:root {
  --bg: #f4efe3;
  --bg-soft: #f8f4ec;
  --paper: rgba(255, 252, 245, 0.9);
  --ink: #1c2b38;
  --muted: #5a6a75;
  --line: rgba(28, 43, 56, 0.12);
  --accent: #106164;
  --accent-deep: #0d3b48;
  --accent-soft: rgba(16, 97, 100, 0.12);
  --gold: #d3a146;
  --warn: #a03737;
  --shadow: 0 24px 70px rgba(23, 42, 53, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --font-display: "Palatino Linotype", "Book Antiqua", "Noto Serif TC", serif;
  --font-sans: "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --font-verse: "Georgia", "Noto Serif TC", serif;
  --verse-font-size: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(211, 161, 70, 0.22), transparent 30%),
    radial-gradient(circle at bottom right, rgba(16, 97, 100, 0.18), transparent 28%),
    linear-gradient(180deg, #fcfaf5 0%, var(--bg) 100%);
  font-family: var(--font-sans);
  min-height: 100vh;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.2) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 78%);
  opacity: 0.35;
}

body::after {
  background:
    radial-gradient(circle at 15% 18%, rgba(16, 97, 100, 0.1), transparent 18%),
    radial-gradient(circle at 78% 10%, rgba(211, 161, 70, 0.12), transparent 14%);
}

a {
  color: var(--accent-deep);
}

.shell {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: calc(env(safe-area-inset-top, 0px) + 12px) 0 36px;
}

.hero {
  display: grid;
  gap: 22px;
  padding: 12px 0 10px;
}

.hero-copy {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(14, 59, 72, 0.94), rgba(29, 74, 77, 0.88)),
    linear-gradient(45deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0));
  color: #fdf8ec;
  padding: 28px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero-copy::after {
  content: "";
  position: absolute;
  inset: auto -8% -50% auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(211, 161, 70, 0.28), transparent 70%);
}

.eyebrow {
  margin: 0 0 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.76rem;
  color: rgba(253, 248, 236, 0.74);
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 3rem);
  line-height: 0.95;
}

.lead {
  margin: 16px 0 0;
  max-width: 780px;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(253, 248, 236, 0.9);
}

.app-card,
.status-bar,
.result-card,
.empty-state,
.footer {
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.app-card {
  padding: 20px;
  border-radius: var(--radius-xl);
}

.mode-toggle {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  background: rgba(13, 59, 72, 0.08);
  border-radius: 999px;
  padding: 6px;
}

.mode-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  transition: 180ms ease;
}

.mode-button:hover,
.mode-button:focus-visible {
  color: var(--accent-deep);
  outline: none;
}

.mode-button.is-active {
  background: #fff;
  color: var(--accent-deep);
  box-shadow: 0 10px 24px rgba(13, 59, 72, 0.12);
}

.search-form {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.query-input,
.select-field,
.primary-button,
.secondary-button {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 16px;
  font: inherit;
}

.query-input,
.select-field {
  background: #fffdf8;
  color: var(--ink);
  padding: 16px 18px;
  box-shadow: inset 0 0 0 1px rgba(28, 43, 56, 0.07);
  transition: box-shadow 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.query-input {
  width: 100%;
  min-height: 58px;
  font-size: 1rem;
}

.query-input:focus-visible,
.select-field:focus-visible {
  outline: none;
  border-color: rgba(16, 97, 100, 0.2);
  box-shadow:
    inset 0 0 0 1px rgba(16, 97, 100, 0.18),
    0 0 0 4px rgba(16, 97, 100, 0.12);
  transform: translateY(-1px);
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  min-height: 58px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.primary-button {
  background: linear-gradient(135deg, #0e5c68, #124a58);
  color: #fefcf7;
  box-shadow: 0 18px 34px rgba(13, 59, 72, 0.18);
}

#submit-button {
  min-width: 96px;
  padding: 0 11px;
}

#copy-verses-button,
.secondary-button[data-results-action="copy-verses"] {
  background: linear-gradient(135deg, #b63f3f, #8f2323);
  color: #fff8f8;
  border-color: rgba(124, 31, 31, 0.35);
  box-shadow: 0 14px 28px rgba(143, 35, 35, 0.22);
}

#copy-verses-button:hover,
#copy-verses-button:focus-visible,
.secondary-button[data-results-action="copy-verses"]:hover,
.secondary-button[data-results-action="copy-verses"]:focus-visible {
  background: linear-gradient(135deg, #c14949, #9b2a2a);
}

.secondary-button {
  background: rgba(255, 255, 255, 0.78);
  color: var(--accent-deep);
  border-color: rgba(13, 59, 72, 0.12);
}

.primary-button:hover,
.secondary-button:hover,
.primary-button:focus-visible,
.secondary-button:focus-visible {
  transform: translateY(-2px);
}

.primary-button:disabled,
.secondary-button:disabled {
  cursor: not-allowed;
  opacity: 0.72;
  transform: none;
}

.control-row {
  display: grid;
  gap: 12px;
}

#passage-controls {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 8px;
}

.field-legend {
  margin: 0;
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.translation-controls,
.reading-controls {
  display: grid;
  gap: 10px;
}

.reading-controls {
  position: sticky;
  top: calc(env(safe-area-inset-top, 0px) + 6px);
  z-index: 60;
  width: min(calc(100% - 18px), 430px);
  margin: 0 auto 14px;
  padding: 8px 10px;
  border-radius: 16px;
  background: rgba(255, 252, 245, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: 0 14px 28px rgba(13, 59, 72, 0.14);
}

.font-size-control {
  display: grid;
  gap: 6px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.font-size-control > span {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.15;
}

.font-size-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 8px;
}

.font-size-hint {
  color: var(--muted);
  font-size: 0.74rem;
}

.font-size-range {
  width: 100%;
  accent-color: #0e5c68;
}

.font-size-value {
  min-width: 3rem;
  text-align: right;
  color: var(--accent-deep);
  font-size: 0.82rem;
  font-weight: 700;
}

.translation-toggle-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.translation-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 0 0 1px rgba(28, 43, 56, 0.08);
}

.translation-toggle-input {
  width: 18px;
  height: 18px;
  accent-color: #0e5c68;
}

.translation-toggle-label {
  font-size: 0.94rem;
  font-weight: 600;
}

.field span,
.helper-title,
.status-label,
.translation-meta,
.result-mode,
.empty-state p,
.footer {
  color: var(--muted);
}

.field span,
.status-label {
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.helper-row {
  display: grid;
  gap: 14px;
  align-items: start;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.helper-title {
  margin: 0 0 10px;
  line-height: 1.7;
}

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

.chip {
  border: 0;
  border-radius: 999px;
  padding: 8px 14px;
  background: rgba(16, 97, 100, 0.09);
  color: var(--accent-deep);
  cursor: pointer;
  font-weight: 600;
  transition: 160ms ease;
}

.chip:hover,
.chip:focus-visible {
  outline: none;
  transform: translateY(-1px);
  background: rgba(16, 97, 100, 0.15);
}

.main-content {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.status-bar {
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: grid;
  gap: 12px;
}

.status-text {
  margin: 4px 0 0;
  font-size: 1.05rem;
  line-height: 1.65;
}

.status-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border-radius: 999px;
  background: rgba(13, 59, 72, 0.07);
  color: var(--accent-deep);
  font-size: 0.9rem;
  font-weight: 600;
}

.results {
  display: grid;
  gap: 18px;
}

.empty-state,
.feedback-card {
  padding: 26px;
  border-radius: var(--radius-lg);
}

.empty-state h2,
.feedback-card h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}

.feedback-card.error {
  border-left: 5px solid var(--warn);
}

.feedback-card.loading {
  position: relative;
  overflow: hidden;
}

.feedback-card.loading::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    transparent 10%,
    rgba(255, 255, 255, 0.46) 45%,
    transparent 70%
  );
  transform: translateX(-100%);
  animation: shimmer 1.4s infinite;
}

.result-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  animation: fade-up 260ms ease both;
}

.result-card.is-focus-target {
  box-shadow:
    var(--shadow),
    0 0 0 3px rgba(211, 161, 70, 0.34);
}

.result-header {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(13, 59, 72, 0.06), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.5);
}

.result-header-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.result-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.result-header-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.result-title h3 {
  margin: 0;
  font-size: 1.18rem;
  font-family: var(--font-display);
}

.result-reference-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(16, 97, 100, 0.24);
  transition: color 180ms ease, border-color 180ms ease;
}

.result-reference-link:hover,
.result-reference-link:focus-visible {
  color: var(--accent-deep);
  border-color: rgba(16, 97, 100, 0.72);
  outline: none;
}

.external-reference-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(16, 97, 100, 0.16);
  background: rgba(16, 97, 100, 0.08);
  color: var(--accent-deep);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.external-reference-link:hover,
.external-reference-link:focus-visible {
  background: rgba(16, 97, 100, 0.14);
  border-color: rgba(16, 97, 100, 0.28);
  transform: translateY(-1px);
  outline: none;
}

.result-mode {
  font-size: 0.92rem;
}

.result-selector {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 600;
}

.result-selector-inline {
  padding-left: 2px;
}

.result-selector-input {
  width: 18px;
  height: 18px;
  accent-color: #0e5c68;
}

.translation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
}

.results-top-navigation {
  display: grid;
  gap: 14px;
  padding: 18px 20px 22px;
  border-radius: var(--radius-lg);
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow);
}

.results-footer {
  display: grid;
  gap: 14px;
  padding: 18px 20px 22px;
  border-radius: var(--radius-lg);
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow);
}

.chapter-navigation {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.chapter-navigation-meta,
.results-footer-actions {
  display: grid;
  gap: 8px;
}

.chapter-navigation-meta {
  justify-items: center;
  text-align: center;
}

.chapter-navigation-meta strong {
  font-family: var(--font-display);
  font-size: 1.12rem;
}

.results-footer-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.results-footer-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.translation-empty {
  padding: 22px 18px;
  color: var(--muted);
  line-height: 1.7;
}

.translation-panel {
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  min-height: 170px;
  background: rgba(255, 255, 255, 0.48);
}

.translation-panel:nth-child(odd) {
  background: rgba(255, 255, 255, 0.6);
}

.translation-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 700;
}

.version-badge.asv {
  background: rgba(31, 111, 181, 0.14);
  color: #195687;
}

.version-badge.unv {
  background: rgba(161, 55, 55, 0.14);
  color: #8d3131;
}

.version-badge.ncv {
  background: rgba(44, 138, 76, 0.14);
  color: #236a39;
}

.version-badge.esv {
  background: rgba(16, 97, 100, 0.14);
  color: #0e5a5d;
}

.version-badge.niv {
  background: rgba(204, 92, 44, 0.14);
  color: #a34d22;
}

.version-badge.lcc {
  background: rgba(107, 79, 153, 0.14);
  color: #5f4490;
}

.translation-meta {
  font-size: 0.84rem;
}

.verse-text {
  display: block;
  margin: 0;
  font-family: var(--font-verse);
  font-size: var(--verse-font-size);
  line-height: 1.85;
}

.verse-text-link {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px dashed transparent;
  border-radius: 10px;
  padding: 4px 6px;
  margin: -4px -6px;
  transition: background 180ms ease, border-color 180ms ease;
}

.verse-text-link:hover,
.verse-text-link:focus-visible {
  border-color: rgba(16, 97, 100, 0.42);
  background: rgba(16, 97, 100, 0.06);
  outline: none;
}

mark {
  background: rgba(211, 161, 70, 0.36);
  color: inherit;
  border-radius: 4px;
  padding: 0 3px;
}

.footer {
  margin-top: 24px;
  border-radius: var(--radius-lg);
  padding: 18px 20px 22px;
  line-height: 1.7;
}

.footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-top: 10px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@keyframes shimmer {
  to {
    transform: translateX(100%);
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 760px) {
  .search-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .control-row {
    grid-template-columns: repeat(2, minmax(180px, 240px));
  }

  #passage-controls {
    grid-template-columns: repeat(3, minmax(140px, 1fr));
  }

  .helper-row,
  .status-bar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (max-width: 759px) {
  .shell {
    width: min(100%, 900px);
    padding-top: calc(env(safe-area-inset-top, 0px) + 10px);
  }

  .hero-copy,
  .app-card,
  .status-bar,
  .empty-state,
  .feedback-card,
  .footer {
    padding: 18px;
  }

  .translation-panel {
    min-height: auto;
  }

  .reading-controls {
    top: calc(env(safe-area-inset-top, 0px) + 8px);
    width: calc(100% - 16px);
    margin-bottom: 14px;
    padding: 10px 12px;
  }

  .action-row {
    width: 100%;
  }

  .action-row .secondary-button {
    flex: 1 1 calc(50% - 6px);
    min-width: 0;
  }

  .results-footer .secondary-button {
    width: 100%;
  }

  .chapter-navigation {
    grid-template-columns: 1fr;
  }

  .translation-toggle {
    width: calc(50% - 5px);
    justify-content: flex-start;
  }

  .result-header-top {
    align-items: flex-start;
  }

  .result-header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .font-size-row {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .font-size-value {
    grid-column: 1 / -1;
  }
}