:root {
  --app-max: 980px;
  --reading-leading: 1.7;
  --reading-width: 68ch;
  --reading-font: var(--font-sans);
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100%;
  margin: 0;
}

button,
audio {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(100%, var(--app-max));
  max-width: 100%;
  margin: 0 auto;
  padding: 20px clamp(16px, 3vw, 32px) 40px;
  overflow-x: hidden;
}

.app-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px 0 22px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.brand-block {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  flex-wrap: wrap;
}

.app-header h1,
.service-meta h2,
.calendar-header h2,
.calendar-nav h3,
.song-title {
  margin: 0;
  color: var(--text);
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: 0;
}

.app-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.35rem);
  line-height: 1.1;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--bronze-dark);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sync-note {
  margin: 0;
  color: var(--text-2);
  font-size: 0.88rem;
  text-align: center;
}

.service-focus {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 18px;
  padding: 28px 0 18px;
}

.service-meta h2 {
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.18;
}

.service-meta p:last-child {
  margin: 8px 0 0;
  color: var(--text-2);
}

.tool-button,
.external-link,
.history-trigger,
.home-trigger,
.calendar-close,
.calendar-nav-button,
.calendar-day {
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-raised);
  color: var(--text);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.tool-button {
  padding: 0 12px;
  font-weight: 600;
}

.tool-button:hover,
.external-link:hover,
.history-trigger:hover,
.home-trigger:hover,
.calendar-close:hover,
.calendar-nav-button:hover,
.calendar-day.has-service:hover {
  border-color: var(--bronze);
  color: var(--bronze-dark);
}

.history-trigger,
.home-trigger {
  padding: 0 14px;
  font-weight: 600;
}

.home-trigger {
  border-color: var(--bronze);
  background: var(--bronze-tint);
  color: var(--bronze-dark);
}

.tool-button.is-active {
  border-color: var(--bronze);
  background: var(--bronze-tint);
  color: var(--bronze-dark);
}

.song-list {
  display: grid;
  gap: 18px;
}

.song-card {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-raised);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.song-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 18px 14px;
  background: var(--grad-card);
  min-width: 0;
}

.song-card.is-expanded .song-header {
  border-bottom: 1px solid var(--border);
}

.song-toggle {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 0 12px;
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  text-align: left;
}

.song-toggle:hover .song-title {
  color: var(--bronze-dark);
}

.song-order {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
  background: var(--bronze);
  color: #fffaf3;
  font-size: 0.84rem;
  font-weight: 600;
}

.song-title {
  display: block;
  font-size: clamp(1.28rem, 2.5vw, 1.65rem);
  line-height: 1.18;
  overflow-wrap: anywhere;
}

.song-key {
  flex: 0 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 6px 9px;
  background: var(--bg-raised);
  color: var(--text-2);
  font-size: 0.83rem;
  font-weight: 600;
}

.song-actions {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.song-font-tools {
  display: inline-flex;
  gap: 6px;
}

.song-card:not(.is-expanded) .song-font-tools {
  display: none;
}

.song-font-tools .tool-button {
  min-width: 42px;
  min-height: 34px;
  padding: 0 8px;
}

.song-audio {
  padding: 14px 18px 0;
}

.song-audio audio {
  width: 100%;
  max-width: 520px;
  height: 38px;
}

.song-audio p {
  margin: 0;
  color: var(--text-3);
  font-size: 0.9rem;
}

.song-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 18px 0;
}

.external-link {
  display: inline-flex;
  align-items: center;
  padding: 0 11px;
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 500;
}

.song-lyrics {
  width: min(100%, var(--reading-width));
  max-width: 100%;
  min-width: 0;
  margin: 0;
  padding: 18px;
  color: var(--text);
  font-family: var(--reading-font);
  font-size: 1.1rem;
  line-height: var(--reading-leading);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
  background: transparent;
}

.empty-state {
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-md);
  padding: 24px;
  background: var(--bg-surface);
  color: var(--text-2);
}

.app-footer {
  display: flex;
  justify-content: center;
  margin-top: 28px;
  padding: 22px 0 4px;
  border-top: 1px solid var(--border);
}

.history-overlay[hidden] {
  display: none;
}

.history-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 18px;
}

.history-backdrop {
  position: absolute;
  inset: 0;
  min-height: 0;
  border: 0;
  border-radius: 0;
  background: rgba(23, 19, 15, 0.38);
  box-shadow: none;
}

.calendar-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 560px);
  max-height: min(760px, calc(100vh - 36px));
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-raised);
  box-shadow: var(--shadow-lg);
  padding: 18px;
}

.calendar-header,
.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.calendar-header {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.calendar-header h2 {
  font-size: 1.35rem;
  line-height: 1.2;
}

.calendar-close,
.calendar-nav-button {
  width: 40px;
  padding: 0;
  font-weight: 700;
}

.calendar-nav {
  padding: 16px 0 12px;
}

.calendar-nav h3 {
  font-size: 1.12rem;
  line-height: 1.2;
  text-align: center;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.calendar-weekdays {
  margin-bottom: 6px;
  color: var(--text-3);
  font-size: 0.76rem;
  font-weight: 600;
  text-align: center;
}

.calendar-day,
.calendar-blank {
  aspect-ratio: 1;
}

.calendar-day {
  min-height: 0;
  padding: 0;
  background: var(--bg-surface);
  color: var(--text-3);
  box-shadow: none;
  font-size: 0.95rem;
  font-weight: 600;
}

.calendar-day:disabled {
  cursor: default;
  opacity: 0.48;
}

.calendar-day.has-service {
  background: var(--bronze-tint);
  color: var(--bronze-dark);
  border-color: var(--bronze-light);
  box-shadow: var(--shadow-sm);
}

.calendar-day.is-selected {
  background: var(--bronze);
  border-color: var(--bronze);
  color: #fffaf3;
}

.install-button {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 15;
  min-height: 44px;
  border: 1px solid var(--bronze);
  border-radius: var(--r-pill);
  padding: 0 18px;
  background: var(--bronze);
  color: #fffaf3;
  box-shadow: var(--shadow-lg);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

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

@media (max-width: 720px) {
  .service-focus {
    display: block;
  }

  .brand-block {
    align-items: center;
    gap: 10px;
  }

  .home-trigger {
    flex-basis: 100%;
    width: max-content;
    margin-inline: auto;
  }

  .song-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: flex-start;
  }

  .song-toggle {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .song-actions {
    max-width: none;
    justify-content: flex-start;
  }

  .song-key {
    text-align: center;
  }

  .song-font-tools .tool-button {
    width: 44px;
    min-width: 44px;
    min-height: 40px;
    padding: 0;
  }

}

@media (max-width: 460px) {
  .app-shell {
    padding-inline: 12px;
  }

  .song-header {
    padding-inline: 14px;
  }

  .song-audio,
  .song-links,
  .song-lyrics {
    padding-inline: 14px;
  }

  .history-overlay {
    align-items: end;
    padding: 10px;
  }

  .calendar-panel {
    width: 100%;
    border-radius: var(--r-md);
    padding: 14px;
  }

  .calendar-weekdays,
  .calendar-grid {
    gap: 4px;
  }

  .calendar-day {
    font-size: 0.85rem;
  }
}