/* ============================================================
   CifrasApp — Hoja de estilos principal v3
   ============================================================ */

:root {
  --bg:          #0f0f1a;
  --bg2:         #1a1a2e;
  --bg3:         #252540;
  --surface:     #1e1e35;
  --border:      #2e2e50;
  --accent:      #f59e0b;
  --accent2:     #fbbf24;
  --text:        #e8e8f0;
  --text2:       #9090b0;
  --text3:       #5a5a80;
  --chord-color: #f59e0b;
  --comment-color: #22c55e;
  --danger:      #ef4444;
  --success:     #22c55e;
  --radius:      8px;
  --shadow:      0 4px 24px rgba(0,0,0,0.4);
  --font-ui:     'Inter', system-ui, sans-serif;
  --font-song:   'Courier New', Courier, monospace;
  --song-size:   14px;
}
[data-theme="light"] {
  --bg:          #f5f5f0;
  --bg2:         #eaeae4;
  --bg3:         #dededa;
  --surface:     #ffffff;
  --border:      #d0d0c8;
  --accent:      #d97706;
  --accent2:     #b45309;
  --text:        #1a1a2e;
  --text2:       #555570;
  --text3:       #888890;
  --chord-color: #d97706;
  --comment-color: #16a34a;
  --shadow:      0 4px 24px rgba(0,0,0,0.12);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  transition: background .3s, color .3s;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea {
  font-family: inherit;
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
  width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 320px; font-family: 'Courier New', Courier, monospace;}

/* --- Header --- */
.header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  padding: 0 20px;
}
.header-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; gap: 16px; height: 58px;
}
.logo { font-size: 20px; font-weight: 800; color: var(--text); letter-spacing: -.5px; white-space: nowrap; flex-shrink: 0; }
.logo span { color: var(--accent); }
.search-wrap { flex: 1; max-width: 480px; position: relative; }
.search-wrap input { padding-left: 38px; }
.search-icon { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--text2); pointer-events: none; }
.header-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.btn-icon { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 50%; color: var(--text2); font-size: 16px; transition: background .2s, color .2s; }
.btn-icon:hover { background: var(--bg3); color: var(--text); }
.btn-admin { background: var(--accent); color: #000; font-weight: 700; font-size: 12px; padding: 6px 14px; border-radius: var(--radius); transition: background .2s; white-space: nowrap; }
.btn-admin:hover { background: var(--accent2); }

/* --- Nav pills --- */
.nav-pills { background: var(--bg2); border-bottom: 1px solid var(--border); padding: 0 20px; overflow-x: auto; scrollbar-width: none; }
.nav-pills::-webkit-scrollbar { display: none; }
.nav-pills-inner { max-width: 1200px; margin: 0 auto; display: flex; gap: 4px; padding: 8px 0; }
.pill { padding: 5px 14px; border-radius: 20px; font-size: 13px; color: var(--text2); white-space: nowrap; transition: background .2s, color .2s; }
.pill:hover, .pill.active { background: var(--accent); color: #000; font-weight: 600; }

/* --- Layout --- */
.app { display: flex; min-height: calc(100vh - 102px); }
.sidebar { width: 260px; flex-shrink: 0; background: var(--bg2); border-right: 1px solid var(--border); padding: 20px 16px; display: flex; flex-direction: column; gap: 20px; overflow-y: auto; }
.main { flex: 1; min-width: 0; }
.sidebar-section h3 { font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--text3); margin-bottom: 10px; }
.sidebar-link { display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: var(--radius); color: var(--text2); font-size: 14px; cursor: pointer; transition: background .15s, color .15s; }
.sidebar-link:hover, .sidebar-link.active { background: var(--bg3); color: var(--text); }
.sidebar-link .icon { width: 18px; text-align: center; }

/* --- Páginas --- */
.page { display: none; }
.page.active { display: block; }

/* --- Home --- */
.page-home { padding: 28px; }
.section-heading {
  font-size: 18px; font-weight: 700; margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.section-heading span.count { color: var(--text2); font-size: 14px; font-weight: 400; }

/* --- Botones vista lista/grilla --- */
.view-toggle {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.btn-view {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border-radius: var(--radius);
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  font-size: 15px;
  transition: background .2s, color .2s, border-color .2s;
}
.btn-view:hover { background: var(--bg2); color: var(--text); }
.btn-view.active { background: var(--accent); border-color: var(--accent); color: #000; }

/* ============================================================
   VISTA GRILLA (cards)
   ============================================================ */
.songs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.song-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; cursor: pointer; transition: border-color .2s, transform .15s, box-shadow .2s; }
.song-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.song-card .song-title { font-weight: 700; font-size: 15px; margin-bottom: 4px; }
.song-card .song-artist { font-size: 13px; color: var(--accent); margin-bottom: 8px; }
.song-card .song-meta { display: flex; gap: 6px; flex-wrap: wrap; }

/* ============================================================
   VISTA LISTA (tabla)
   ============================================================ */
.songs-list { width: 100%; overflow-x: auto; }

.songs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.songs-table thead tr {
  background: var(--bg3);
  border-bottom: 2px solid var(--accent);
}
.songs-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text3);
  white-space: nowrap;
}
.songs-table th:first-child { border-radius: var(--radius) 0 0 0; }
.songs-table th:last-child  { border-radius: 0 var(--radius) 0 0; }

.song-row {
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background .15s;
}
.song-row:hover { background: var(--bg3); }
.song-row:hover .song-row-title { color: var(--accent); }
.song-row:last-child { border-bottom: none; }

.song-row td { padding: 13px 16px; vertical-align: middle; }

.song-row-title {
  font-weight: 700;
  font-size: 14px;
  color: var(--text);
  transition: color .15s;
}
.song-row-artist {
  color: var(--accent);
  font-size: 13px;
}
.tone-tag {
  background: rgba(245,158,11,0.12) !important;
  border-color: rgba(245,158,11,0.3) !important;
  color: var(--accent) !important;
  font-weight: 700;
}

/* --- Sección recientes --- */
.recent-heading {
  font-size: 14px;
  font-weight: 700;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.recent-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 28px 0;
}

/* --- Tags --- */
.tag { font-size: 11px; padding: 2px 8px; border-radius: 12px; background: var(--bg3); color: var(--text2); border: 1px solid var(--border); white-space: nowrap; }
.tag.genre { background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.3); color: var(--accent); }

/* --- Paginación --- */
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; padding: 28px; flex-wrap: wrap; }
.page-btn { padding: 7px 14px; border-radius: var(--radius); background: var(--bg3); border: 1px solid var(--border); color: var(--text2); font-size: 14px; transition: background .2s; }
.page-btn:hover { background: var(--accent); color: #000; border-color: var(--accent); }
.page-btn.active { background: var(--accent); color: #000; border-color: var(--accent); font-weight: 700; }
.page-btn:disabled { opacity: .4; pointer-events: none; }

/* --- Vista canción --- */
.song-header { background: var(--bg2); border-bottom: 1px solid var(--border); padding: 20px 28px; }
.back-btn { display: inline-flex; align-items: center; gap: 6px; color: var(--text2); font-size: 13px; margin-bottom: 12px; cursor: pointer; transition: color .2s; background: none; border: none; }
.back-btn:hover { color: var(--accent); }
.song-header h1 { font-size: 26px; font-weight: 800; margin-bottom: 4px; }
.song-header .artist-name { color: var(--accent); font-size: 15px; font-weight: 600; }
.song-toolbar { background: var(--bg2); border-bottom: 1px solid var(--border); padding: 10px 28px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.toolbar-group { display: flex; align-items: center; gap: 6px; padding-right: 12px; border-right: 1px solid var(--border); }
.toolbar-group:last-child { border-right: none; padding-right: 0; }
.toolbar-label { font-size: 11px; text-transform: uppercase; letter-spacing: .8px; color: var(--text3); font-weight: 700; }
.btn-sm { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: var(--radius); background: var(--bg3); border: 1px solid var(--border); color: var(--text2); font-size: 13px; transition: background .2s, color .2s; }
.btn-sm:hover { background: var(--accent); border-color: var(--accent); color: #000; }
.btn-sm.wide { width: auto; padding: 0 10px; font-size: 11px; }
.tone-display { min-width: 42px; text-align: center; font-weight: 800; font-size: 16px; color: var(--accent); background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius); padding: 4px 8px; }
.font-size-display { font-size: 12px; color: var(--text2); min-width: 36px; text-align: center; }
.btn-print { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: var(--radius); background: var(--bg3); border: 1px solid var(--border); color: var(--text2); font-size: 13px; transition: background .2s; }
.btn-print:hover { background: var(--accent); border-color: var(--accent); color: #000; }

/* --- Contenido canción --- */
.song-content { padding: 28px; max-width: 860px; }
.song-section-label { font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--text3); margin: 24px 0 10px; }
.song-section-label:first-child { margin-top: 0; }
.chord-line { display: block; font-family: var(--font-song); font-size: var(--song-size); color: var(--chord-color); font-weight: 700; line-height: 1.4; white-space: pre; }
.lyric-line { display: block; font-family: var(--font-song); font-size: var(--song-size); color: var(--text); line-height: 1.7; white-space: pre; }
.stanza { margin-bottom: 20px; }


/* Comentarios en paréntesis — verde cursiva */
.song-comment { color: var(--comment-color); font-style: italic; font-weight: 400; }

/* --- Admin --- */
.page-admin { padding: 28px; }
.admin-tabs { display: flex; gap: 4px; margin-bottom: 24px; border-bottom: 1px solid var(--border); overflow-x: auto; scrollbar-width: none; }
.admin-tabs::-webkit-scrollbar { display: none; }
.admin-tab { padding: 10px 18px; font-size: 14px; color: var(--text2); border-bottom: 2px solid transparent; margin-bottom: -1px; cursor: pointer; transition: color .2s, border-color .2s; white-space: nowrap; }
.admin-tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.admin-panel { display: none; }
.admin-panel.active { display: block; }
.admin-form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; max-width: 820px; margin-bottom: 24px; }
.form-row { display: grid; gap: 16px; margin-bottom: 16px; }
.form-row.cols2 { grid-template-columns: 1fr 1fr; }
.form-row.cols3 { grid-template-columns: 1fr 1fr 1fr; }
.form-group label { display: block; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .8px; color: var(--text2); margin-bottom: 6px; }
.form-actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.format-guide { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; font-size: 13px; line-height: 1.7; margin-bottom: 14px; color: var(--text2); }
.format-guide code { font-family: var(--font-song); background: var(--bg2); padding: 1px 5px; border-radius: 4px; color: var(--accent); }

/* --- Botones --- */
.btn-primary { background: var(--accent); color: #000; font-weight: 700; font-size: 14px; padding: 9px 22px; border-radius: var(--radius); transition: background .2s; }
.btn-primary:hover { background: var(--accent2); }
.btn-secondary { background: var(--bg3); color: var(--text); font-weight: 600; font-size: 14px; padding: 9px 22px; border-radius: var(--radius); border: 1px solid var(--border); transition: background .2s; }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: rgba(239,68,68,.12); color: var(--danger); font-weight: 600; font-size: 13px; padding: 5px 12px; border-radius: var(--radius); border: 1px solid rgba(239,68,68,.3); transition: background .2s; }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-edit { background: rgba(245,158,11,.12); color: var(--accent); font-weight: 600; font-size: 13px; padding: 5px 12px; border-radius: var(--radius); border: 1px solid rgba(245,158,11,.3); transition: background .2s; }
.btn-edit:hover { background: var(--accent); color: #000; }

/* --- Tabla admin --- */
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th { text-align: left; padding: 10px 14px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .8px; color: var(--text3); border-bottom: 1px solid var(--border); }
.data-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg3); }
.td-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* --- Toast --- */
.toast { position: fixed; bottom: 24px; right: 24px; background: var(--success); color: #fff; font-weight: 700; font-size: 14px; padding: 12px 20px; border-radius: var(--radius); box-shadow: var(--shadow); z-index: 500; transform: translateY(80px); opacity: 0; transition: transform .3s, opacity .3s; pointer-events: none; }
.toast.show { transform: translateY(0); opacity: 1; }
.toast.error { background: var(--danger); }

/* --- Loader --- */
.loader { display: flex; justify-content: center; padding: 48px; }
.spinner { width: 32px; height: 32px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Modal login --- */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.7); z-index: 200; align-items: center; justify-content: center; padding: 20px; }
.modal-overlay.open { display: flex; }
.modal { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 32px; width: 100%; max-width: 360px; box-shadow: var(--shadow); }
.modal h2 { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.modal p.sub { color: var(--text2); font-size: 13px; margin-bottom: 24px; }
.modal .form-group { margin-bottom: 14px; }
.error-msg { color: var(--danger); font-size: 13px; margin-top: 8px; display: none; }



/* --- Impresión --- */
@media print {
  .header, .nav-pills, .sidebar, .song-toolbar, .back-btn, .pagination, .modal-overlay, .toast, .view-toggle { display: none !important; }
  body { background: #fff; color: #000; }
  .page { display: none !important; }
  #page-song { display: block !important; }
  .app { display: block; }
  .main { width: 100%; }
  .song-header { background: #fff; border: none; padding: 0 0 16px; }
  .song-header h1 { color: #000; font-size: 22px; }
  .artist-name { color: #666; }
  .chord-line { color: #b45309; }
  .lyric-line { color: #000; }
  .song-comment { color: #16a34a; }
  .song-content { padding: 0; }
  .stanza { page-break-inside: avoid; }
}

/* --- Responsive --- */
@media (max-width: 900px) { .sidebar { display: none; } }
@media (max-width: 768px) {
  .page-home { padding: 16px; }
  .songs-grid { grid-template-columns: 1fr 1fr; }
  .song-header { padding: 16px; }
  .song-toolbar { padding: 10px 16px; gap: 8px; }
  .song-content { padding: 16px; }
  .page-admin { padding: 16px; }
  .form-row.cols2, .form-row.cols3 { grid-template-columns: 1fr; }
  .btn-admin span { display: none; }
  .search-wrap { max-width: none; }
  .songs-table th:nth-child(4),
  .songs-table td:nth-child(4) { display: none; }
}
@media (max-width: 480px) {
  .songs-grid { grid-template-columns: 1fr; }
  .song-header h1 { font-size: 20px; }
  .toolbar-group { border-right: none; }
  .songs-table th:nth-child(3),
  .songs-table td:nth-child(3) { display: none; }
}