/* ============================================================
   Cantai ao Senhor — Stylesheet
   ============================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Temas (variáveis CSS) ─────────────────────────────────── */
:root,
[data-theme='dark'] {
  --bg: #0f0f14;
  --surface: #1a1a24;
  --surface2: #22222e;
  --border: #2e2e3e;
  --accent: #c9a227;
  --accent-fg: #000;     /* texto sobre fundo accent (dourado claro → preto) */
  --accent2: #e05c5c;
  --text: #e8e8f0;
  --text-dim: #8888a0;
  --text-muted: #55556a;
  --psalm-bg: #3a2a0a;
  --psalm-fg: #e0b030;
  --psalm-border: #5a4010;
  --sidebar-w: 340px;
}

[data-theme='light'] {
  --bg: #f6f3ea;
  --surface: #ffffff;
  --surface2: #ece8d8;
  --border: #d0cab5;
  --accent: #3882db;
  --accent-fg: #fff;     /* texto sobre fundo accent (azul → branco) */
  --accent2: #a23838;
  --text: #1f1f26;
  --text-dim: #5e5e6a;
  --text-muted: #9a9a90;
  --psalm-bg: #e9eef5;
  --psalm-fg: #3882db;
  --psalm-border: #b8c4d6;
}

/* ── Layout base ───────────────────────────────────────────── */
html,
body {
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  display: flex;
  overflow: hidden;
}

/* ── Sidebar ───────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 10;
}

#sidebar-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#sidebar-header h1 {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1.3;
}

#sidebar-header .meta {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}

#sidebar-header .actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
  align-items: center;
}

/* ── Botões de ação no header ──────────────────────────────── */
#install-btn {
  display: none;
  background: var(--accent);
  color: var(--accent-fg);
  border: none;
  border-radius: 5px;
  padding: 6px 11px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

#install-btn:hover {
  filter: brightness(1.1);
}

#about-btn,
#contact-btn,
#theme-btn {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 6px 11px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

#about-btn:hover,
#contact-btn:hover,
#theme-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}

#theme-btn {
  padding: 6px 10px;
  font-size: 14px;
  line-height: 1;
}

#offline-badge {
  display: none;
  background: rgba(224, 92, 92, 0.15);
  color: var(--accent2);
  border: 1px solid var(--accent2);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── Toast de atualização ──────────────────────────────────── */
#update-toast {
  display: none;
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 30;
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 12px 16px;
  gap: 12px;
  align-items: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  font-size: 13px;
  max-width: 90vw;
}

#update-toast button {
  background: var(--accent);
  color: var(--accent-fg);
  border: none;
  border-radius: 4px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

#update-toast #update-dismiss {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}

/* ── Modais (Sobre / Contato) ──────────────────────────────── */
.app-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(0, 0, 0, 0.7);
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.app-modal.open {
  display: flex;
}

.app-modal .panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  max-width: 560px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 24px 26px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
  position: relative;
}

.app-modal h2 {
  font-size: 18px;
  color: var(--accent);
  margin-bottom: 4px;
  letter-spacing: 0.03em;
}

.app-modal .edition {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 18px;
}

.app-modal p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 14px;
}

.app-modal .label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-top: 18px;
  margin-bottom: 6px;
}

.app-modal .official-link {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-fg);
  padding: 9px 14px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
  margin-top: 4px;
}

.app-modal .official-link:hover {
  filter: brightness(1.1);
}

.app-modal .contact-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}

.app-modal .contact-links a {
  display: inline-block;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.15s;
}

.app-modal .contact-links a:hover {
  border-color: var(--accent);
  background: var(--bg);
}

.app-modal .small {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.app-modal .close-btn {
  position: absolute;
  top: 12px;
  right: 14px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
}

.app-modal .close-btn:hover {
  color: var(--text);
}

/* ── Busca ─────────────────────────────────────────────────── */
#search-box {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#search-box input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 15px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.2s;
}

#search-box input:focus {
  border-color: var(--accent);
}

#search-box input::placeholder {
  color: var(--text-muted);
}

#search-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 5px;
  padding: 0 2px;
}

/* ── Lista de números ──────────────────────────────────────── */
#num-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
}

#num-list::-webkit-scrollbar {
  width: 4px;
}

#num-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.season-header {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 12px 16px 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  -webkit-user-select: none;
  user-select: none;
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 1;
}

.season-header:hover {
  color: var(--text);
}

.season-header .arrow {
  transition: transform 0.15s;
  font-size: 10px;
}

.season-header.open .arrow {
  transform: rotate(0deg);
}

.season-header.closed .arrow {
  transform: rotate(-90deg);
}

.season-header.closed + .season-nums {
  display: none;
}

.season-nums {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 6px;
  padding: 4px 14px 10px;
}

.num-btn {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 5px;
  padding: 5px 9px;
  min-width: 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.1s;
  line-height: 1.3;
}

.num-btn:hover {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--border);
}

.num-btn.active {
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 800;
  border-color: var(--accent);
}

/* ── Resultados de busca ───────────────────────────────────── */
#search-results {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
}

#search-results.open {
  display: block;
}

.result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 16px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.1s;
}

.result-item:hover {
  background: var(--surface2);
}

.result-item .num {
  font-weight: 800;
  color: var(--accent);
  min-width: 40px;
  font-size: 15px;
}

.result-item .match {
  color: var(--text-dim);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-item .match em {
  color: var(--accent2);
  font-style: normal;
  font-weight: 700;
}

#no-results {
  padding: 20px 16px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

/* ── Conteúdo principal ────────────────────────────────────── */
#main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

#song-view {
  flex: 1;
  overflow-y: auto;
  padding: 36px 48px 80px;
}

#song-view::-webkit-scrollbar {
  width: 6px;
}

#song-view::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

/* ── Navegação inferior ────────────────────────────────────── */
#song-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 48px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 5;
}

#song-nav button {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 14px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 12px;
  transition: background 0.15s;
}

#song-nav button:hover:not(:disabled) {
  background: var(--border);
}

#song-nav button:disabled {
  opacity: 0.3;
  cursor: default;
}

.nav-center {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 600;
}

/* ── Canto ─────────────────────────────────────────────────── */
#song-season {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

#song-subsection {
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 18px;
  font-weight: 600;
}

#song-title {
  font-size: 40px;
  font-weight: 900;
  color: var(--text);
  line-height: 1;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 0;
}

#song-title .song-num {
  color: var(--accent);
  margin-right: 12px;
}

#song-title .song-key-badge {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 10px;
  margin-left: 14px;
  vertical-align: middle;
}

#song-title .song-year-badge {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent2);
  background: rgba(224, 92, 92, 0.08);
  border: 1px solid var(--accent2);
  border-radius: 4px;
  padding: 3px 9px;
  margin-left: 8px;
  vertical-align: middle;
}

#song-authors {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 5px;
}

#song-publication {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 20px;
}

.badges {
  display: flex;
  gap: 6px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
}

.badge-psalm {
  background: var(--psalm-bg);
  color: var(--psalm-fg);
  border: 1px solid var(--psalm-border);
}

.badge-tag {
  background: var(--surface2);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

#song-refrain-block {
  background: var(--surface);
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
  padding: 12px 16px;
  margin-bottom: 18px;
}

#song-refrain-block .label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 5px;
}

#song-refrain {
  font-size: 15px;
  line-height: 1.7;
  white-space: pre-line;
}

.verse {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.7;
}

.verse-num {
  font-weight: 800;
  color: var(--accent);
  min-width: 26px;
  flex-shrink: 0;
  text-align: right;
}

.verse-text {
  white-space: pre-line;
}

#song-crossrefs {
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-dim);
}

#song-crossrefs a {
  color: var(--accent);
  cursor: pointer;
  text-decoration: none;
}

#song-crossrefs a:hover {
  text-decoration: underline;
}

#empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  font-size: 14px;
  gap: 10px;
}

#empty-state .big {
  font-size: 60px;
  opacity: 0.15;
}

/* ── Mobile ────────────────────────────────────────────────── */
#mobile-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 14px;
}

#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9;
}

@media (max-width: 700px) {
  :root {
    --sidebar-w: min(85vw, 360px);
  }

  #mobile-toggle {
    display: block;
  }

  #sidebar.open ~ #mobile-toggle,
  body.sidebar-open #mobile-toggle {
    display: none;
  }

  body.sidebar-open #sidebar-overlay {
    display: block;
  }

  #sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s;
    box-shadow: 4px 0 16px rgba(0, 0, 0, 0.4);
  }

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

  #main {
    margin-left: 0;
  }

  #song-view {
    padding: 50px 18px 80px;
  }

  #song-nav {
    padding: 10px 18px;
  }

  .num-btn {
    font-size: 15px;
    padding: 7px 11px;
    min-width: 46px;
  }

  .result-item {
    padding: 11px 16px;
    font-size: 15px;
  }
}