 13, 0.12), rgba(23, 17, 13, 0.9)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='720' height='960' viewBox='0 0 720 960'%3E%3Crect width='720' height='960' fill='%23261a12'/%3E%3Cpath d='M80 190h560v590H80z' fill='none' stroke='%23d5a84d' stroke-opacity='.38' stroke-width='6'/%3E%3Ccircle cx='360' cy='426' r='112' fill='%232d6f63' fill-opacity='.64'/%3E%3Cpath d='M210 676h300M244 728h232M180 250h360' stroke='%23e8d2a6' stroke-opacity='.36' stroke-width='10'/%3E%3C/svg%3E") center / cover;
}

.auth-panel {
  align-self: center;
}

.stack-form,
.admin-form {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

input {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 12px;
  color: var(--ink);
  background: rgba(0, 0, 0, 0.22);
}

.full-width {
  width: 100%;
  margin-top: 12px;
}

.error-ribbon {
  margin: 10px 0;
  padding: 10px 12px;
  border: 1px solid rgba(169, 72, 52, 0.72);
  border-radius: var(--radius);
  color: #ffd8cf;
  background: rgba(169, 72, 52, 0.18);
}

.success-ribbon {
  margin: 10px 0;
  padding: 10px 12px;
  border: 1px solid rgba(45, 111, 99, 0.72);
  border-radius: var(--radius);
  color: #d8fff5;
  background: rgba(45, 111, 99, 0.18);
}

.initial-admin-box {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  margin: 12px 0;
  padding: 12px;
  border: 1px solid rgba(213, 168, 77, 0.45);
  border-radius: var(--radius);
  background: rgba(213, 168, 77, 0.12);
}

.initial-admin-box div {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.initial-admin-box code {
  width: max-content;
  max-width: 100%;
  overflow-wrap: anywhere;
  color: var(--brass);
}

.muted-copy,
.initial-admin-box span,
.initial-admin-box small {
  color: var(--ink-muted);
}

.retry-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 10px 0;
  color: var(--ink-muted);
}

.empty-state,
.loading-state {
  display: grid;
  place-items: center;
  gap: 8px;
  min-height: 160px;
  color: var(--ink-muted);
  text-align: center;
}

.specimen-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--brass);
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid rgba(255, 255, 255, 0.13);
  border-top-color: var(--brass);
  border-radius: 999px;
  animation: spin 0.9s linear infinite;
}

.search-form {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.book-detail {
  display: grid;
  grid-template-columns: minmax(220px, 360px) minmax(0, 1fr);
  gap: 18px;
}

.book-portrait {
  min-height: 520px;
}

.lead {
  font-size: 1.15rem;
}

.profile-panel {
  display: grid;
  gap: 10px;
  justify-items: start;
}

.reader-page {
  display: grid;
  gap: 12px;
  min-height: 100vh;
  padding: 14px;
  background: #120e0b;
}

.reader-topbar {
  justify-content: space-between;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(38, 26, 18, 0.84);
}

.reader-topbar div {
  display: grid;
  justify-items: center;
}

.reader-topbar span {
  color: var(--ink-muted);
  font-size: 0.82rem;
}

.pdf-reader,
.epub-reader {
  display: grid;
  place-items: center;
  gap: 10px;
  min-height: calc(100vh - 120px);
}

.pdf-reader canvas,
.epub-reader iframe {
  max-width: min(100%, 980px);
  max-height: calc(100vh - 170px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f7f0df;
}

.epub-reader iframe {
  width: min(100%, 980px);
  height: calc(100vh - 170px);
}

.reader-fallback {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  color: var(--ink-muted);
}

.reader-stepper {
  display: flex;
  align-items: center;
  gap: 12px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 900px) {
  .app-shell,
  .auth-surface,
  .book-detail {
    grid-template-columns: 1fr;
  }

  .side-rail {
    position: fixed;
    inset: auto 0 0;
    z-index: 10;
    flex-direction: row;
    height: auto;
    padding: 8px;
  }

  .side-rail nav {
    grid-template-columns: repeat(4, 1fr);
    flex: 1;
  }

  .side-rail nav button span,
  .brand-button span,
  .session-chip {
    display: none;
  }

  main {
    padding: 16px 16px 86px;
  }

  .page-grid {
    grid-template-columns: 1fr;
  }

  .span-2,
  .span-3 {
    grid-column: 1;
  }

  .hero-band {
    min-height: 220px;
    align-items: start;
    flex-direction: column;
  }

  .auth-surface {
    padding: 16px;
  }

  .auth-hero {
    min-height: 360px;
  }

  .book-card {
    grid-template-columns: minmax(72px, 82px) minmax(0, 1fr);
  }

  .book-card-actions .ghost-button {
    display: none;
  }

  .library-table > div,
  .search-form {
    grid-template-columns: 1fr;
  }
}