:root {
  color-scheme: light;
  --bg: #f7f4ed;
  --panel: #fffdf7;
  --ink: #17231f;
  --muted: #647067;
  --line: #ded8cb;
  --accent: #244c40;
  --accent-2: #b13d31;
  --gold: #d8a631;
  --shadow: 0 18px 45px rgba(42, 36, 26, 0.12);
  --reader-size: 1.08rem;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  background: radial-gradient(circle at top left, rgba(216, 166, 49, 0.16), transparent 34rem), var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
  transition: transform 80ms ease, background-color 120ms ease, border-color 120ms ease;
}

button:active:not(:disabled) {
  transform: scale(0.96);
}

.sidebar,
.reader-toolbar,
.reader-pager,
.hymn-item,
.icon-button,
.filter,
.brand,
.library-meta,
.search label,
.rights-note {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(20rem, 25rem) minmax(0, 1fr);
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.install-tip {
  position: fixed;
  inset: auto 1rem max(1rem, env(safe-area-inset-bottom)) 1rem;
  z-index: 10;
  display: none;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.75rem;
  max-width: 32rem;
  margin: 0 auto;
  padding: 0.85rem;
  background: var(--accent);
  color: #fff9e8;
  border: 1px solid rgba(255, 249, 232, 0.28);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.install-tip.is-visible {
  display: grid;
}

.update-tip {
  inset: max(0.75rem, env(safe-area-inset-top)) 1rem auto 1rem;
}

.install-tip p {
  margin-top: 0.18rem;
  color: rgba(255, 249, 232, 0.82);
  font-size: 0.9rem;
}

.install-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.install-action {
  min-height: 2.45rem;
  padding: 0 0.85rem;
  border: 1px solid rgba(255, 249, 232, 0.36);
  border-radius: 8px;
  background: #fff9e8;
  color: var(--accent);
  font-weight: 800;
}

.install-tip .icon-button {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 249, 232, 0.24);
  color: #fff;
  font-size: 1.35rem;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 0;
  height: 100vh;
  height: 100dvh;
  padding: max(1.25rem, env(safe-area-inset-top)) 1rem 1rem;
  background: rgba(255, 253, 247, 0.94);
  border-right: 1px solid var(--line);
  overflow: hidden;
}

.brand {
  display: grid;
  gap: 0.55rem;
  align-items: start;
}

.brand-logo {
  display: block;
  width: min(100%, 18rem);
  height: auto;
  padding: 0.35rem 0.45rem;
  background: var(--accent);
  border-radius: 8px;
}

.brand-copy {
  padding-inline: 0.1rem;
}

h1,
h2,
p {
  margin: 0;
}

.brand h1 {
  font-size: 1.3rem;
  line-height: 1.1;
}

.brand p,
.library-meta,
.search label {
  color: var(--muted);
  font-size: 0.86rem;
}

.search {
  display: grid;
  gap: 0.45rem;
}

.search-field {
  display: grid;
  grid-template-columns: 1.6rem 1fr auto;
  align-items: center;
  gap: 0.35rem;
  min-height: 2.85rem;
  padding: 0 0.8rem;
  background: #f2eee4;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.search-field input {
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.search-field input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
}

.search-clear {
  display: grid;
  place-items: center;
  width: 1.65rem;
  height: 1.65rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1;
}

.search-clear:hover,
.search-clear:focus-visible {
  background: rgba(23, 35, 31, 0.08);
  color: var(--ink);
}

.search-clear[hidden] {
  display: none;
}

.filters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.filter,
.icon-button {
  border: 1px solid var(--line);
  background: #fffbf2;
  color: var(--ink);
  border-radius: 8px;
}

.filter {
  min-height: 2.45rem;
}

.filter.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.library-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.hymn-list {
  flex: 1 1 0;
  display: grid;
  align-content: start;
  gap: 0.45rem;
  min-height: 0;
  overflow: auto;
  padding-right: 0.2rem;
  overscroll-behavior: contain;
}

.rights-note {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.sidebar-install {
  width: 100%;
  min-height: 2.45rem;
  margin-bottom: 0.85rem;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #fff9e8;
  font-weight: 800;
}

.sidebar-install:hover {
  background: #193a30;
}

.sidebar-install[hidden] {
  display: none;
}

.rights-note strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--accent);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.app-credit {
  margin-top: 0.55rem;
  color: var(--accent-2);
  font-weight: 700;
}

.credit-link {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.credit-link:hover,
.credit-link:focus-visible {
  text-decoration-thickness: 2px;
}

.hymn-item {
  display: grid;
  grid-template-columns: minmax(4.5rem, max-content) minmax(0, 1fr) auto;
  align-items: start;
  gap: 0.75rem;
  width: 100%;
  min-height: 3.25rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  text-align: left;
}

.hymn-item:hover,
.hymn-item.is-selected {
  background: #f3eddf;
  border-color: var(--line);
}

.hymn-number {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  max-width: 8rem;
  overflow: hidden;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.25;
  word-break: break-word;
}

.hymn-preview {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.favorite-mark {
  color: var(--accent-2);
  font-size: 1.15rem;
}

.reader {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 0;
  min-width: 0;
  overflow: auto;
  overscroll-behavior: contain;
  outline: 0;
}

.reader-toolbar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: max(1rem, env(safe-area-inset-top)) 1.4rem 1rem;
  background: rgba(247, 244, 237, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

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

.book-title {
  margin: 0;
  overflow: hidden;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.01em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reader-actions {
  display: flex;
  gap: 0.5rem;
}

.icon-button {
  display: grid;
  place-items: center;
  min-width: 2.55rem;
  height: 2.55rem;
  padding: 0 0.65rem;
  font-weight: 800;
}

.hymn-reader {
  width: min(100%, 52rem);
  margin: 0 auto;
  padding: clamp(1.25rem, 4vw, 3.5rem);
}

.hymn-page-header {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.hymn-page-number {
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--accent);
  text-transform: uppercase;
}

.hymn-page-title {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
}

.hymn-page-title[hidden] {
  display: none;
}

.reader-pager {
  position: sticky;
  bottom: 0;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  padding: 0.7rem 1.4rem max(0.85rem, env(safe-area-inset-bottom)) 1.4rem;
  background: rgba(247, 244, 237, 0.92);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.reader-pager-button {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.85rem;
  padding: 0.5rem 0.85rem;
  background: #fffbf2;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  text-align: left;
}

.reader-pager-next {
  grid-template-columns: 1fr auto;
  text-align: right;
}

.reader-pager-arrow {
  color: var(--accent);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1;
}

.reader-pager-label {
  overflow: hidden;
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reader-pager-button:hover:not(:disabled),
.reader-pager-button:focus-visible:not(:disabled) {
  background: #f3eddf;
  border-color: var(--accent);
}

.reader-pager-button:disabled {
  cursor: default;
  opacity: 0.4;
}

.hymn-body {
  font-family: Georgia, "Times New Roman", serif;
  font-size: var(--reader-size);
  line-height: 1.75;
}

.hymn-body > * {
  animation: hymn-fade 240ms ease-out both;
}

@keyframes hymn-fade {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hymn-body > * {
    animation: none;
  }
  button {
    transition: none;
  }
  button:active:not(:disabled) {
    transform: none;
  }
}

.hymn-body .meter {
  margin-bottom: 1.3rem;
  color: var(--accent);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 800;
}

.stanza {
  position: relative;
  margin: 0 0 1.7rem;
  padding-left: 2.25rem;
  white-space: pre-line;
}

.stanza-number {
  position: absolute;
  left: 0;
  top: 0;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.85em;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.75;
  padding-top: 2px;
}

.stanza.chorus {
  padding-left: 2.25rem;
  border-left: 2px solid var(--accent);
  font-style: italic;
}

.empty-state,
.status-state {
  display: grid;
  place-items: center;
  min-height: 45vh;
  color: var(--muted);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  text-align: center;
}

.mobile-only {
  display: none;
}

body.sidebar-open .sidebar {
  transform: translateX(0);
}

.sidebar-backdrop {
  display: none;
}

@media (max-width: 780px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 5;
    width: min(88vw, 24rem);
    transform: translateX(-104%);
    box-shadow: var(--shadow);
    transition: transform 180ms ease;
  }

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: 4;
    display: block;
    background: rgba(23, 35, 31, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
  }

  body.sidebar-open .sidebar-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-only {
    display: grid;
  }

  .reader-toolbar {
    gap: 0.65rem;
    padding-inline: 0.8rem;
  }

  .reader-actions {
    gap: 0.35rem;
  }

  .icon-button {
    min-width: 2.35rem;
    height: 2.35rem;
    padding: 0 0.5rem;
  }
}