@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;700;800&family=Noto+Serif+TC:wght@500;700;900&display=swap");

:root {
  color-scheme: light;
  --font-sans: "Noto Sans TC", "Microsoft JhengHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: "Noto Serif TC", "Noto Sans TC", "Songti TC", serif;
  --ink: #211f1b;
  --muted: #716b62;
  --line: #ded7c8;
  --paper: #fbf8ef;
  --surface: rgba(255, 255, 255, 0.94);
  --accent: #a10f1b;
  --accent-dark: #760a13;
  --gold: #b99a53;
  --gold-soft: #f2df80;
  --button: #c8ad70;
  --button-dark: #9b8355;
  --button-text: #211f1b;
  --shadow: 0 20px 55px rgba(82, 61, 24, 0.13);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 78% 8%, rgba(242, 223, 128, 0.44), transparent 30%),
    linear-gradient(180deg, #fffdf7 0%, #f2ead8 100%);
  color: var(--ink);
  font-family: var(--font-sans);
}

button,
input {
  font: inherit;
  font-family: var(--font-sans);
}

button {
  border: 0;
  cursor: pointer;
}

.app-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 48px;
}

.search-panel,
.results-panel {
  background: var(--surface);
  border: 1px solid rgba(222, 215, 200, 0.95);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.search-panel {
  position: relative;
  overflow: hidden;
  padding: 28px;
}

.search-panel::after {
  position: absolute;
  right: -42px;
  bottom: -76px;
  width: 260px;
  height: 260px;
  background: url("./assets/logo.jpg") center / contain no-repeat;
  content: "";
  opacity: 0.055;
  pointer-events: none;
}

.brand-header {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.brand-logo {
  width: 96px;
  height: 96px;
  border: 1px solid rgba(185, 154, 83, 0.45);
  border-radius: 8px;
  background: #ffffff;
  object-fit: contain;
  padding: 5px;
  box-shadow: 0 12px 30px rgba(82, 61, 24, 0.12);
}

.brand-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  display: grid;
  gap: 6px;
  margin: 0;
  letter-spacing: 0;
}

h1 span {
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.78rem, 4.2vw, 3.25rem);
  font-weight: 900;
  line-height: 1.1;
}

h1 strong {
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: clamp(1.42rem, 3.36vw, 2.6rem);
  font-weight: 700;
  line-height: 1.1;
}

.search-box {
  position: relative;
  z-index: 1;
  margin-top: 28px;
}

.search-box label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.94rem;
}

.search-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 10px;
}

.search-row input {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  padding: 0 15px;
}

.search-row input:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(161, 15, 27, 0.14);
}

.search-actions {
  display: flex;
  gap: 10px;
}

.search-row button,
.retry-button {
  min-height: 50px;
  padding: 0 24px;
  border-radius: 8px;
  background: var(--button);
  color: var(--button-text);
  font-weight: 800;
  white-space: nowrap;
  box-shadow: 0 8px 18px rgba(155, 131, 85, 0.22);
}

.search-row button:hover,
.retry-button:hover {
  background: var(--button-dark);
  color: #ffffff;
}

.search-row button:focus-visible,
.retry-button:focus-visible,
.purchase-links a:focus-visible,
.social-links a:focus-visible,
.platform-links a:focus-visible {
  outline: 3px solid rgba(161, 15, 27, 0.22);
  outline-offset: 2px;
}

.search-row button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.search-row .secondary-button {
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--muted);
  box-shadow: none;
}

.search-row .secondary-button:hover {
  border-color: var(--button-dark);
  background: #f7efdc;
  color: var(--ink);
}

.status-bar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.book-intake-callout {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 20px;
  padding: 16px 18px;
  border: 1px solid rgba(185, 154, 83, 0.44);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(247, 239, 220, 0.96), rgba(255, 253, 247, 0.94));
}

.book-intake-callout div {
  display: grid;
  gap: 4px;
}

.book-intake-callout strong {
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.06rem;
}

.book-intake-callout span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.book-intake-callout button {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--gold);
  border-radius: 999px;
  background: #fffdf7;
  color: #4b4131;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: none;
}

.book-intake-callout button:hover {
  border-color: var(--button-dark);
  background: #f7efdc;
  color: var(--ink);
}

.book-intake-callout button:focus-visible,
.dialog-close:focus-visible,
.dialog-actions a:focus-visible,
.dialog-actions button:focus-visible {
  outline: 3px solid rgba(161, 15, 27, 0.24);
  outline-offset: 3px;
}

.results-panel {
  margin-top: 18px;
  overflow: hidden;
}

.results-panel tbody {
  transition: opacity 160ms ease;
}

.results-panel.is-loading tbody {
  opacity: 0.42;
}

.list-intro {
  padding: 22px 24px 4px;
  border-bottom: 1px solid rgba(222, 215, 200, 0.7);
}

.list-intro h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
  font-weight: 900;
  letter-spacing: 0;
}

.list-intro p {
  max-width: 720px;
  margin: 8px 0 14px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.7;
}

.results-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  border-bottom: 1px solid rgba(222, 215, 200, 0.78);
  background: rgba(255, 253, 247, 0.76);
}

.filter-label {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.book-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.book-filters button {
  min-height: 36px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.book-filters button:hover {
  border-color: rgba(161, 15, 27, 0.34);
  color: var(--accent);
}

.book-filters button.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.book-filters button:focus-visible,
.results-footer-controls button:focus-visible {
  outline: 3px solid rgba(161, 15, 27, 0.22);
  outline-offset: 2px;
}

.table-wrap {
  position: relative;
  min-height: 240px;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #f7efdc;
  color: #4b4131;
  font-size: 0.9rem;
}

td {
  background: rgba(255, 255, 255, 0.74);
  line-height: 1.45;
}

.book-title-cell {
  min-width: 220px;
}

.purchase-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 180px;
}

.purchase-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: #ffffff;
  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease;
}

.purchase-links a:hover {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: #ffffff;
}

.purchase-inquiry-link {
  color: #6f665a;
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(111, 102, 90, 0.42);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  white-space: nowrap;
}

.purchase-inquiry-link:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

.purchase-inquiry-link:focus-visible {
  outline: 3px solid rgba(161, 15, 27, 0.22);
  outline-offset: 3px;
}

.results-footer-controls {
  padding: 18px 20px 22px;
  text-align: center;
}

.results-footer-controls button {
  min-height: 42px;
  padding: 8px 20px;
  border: 1px solid rgba(161, 15, 27, 0.28);
  border-radius: 999px;
  background: #ffffff;
  color: var(--accent);
  font-weight: 800;
}

.results-footer-controls button:hover {
  border-color: var(--accent);
  background: #f7efdc;
}

.empty-state {
  display: grid;
  gap: 8px;
  place-items: center;
  min-height: 240px;
  padding: 30px;
  color: var(--muted);
  text-align: center;
}

.empty-state strong {
  color: var(--ink);
  font-size: 1.08rem;
}

.retry-button {
  min-height: 42px;
  margin-top: 6px;
  padding: 0 18px;
}

.site-footer {
  display: grid;
  gap: 14px;
  margin-top: 24px;
  padding: 22px 16px 4px;
  border-top: 1px solid rgba(222, 215, 200, 0.85);
  color: #5e584f;
  text-align: center;
}

.footer-motto {
  color: var(--gold);
  font-family: var(--font-serif);
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-footer h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  font-weight: 900;
  letter-spacing: 0.04em;
}

.footer-copy {
  display: grid;
  gap: 4px;
  margin: 0;
  color: #4f4a43;
  font-family: var(--font-serif);
  font-size: 0.94rem;
  font-weight: 500;
  line-height: 1.7;
}

.site-footer span {
  display: block;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 4px;
}

.social-links a {
  min-height: 34px;
  padding: 7px 14px;
  border: 1px solid rgba(185, 154, 83, 0.42);
  border-radius: 999px;
  background: rgba(255, 253, 247, 0.72);
  color: #6c5b36;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  text-underline-offset: 4px;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease;
}

.social-links a:hover {
  border-color: rgba(155, 131, 85, 0.68);
  background: rgba(247, 239, 220, 0.92);
  color: #4f4127;
  text-decoration: none;
}

.platform-section {
  display: grid;
  gap: 9px;
  margin-top: 2px;
}

.footer-label {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.platform-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
}

.platform-links a {
  min-height: 32px;
  padding: 6px 13px;
  border: 1px solid rgba(113, 107, 98, 0.26);
  border-radius: 999px;
  background: rgba(247, 239, 220, 0.45);
  color: #625d54;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease;
}

.platform-links a:hover {
  border-color: rgba(113, 107, 98, 0.42);
  background: rgba(247, 239, 220, 0.76);
  color: #423d36;
}

.site-footer small {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.book-intake-dialog {
  width: min(720px, calc(100% - 28px));
  max-height: calc(100vh - 28px);
  margin: auto;
  padding: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 24px 80px rgba(33, 31, 27, 0.32);
}

.book-intake-dialog::backdrop {
  background: rgba(33, 31, 27, 0.68);
  backdrop-filter: blur(3px);
}

.dialog-header {
  position: sticky;
  z-index: 2;
  top: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(251, 248, 239, 0.97);
}

.dialog-header .eyebrow {
  margin-bottom: 4px;
}

.dialog-header h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.45rem;
}

.dialog-close {
  display: grid;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink);
  font-size: 1.7rem;
  line-height: 1;
}

.book-intake-intro {
  margin: 18px 20px 16px;
}

.book-intake-intro h3,
.book-intake-image-title {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.14rem;
  font-weight: 900;
  line-height: 1.5;
}

.book-intake-intro p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.7;
}

.book-intake-methods {
  margin: 0 20px 14px;
}

.book-intake-methods h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 900;
}

.book-intake-section-intro {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.book-intake-status {
  margin: 0 0 12px;
  padding: 14px 15px;
  border: 1px solid rgba(161, 15, 27, 0.2);
  border-radius: 8px;
  background: rgba(255, 253, 247, 0.86);
}

.book-intake-status-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.book-intake-status-heading > span {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.book-intake-status-heading h4 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 900;
}

.book-intake-status-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 12px;
}

.book-intake-status-grid > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 11px;
  border: 1px solid rgba(185, 154, 83, 0.3);
  border-radius: 7px;
  background: #ffffff;
}

.book-intake-status-grid strong {
  color: #4b4131;
  font-size: 0.87rem;
}

.intake-status-badge {
  color: #386341;
  font-size: 0.84rem;
  font-weight: 800;
  white-space: nowrap;
}

.intake-status-badge.is-closed {
  color: var(--accent);
}

.book-intake-status-notice,
.book-intake-status-reminder {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.7;
}

.book-intake-status-reminder {
  color: #4b4131;
  font-weight: 700;
}

.book-intake-method-list {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.book-intake-method {
  padding: 14px 15px;
  border: 1px solid rgba(185, 154, 83, 0.38);
  border-radius: 8px;
  background: rgba(247, 239, 220, 0.62);
}

.book-intake-method strong {
  display: block;
  color: #4b4131;
  font-size: 0.94rem;
  line-height: 1.45;
}

.book-intake-method-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.method-status-badge {
  flex: 0 0 auto;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(56, 99, 65, 0.1);
  color: #386341;
  font-size: 0.76rem;
  font-weight: 800;
  white-space: nowrap;
}

.method-status-badge.is-closed {
  background: rgba(161, 15, 27, 0.08);
  color: var(--accent);
}

.book-intake-method p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.book-donation-section {
  margin: 0 20px 18px;
  padding: 16px;
  border: 1px solid rgba(113, 107, 98, 0.28);
  border-left: 4px solid var(--gold);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
}

.book-donation-section h3 {
  margin: 0 0 10px;
  color: #4b4131;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 900;
}

.book-donation-section h4 {
  margin: 14px 0 2px;
  color: #4b4131;
  font-size: 0.92rem;
  font-weight: 800;
}

.book-donation-section p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

.book-intake-image-title {
  margin: 0 20px 10px;
  font-size: 1.08rem;
}

.book-intake-image-note {
  margin: -2px 20px 10px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.65;
}

.dialog-image-link {
  display: block;
  margin: 0 20px;
}

.dialog-image-link img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 18px 20px 20px;
}

.dialog-actions a,
.dialog-actions button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.dialog-actions .dialog-primary-action {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.dialog-actions .dialog-primary-action:hover {
  background: var(--accent-dark);
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 18px;
  }

  .search-panel {
    padding: 18px;
  }

  .brand-header {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 13px;
  }

  .brand-logo {
    width: 72px;
    height: 72px;
    padding: 5px;
  }

  .search-row,
  .status-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .search-row button {
    width: 100%;
  }

  .search-actions {
    width: 100%;
  }

  .search-actions .secondary-button {
    flex: 0 0 auto;
    width: auto;
  }

  .search-actions #searchButton {
    flex: 1;
  }

  .book-intake-callout {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }

  .book-intake-callout button {
    width: 100%;
  }

  .table-wrap {
    padding: 12px;
    overflow-x: visible;
  }

  table,
  tbody,
  tr,
  td {
    display: block;
    width: 100%;
  }

  thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }

  tbody {
    display: grid;
    gap: 12px;
  }

  tr {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.82);
  }

  td {
    display: grid;
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 10px;
    padding: 10px 12px;
    border-bottom: 1px solid rgba(222, 215, 200, 0.72);
    background: transparent;
  }

  td:last-child {
    border-bottom: 0;
  }

  td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 800;
  }

  .author-cell.is-empty {
    display: none;
  }

  .book-title-cell {
    min-width: 0;
    background: #f7efdc;
    font-weight: 700;
  }

  .list-intro {
    padding: 18px 16px 2px;
  }

  .results-toolbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 12px 16px;
  }

  .book-filters {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr 1fr;
  }

  .book-filters button {
    width: 100%;
  }

  .purchase-links {
    flex-direction: column;
    min-width: 0;
  }

  .purchase-links a {
    width: 100%;
    white-space: normal;
  }

  .dialog-header {
    padding: 16px;
  }

  .book-intake-intro,
  .book-intake-methods,
  .book-donation-section,
  .book-intake-image-title,
  .book-intake-image-note,
  .dialog-image-link {
    margin-right: 16px;
    margin-left: 16px;
  }

  .book-intake-method-list {
    grid-template-columns: 1fr;
  }

  .book-intake-status-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .book-intake-status-grid {
    grid-template-columns: 1fr;
  }

  .dialog-actions {
    align-items: stretch;
    flex-direction: column;
    padding: 16px;
  }
}