:root {
  --page-bg: #ffffff;
  --text: #171717;
  --muted: #7a7f86;
  --soft-border: #e9e9e9;
  --soft-bg: #f8f8f8;
  --verified: #256f3a;
  --warning: #985c00;
  --error: #a12a2a;
  --reader-width: 620px;
  --side-padding: clamp(20px, 5vw, 48px);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--page-bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

button,
select {
  font: inherit;
}

.site-header {
  width: 100%;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px var(--side-padding);
}

.brand {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.verify-pill {
  max-width: 52vw;
  padding: 7px 11px;
  border: 1px solid var(--soft-border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.verify-pill.is-verified {
  color: var(--verified);
  border-color: rgba(37, 111, 58, 0.25);
}

.verify-pill.is-warning {
  color: var(--warning);
  border-color: rgba(152, 92, 0, 0.25);
}

.verify-pill.is-error {
  color: var(--error);
  border-color: rgba(161, 42, 42, 0.25);
}

.reader-shell {
  position: relative;
  width: 100%;
  min-height: calc(100vh - 64px);
  display: flex;
  justify-content: center;
  padding: 22px var(--side-padding) 96px;
}

.chapter {
  width: 100%;
  max-width: var(--reader-width);
}

.book-label {
  margin: 0 0 14px;
  text-align: center;
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  font-weight: 800;
  letter-spacing: 0.12em;
}

.reader-controls {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 12px;
  margin: 0 0 clamp(46px, 7vw, 78px);
}

.reader-control {
  min-width: 0;
}

.reader-select-label {
  display: block;
  margin: 0 0 6px;
  text-align: center;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.reader-select {
  width: 100%;
  min-height: 42px;
  padding: 0.55rem 2rem 0.55rem 0.9rem;
  border: 1px solid var(--soft-border);
  border-radius: 999px;
  background: #ffffff;
  color: var(--text);
  font-size: 0.92rem;
  cursor: pointer;
}

.reader-select:focus {
  outline: 2px solid #d4c2aa;
  outline-offset: 2px;
}

.book-select {
  min-width: 165px;
}

.chapter-select {
  min-width: 120px;
}

.section-heading {
  margin: 0 0 clamp(24px, 4vw, 34px);
  font-size: clamp(1.55rem, 3vw, 2.05rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.section-heading[hidden] {
  display: none;
}

.scripture-text {
  font-size: clamp(1.2rem, 2.35vw, 1.65rem);
  line-height: 1.85;
  letter-spacing: -0.02em;
}

.verse {
  margin: 0;
}

.verse-number {
  position: relative;
  top: -0.45em;
  margin-right: 0.28em;
  color: var(--muted);
  font-size: 0.58em;
  font-weight: 500;
  line-height: 0;
}

.red-letter {
  color: #b3261e;
}

.nav-button {
  position: fixed;
  top: 50%;
  width: 58px;
  height: 58px;
  transform: translateY(-50%);
  border: 1px solid var(--soft-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: #777;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
  cursor: pointer;
  font-size: 2.25rem;
  line-height: 1;
}

.nav-button:hover {
  color: var(--text);
  background: #fff;
}

.nav-button:disabled {
  opacity: 0.25;
  cursor: default;
}

.nav-left {
  left: clamp(18px, 14vw, 315px);
}

.nav-right {
  right: clamp(18px, 14vw, 315px);
}

.info-panel {
  padding: 20px;
  border: 1px solid var(--soft-border);
  border-radius: 18px;
  background: var(--soft-bg);
  color: #343434;
  font-size: 0.94rem;
  line-height: 1.55;
}

.verification-panel {
  margin-top: 72px;
}

.info-panel h2 {
  margin: 0 0 8px;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.info-panel p {
  margin: 0 0 16px;
  color: var(--muted);
}

.info-panel dl {
  margin: 0;
  display: grid;
  gap: 14px;
}

.info-panel dt {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.info-panel dd {
  margin: 0;
}

.source-card {
  margin-top: 16px;
  padding: 20px;
  border: 1px solid var(--soft-border);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(248, 248, 248, 0.96)),
    var(--soft-bg);
  color: #343434;
}

.source-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--soft-border);
}

.source-kicker {
  margin: 0;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.source-summary {
  max-width: 260px;
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
  text-align: right;
}

.source-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.source-item {
  min-width: 0;
  padding: 14px;
  border: 1px solid rgba(233, 233, 233, 0.9);
  border-radius: 14px;
  background: #ffffff;
}

.source-item dt {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.source-item dd {
  margin: 0;
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 650;
  line-height: 1.35;
}

.source-file-item {
  grid-column: 1 / -1;
}

.source-file-item dd {
  font-weight: 500;
}

.method-card {
  margin-top: 16px;
  border: 1px solid var(--soft-border);
  border-radius: 18px;
  background: #ffffff;
  color: #343434;
}

.method-details {
  padding: 0;
}

.method-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 58px;
  padding: 0 20px;
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  list-style: none;
}

.method-details summary::-webkit-details-marker {
  display: none;
}

.method-details summary::after {
  content: "+";
  color: var(--muted);
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1;
}

.method-details[open] summary {
  border-bottom: 1px solid var(--soft-border);
}

.method-details[open] summary::after {
  content: "−";
}

.method-content {
  padding: 18px 20px 20px;
}

.method-content p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.method-content p + p {
  margin-top: 12px;
}

code {
  overflow-wrap: anywhere;
  font-size: 0.82em;
}

.mobile-nav {
  display: none;
}

@media (max-width: 900px) {
  .nav-button {
    display: none;
  }

  .reader-shell {
    min-height: auto;
    padding-top: 18px;
  }

  .reader-controls {
    margin-bottom: 48px;
  }

  .mobile-nav {
    position: sticky;
    bottom: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 12px var(--side-padding);
    border-top: 1px solid var(--soft-border);
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
  }

  .mobile-nav button {
    min-height: 44px;
    border: 1px solid var(--soft-border);
    border-radius: 999px;
    background: #fff;
    color: var(--text);
  }

  .mobile-nav button:disabled {
    opacity: 0.35;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 58px;
    align-items: flex-start;
  }

  .brand {
    font-size: 0.72rem;
  }

  .verify-pill {
    max-width: 58vw;
    font-size: 0.72rem;
  }

  .reader-controls {
    gap: 8px;
    margin-bottom: 42px;
  }

  .book-select {
    min-width: 145px;
  }

  .chapter-select {
    min-width: 105px;
  }

  .reader-select {
    min-height: 40px;
    font-size: 0.86rem;
  }

  .reader-select-label {
    font-size: 0.68rem;
  }

  .scripture-text {
    line-height: 1.78;
  }

  .info-panel,
  .source-card,
  .method-card {
    border-radius: 14px;
  }

  .verification-panel {
    margin-top: 54px;
  }

  .source-card-header {
    display: block;
  }

  .source-summary {
    max-width: none;
    margin-top: 8px;
    text-align: left;
  }

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

  .source-file-item {
    grid-column: auto;
  }

  .method-details summary {
    min-height: 54px;
    padding: 0 18px;
    font-size: 0.84rem;
  }

  .method-content {
    padding: 16px 18px 18px;
  }
}

.pw-loading-card {
  box-sizing: border-box;
  width: min(100%, 520px);
  margin: 0 auto;
  padding: 40px 32px;
  border: 1px solid rgba(20, 20, 20, 0.08);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 24px 70px rgba(20, 20, 20, 0.08);
  text-align: center;
}

.pw-loading-spinner {
  width: 34px;
  height: 34px;
  margin: 0 auto 22px;
  border: 3px solid rgba(20, 20, 20, 0.12);
  border-top-color: rgba(20, 20, 20, 0.72);
  border-radius: 999px;
  animation: pw-loading-spin 0.9s linear infinite;
}

.pw-loading-eyebrow {
  margin: 0 0 10px;
  color: #7b828c;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.pw-loading-title {
  margin: 0;
  color: #181818;
  font-size: clamp(1.65rem, 4vw, 2.25rem);
  font-weight: 850;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.pw-loading-copy {
  max-width: 380px;
  margin: 16px auto 0;
  color: #68707a;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.6;
}

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