/* Песни – Молодёжный сборник
 * Theme-switchable list + song viewer for projector display
 */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;700;800&family=Lora:ital,wght@0,400;1,400&family=Inter:wght@300;400;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

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

/* Defaults = Classic Dark preset. Runtime presets/overrides are applied via
   document.documentElement.style in app.js (applyStyle). */
:root {
  --font-body: "Montserrat", Helvetica, sans-serif;
  --font-mono: "Menlo", "Consolas", monospace;
  --transition: 0.2s ease;

  --bg: #0F1B2D;
  --bg-elevated: rgba(255, 255, 255, 0.04);
  --bg-input: rgba(255, 255, 255, 0.06);
  --text: #F0EBE0;
  --text-muted: rgba(240, 235, 224, 0.55);
  --accent: #D4A843;
  --chord: #5B8CA8;
  --line: rgba(255, 255, 255, 0.10);
  --shadow: rgba(0, 0, 0, 0.3);
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  transition: background var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
}

.view {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.hidden { display: none !important; }

/* ============ LIST VIEW ============ */

.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 30px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.list-header h1 {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.back-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color var(--transition);
}

.back-link:hover { color: var(--accent); }

.search-bar {
  position: sticky;
  top: 73px;
  background: var(--bg);
  padding: 16px 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  z-index: 9;
}

.search-icon { color: var(--text-muted); font-size: 16px; }

#search {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 16px;
  color: var(--text);
  font-family: var(--font-body);
  outline: none;
  transition: border-color var(--transition);
}

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

.search-count {
  font-size: 13px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.songs-list {
  list-style: none;
  padding: 0 30px 40px;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.song-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background var(--transition);
  text-decoration: none;
  color: inherit;
}

.song-row:hover {
  background: var(--bg-elevated);
}

.song-row .num {
  color: var(--accent);
  font-weight: 700;
  font-size: 16px;
  min-width: 50px;
  text-align: right;
}

.song-row .title {
  flex: 1;
  font-size: 16px;
}

.song-row .key {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--chord);
  background: var(--bg-elevated);
  padding: 3px 9px;
  border-radius: 6px;
  min-width: 36px;
  text-align: center;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 15px;
}

/* ============ SONG VIEW ============ */

.song-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}

.song-meta {
  flex: 1;
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.song-number {
  color: var(--accent);
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.song-meta h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.song-key {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--chord);
  background: var(--bg-elevated);
  padding: 3px 10px;
  border-radius: 6px;
  flex-shrink: 0;
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text-muted);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}

.icon-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.icon-btn.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.song-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 40px 30px;
  text-align: center;
  overflow: auto;
}

.block-label {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 30px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.block-content {
  font-family: var(--font-body);
  font-size: clamp(28px, 5vw, 56px);
  line-height: 1.6;
  color: var(--text);
  max-width: 100%;
  white-space: pre;
  text-align: center;
}

.block-content .line {
  display: block;
  margin-bottom: 6px;
}

.block-content .chord-line {
  font-family: var(--font-mono); /* mono for rough chord alignment независимо от body font */
  color: var(--chord);
  font-weight: 600;
  white-space: pre;
  display: block;
  font-size: 0.7em;
  margin-bottom: -2px;
  margin-top: 8px;
}

.block-content.no-chords .chord-line {
  display: none;
}

.song-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  padding: 0 6px;
}

.icon-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.icon-btn:disabled:hover {
  color: var(--text-muted);
  border-color: var(--line);
}

.block-counter {
  font-size: 14px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-weight: 600;
  min-width: 44px;
  text-align: center;
}

/* ============ MOBILE ============ */

@media (max-width: 600px) {
  .list-header { padding: 16px 18px; }
  .list-header h1 { font-size: 20px; }
  .search-bar { padding: 12px 18px; top: 57px; }
  .songs-list { padding: 0 18px 30px; }
  .song-row { padding: 14px 12px; gap: 12px; }
  .song-row .num { min-width: 40px; font-size: 15px; }
  .song-row .title { font-size: 15px; }
  .song-header { padding: 12px 16px; gap: 8px; }
  .song-meta h2 { font-size: 15px; }
  .song-meta { gap: 8px; }
  .song-number { font-size: 16px; }
  .icon-btn { width: 36px; height: 36px; }
  .song-stage { padding: 24px 16px; }
  .block-label { font-size: 18px; margin-bottom: 20px; }
  .song-nav { gap: 4px; padding: 0 2px; }
  .block-counter { font-size: 13px; min-width: 36px; }
}

/* ============ SETTINGS MODAL ============ */

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.hidden { display: none !important; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(2px);
}

.modal-content {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 20px 60px var(--shadow);
  width: min(480px, 100%);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.modal-section {
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}

.modal-section:last-of-type { border-bottom: none; }

.section-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-weight: 600;
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.preset-card {
  background: var(--bg-elevated);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 10px 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: border-color var(--transition), transform var(--transition);
  color: var(--text);
  font-family: var(--font-body);
}

.preset-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.preset-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent) inset;
}

.preset-swatches {
  display: flex;
  gap: 0;
  border-radius: 6px;
  overflow: hidden;
  width: 100%;
  height: 28px;
}

.preset-swatches > span {
  flex: 1;
  display: block;
}

.preset-name {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  color: var(--text);
  font-size: 14px;
}

.setting-row + .setting-row {
  border-top: 1px solid var(--line);
}

.setting-row > span { font-weight: 500; }

.setting-row select {
  background: var(--bg-input);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  cursor: pointer;
  outline: none;
  min-width: 180px;
}

.setting-row select:focus { border-color: var(--accent); }

.setting-row input[type="color"] {
  width: 44px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  padding: 2px;
}

.setting-row input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.setting-row input[type="color"]::-webkit-color-swatch { border: none; border-radius: 4px; }

.modal-footer {
  padding: 14px 22px 18px;
  display: flex;
  justify-content: flex-end;
}

.text-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
}

.text-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

@media (max-width: 600px) {
  .preset-grid { grid-template-columns: repeat(2, 1fr); }
  .modal-header { padding: 14px 16px; }
  .modal-section { padding: 14px 16px; }
  .modal-footer { padding: 12px 16px 16px; }
  .setting-row select { min-width: 140px; }
}

/* ============ PROJECTOR (presenter indicators + popout window) ============ */

.projector-btn.active {
  color: var(--accent) !important;
  border-color: var(--accent) !important;
}

.projector-btn.active:hover {
  background: var(--accent);
  color: var(--bg) !important;
}

.next-block-hint {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-body);
  white-space: nowrap;
  padding: 0 6px;
}

.next-block-hint.hidden { display: none !important; }

.setting-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 10px;
  line-height: 1.5;
}

.setting-hint kbd {
  font-family: var(--font-mono);
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
  color: var(--text);
}

.text-btn-primary {
  color: var(--accent);
  border-color: var(--accent);
}

.text-btn-primary:hover {
  background: var(--accent);
  color: var(--bg);
}

/* Projector window: strip all chrome, keep only the stage */
body.projector-mode .list-header,
body.projector-mode .search-bar,
body.projector-mode #songs-list,
body.projector-mode #list-view,
body.projector-mode .song-header,
body.projector-mode #settings-modal,
body.projector-mode .projector-btn,
body.projector-mode .presenter-aside {
  display: none !important;
}

body.projector-mode #song-view {
  display: flex;
  min-height: 100vh;
}

body.projector-mode .presenter-body {
  flex-direction: column;
  flex: 1;
  display: flex;
  min-height: 0;
}

body.projector-mode .song-stage {
  padding: 60px 40px;
  min-height: 100vh;
}

body.projector-mode .block-label {
  font-size: 20px;
  margin-bottom: 28px;
  opacity: 0.75;
}

/* ============ PRESENTER 3-COLUMN LAYOUT (только когда projector открыт) ============ */

.presenter-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.presenter-aside { display: none; }

body.presenter-active .presenter-body {
  flex-direction: row;
}

body.presenter-active .presenter-aside {
  display: flex;
  flex-direction: column;
  flex: 0 0 25%;
  min-width: 0;
  overflow: hidden;
  background: var(--bg);
}

body.presenter-active .presenter-aside.presenter-songs {
  border-right: 1px solid var(--line);
}

body.presenter-active .presenter-aside.presenter-blocks {
  border-left: 1px solid var(--line);
}

body.presenter-active .song-stage {
  flex: 1 1 50%;
  min-width: 0;
}

.aside-header {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.aside-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 700;
}

#presenter-search {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 13px;
  outline: none;
  min-width: 0;
}

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

#presenter-songs-list {
  overflow-y: auto;
  flex: 1;
  list-style: none;
  padding: 4px 0;
  margin: 0;
  max-width: none;
  width: auto;
}

.songs-list.compact .song-row {
  padding: 8px 12px;
  gap: 10px;
}

.songs-list.compact .song-row .num {
  min-width: 32px;
  font-size: 13px;
}

.songs-list.compact .song-row .title {
  font-size: 13px;
}

.songs-list.compact .song-row .key {
  font-size: 11px;
  padding: 2px 6px;
  min-width: 28px;
}

.songs-list.compact .song-row.active {
  background: var(--bg-elevated);
  border-left: 3px solid var(--accent);
  padding-left: 9px;
}

.blocks-list {
  overflow-y: auto;
  flex: 1;
  list-style: none;
  padding: 10px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.blocks-list li {
  background: var(--bg-elevated);
  border: 1.5px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--transition), transform 0.12s ease;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.blocks-list li:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.blocks-list li.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent) inset;
}

.block-preview-header {
  padding: 6px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.block-preview-label {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.block-preview-num {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
}

.block-preview-body {
  padding: 10px 12px;
  font-size: 11px;
  line-height: 1.35;
  color: var(--text);
  font-family: var(--font-body);
  display: flex;
  flex-direction: column;
  min-height: 72px;
  max-height: 120px;
  overflow: hidden;
  position: relative;
  text-align: center;
}

.block-preview-body::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 20px;
  background: linear-gradient(to bottom, transparent, var(--bg-elevated));
  pointer-events: none;
}

.block-preview-body .pl {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.block-preview-body .pc {
  color: var(--chord);
  font-family: var(--font-mono);
  font-size: 8.5px;
  opacity: 0.8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 3px;
  display: block;
}

.blocks-list .empty-state {
  padding: 24px 12px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  background: transparent;
  border: none;
}

@media (max-width: 900px) {
  body.presenter-active .presenter-body { flex-direction: column; }
  body.presenter-active .presenter-aside { display: none; }
  body.presenter-active .song-stage { flex: 1; }
}

.projector-hint {
  color: var(--text-muted);
  font-size: 28px;
  font-family: var(--font-body);
}