:root {
  --bg: #f7f8fd;
  --card: #ffffff;
  --ink: #13163a;
  --muted: #5b5f7a;
  --line: #e9ecf7;
  --accent: #ff4d6d;
  --accent-2: #ff9e2c;
  --green: #27c47f;
  --shadow: 0 8px 30px rgba(19, 22, 58, 0.08);
  --shadow-lg: 0 18px 50px rgba(19, 22, 58, 0.14);
}

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

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  overflow: hidden;
  height: 100vh;
}

#app {
  display: flex;
  height: 100vh;
}

/* Sidebar */
#sidebar {
  width: 300px;
  min-width: 300px;
  background: var(--card);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  overflow-y: auto;
}

#sidebar::-webkit-scrollbar { width: 8px; }
#sidebar::-webkit-scrollbar-track { background: transparent; }
#sidebar::-webkit-scrollbar-thumb { background: #c9cfdf; border-radius: 4px; }

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--line);
}

.sidebar-header h1 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--accent);
}

.room-setup {
  margin-top: 12px;
}

.btn-generate {
  width: 100%;
  padding: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
  font-weight: 700;
  box-shadow: 0 8px 22px rgba(255, 77, 109, 0.3);
}

.btn-generate:hover {
  background: linear-gradient(135deg, #ff3d5f, #f58f1f);
}

.room-hint {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 8px;
}

.btn-tv {
  width: 100%;
  margin-top: 8px;
  padding: 9px;
  background: var(--card);
  color: var(--accent);
  border: 1.5px solid var(--accent);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-tv:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}

.btn-clear-license {
  width: 100%;
  margin-top: 8px;
  padding: 7px;
  background: none;
  border: 1px dashed #c0392b;
  border-radius: 8px;
  color: #c0392b;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-clear-license:hover {
  background: #c0392b;
  color: #fff;
}

.share-toggle {
  width: 100%;
  padding: 7px;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.8rem;
  cursor: pointer;
  font-weight: 600;
}

.share-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Licencia */
.license-banner {
  margin-top: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.72rem;
  line-height: 1.4;
  text-align: center;
}

.license-banner.ok {
  background: #dff8ee;
  border: 1px solid var(--green);
  color: #1e9e60;
}

.license-banner.warning {
  background: #fff3e0;
  border: 1px solid #ffaa00;
  color: #b57400;
}

.license-banner.danger {
  background: #ffe4e9;
  border: 1px solid var(--accent);
  color: #e0455f;
}

.license-overlay {
  position: fixed;
  inset: 0;
  background: rgba(19, 22, 58, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.license-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px 28px;
  width: 90%;
  max-width: 400px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.license-card h2 {
  color: var(--accent);
  margin-bottom: 8px;
}

.license-sub {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.license-card input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  font-size: 0.95rem;
  text-align: center;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.license-card input:focus {
  outline: none;
  border-color: var(--accent);
}

.demo-divider {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 12px 0 8px;
}

.btn-demo {
  width: 100%;
  padding: 11px;
  border: 1.5px solid var(--green);
  border-radius: 10px;
  background: #dff8ee;
  color: #1e9e60;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
}

.btn-demo:hover {
  background: #c4efdc;
}

.btn-small {
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.75rem;
  margin-top: 6px;
}

.btn-small:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: #fff;
}

.room-info {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.room-info .room-name-label {
  flex-basis: 100%;
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
}

.room-info button {
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 2px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
}

.room-info button:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: #fff;
}

.qr-container {
  display: none;
  margin-top: 12px;
  text-align: center;
}

.share-title {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

#shareSection {
  display: block;
}

.share-buttons {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 6px;
}

.qr-image {
  width: 140px;
  height: 140px;
  border-radius: 8px;
  background: #fff;
  padding: 4px;
  cursor: pointer;
}

.qr-room {
  width: 210px;
  height: 210px;
  border: 2px solid var(--accent);
}

.qr-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 6px;
}

.mobile-url {
  display: block;
  font-size: 0.65rem;
  color: var(--muted);
  margin-top: 4px;
  word-break: break-all;
}

.main-header {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}

.main-header .header-section {
  min-width: 320px;
  max-width: 480px;
}

.header-section h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 8px;
}

.add-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.add-controls #pcSingerInput {
  padding: 8px 10px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font-size: 0.85rem;
}

.add-controls #pcSingerInput:focus {
  outline: none;
  border-color: var(--accent);
}

.add-song-row {
  display: flex;
  gap: 6px;
}

.add-song-row input {
  flex: 1;
  padding: 8px 10px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font-size: 0.85rem;
}

.add-song-row input:focus {
  outline: none;
  border-color: var(--accent);
}

.btn-add-sidebar {
  width: 36px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
}

.btn-add-sidebar:active { opacity: 0.8; }

.add-error {
  color: var(--accent);
  font-size: 0.75rem;
  margin-top: 4px;
  min-height: 1em;
}

.mood-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 12px;
}

.mood-chip {
  padding: 4px 10px;
  border: 1.5px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  color: var(--muted);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
}

.mood-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.mood-chip.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: #fff;
}

.small-chips .mood-chip {
  padding: 2px 8px;
  font-size: 0.85rem;
}

.song-mood-row {
  margin-bottom: 8px;
}

.song-mood-label {
  display: block;
  font-size: 0.7rem;
  color: var(--muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.song-mood-row .mood-chips {
  margin-bottom: 0;
}

/* Pending queues */
.pending-section {
  border-top: 1px solid var(--line);
  flex-shrink: 0;
  max-height: 50%;
  overflow-y: auto;
}

.pending-lists {
  padding: 8px 16px;
}

.pending-group {
  margin-bottom: 12px;
}

.pending-group-header {
  font-size: 0.75rem;
  color: #e8860a;
  font-weight: 700;
  margin-bottom: 4px;
  padding: 4px 0;
  border-bottom: 1px solid var(--line);
}

.pending-list {
  list-style: none;
}

.pending-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 4px;
  border-radius: 6px;
  transition: background 0.2s;
}
.pending-item:hover {
  background: #f3f5fc;
}
.pending-item .song-title {
  font-size: 0.75rem;
  font-weight: 600;
}
.pending-item .song-artist {
  font-size: 0.65rem;
}
.pending-item .btn-remove {
  font-size: 0.8rem;
  padding: 2px 6px;
}

.pending-mood-chips {
  display: flex;
  gap: 2px;
  margin-top: 4px;
}

.pending-mood-chips .mood-chip.sm {
  padding: 1px 5px;
  font-size: 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}

.pending-mood-chips .mood-chip.sm:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.pending-mood-chips .mood-chip.sm.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: #fff;
}

.singer-row {
  margin-bottom: 6px;
}

.singer-row input {
  width: 100%;
  padding: 6px 10px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font-size: 0.8rem;
}

.singer-row input:focus {
  outline: none;
  border-color: var(--accent);
}

.search-box {
  display: flex;
  gap: 6px;
  margin-bottom: 6px;
}

.search-box input {
  flex: 1;
  padding: 6px 10px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font-size: 0.8rem;
}

.search-box input:focus {
  outline: none;
  border-color: var(--accent);
}

.search-results-sidebar {
  max-height: 140px;
  overflow-y: auto;
  margin-bottom: 6px;
}

.search-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px;
  border-radius: 6px;
  cursor: default;
}
.search-item:hover {
  background: #f3f5fc;
}
.search-thumb {
  width: 32px;
  height: 24px;
  border-radius: 4px;
  object-fit: cover;
  flex-shrink: 0;
}
.search-item-info {
  flex: 1;
  min-width: 0;
}
.search-item-info strong {
  display: block;
  font-size: 0.7rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.search-item-info span {
  font-size: 0.65rem;
  color: var(--muted);
}
.btn-add-search {
  width: 24px;
  height: 24px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}
.btn-add-search:active { opacity: 0.8; }

.queue-list {
  list-style: none;
}

#queuePanel {
  width: 300px;
  min-width: 300px;
  background: var(--card);
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.queue-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}

.queue-header h2 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin: 0;
}

#queuePanel .queue-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
}

#queuePanel .empty-msg {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.queue-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 12px;
  margin-bottom: 6px;
  background: #f3f5fc;
  border-radius: 10px;
  transition: background 0.2s;
  cursor: pointer;
}

.queue-item.now-playing {
  background: #fff0f3;
  border-left: 3px solid var(--accent);
}

.queue-item.next-up {
  background: #fff7e6;
  border-left: 3px solid var(--accent-2);
}

.queue-item:hover {
  background: #e9ecf7;
}

.song-info {
  flex: 1;
  min-width: 0;
}

.song-title-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge {
  font-size: 0.6rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.badge-now {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}

.badge-next {
  background: var(--accent-2);
  color: #fff;
}

.song-title {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.song-status {
  font-size: 0.7rem;
  margin-left: 4px;
}

.song-artist {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 2px;
}

.btn-remove {
  background: none;
  border: none;
  color: #9aa0bd;
  cursor: pointer;
  font-size: 1rem;
  padding: 4px 8px;
  border-radius: 4px;
}

.btn-remove:hover {
  color: var(--accent);
  background: rgba(255, 77, 109, 0.1);
}

.empty-msg {
  text-align: center;
  color: #9aa0bd;
  font-style: italic;
  padding: 20px 0;
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px 20px;
  border-top: 1px solid var(--line);
}

/* Room recovery */
.room-recovery {
  padding: 12px 20px;
  border-top: 1px solid var(--line);
}

.room-recovery h2 {
  font-size: 0.8rem;
  color: #e8860a;
  margin-bottom: 4px;
}

.recovery-hint {
  font-size: 0.7rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.recovery-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.btn-recovery {
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-recovery:hover {
  border-color: var(--accent);
  background: #f3f5fc;
}

.volume-control label {
  font-size: 0.8rem;
  color: var(--muted);
  display: block;
  margin-bottom: 4px;
}

.volume-control input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

/* Voz del anfitrión (PC) */
.voice-control {
  margin-bottom: 12px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
}

.voice-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.voice-lang {
  flex-shrink: 0;
  padding: 6px 8px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font-size: 0.75rem;
}

.btn-mic {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.btn-mic:hover { background: linear-gradient(135deg, #ff3d5f, #f58f1f); }

.btn-mic.listening {
  background: var(--green);
  animation: micPulse 1s infinite;
}

@keyframes micPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(39, 196, 127, 0.5); }
  50% { box-shadow: 0 0 0 8px rgba(39, 196, 127, 0); }
}

.voice-status {
  flex: 1;
  font-size: 0.72rem;
  color: var(--muted);
  min-height: 1.2em;
}

.voice-hint {
  margin-top: 6px;
  font-size: 0.65rem;
  color: #9aa0bd;
  line-height: 1.4;
}

/* Main */
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  min-width: 0;
}

#dashboardArea {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 20px 28px;
}

.stats-content {
  max-width: 900px;
  margin: 0 auto;
}

.status-bar {
  height: 48px;
  min-height: 48px;
  background: var(--card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
}

#songTitle {
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#downloadStatus {
  color: var(--accent);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.admin-controls {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.admin-btn {
  background: var(--card);
  border: 1.5px solid var(--line);
  color: var(--ink);
  border-radius: 10px;
  padding: 6px 12px;
  font-size: 1rem;
  cursor: pointer;
}

.admin-btn:hover {
  background: #f3f5fc;
  border-color: var(--accent);
}

.stats-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  width: min(680px, 92vw);
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.stats-card h2 {
  color: var(--accent);
  margin-bottom: 16px;
  font-size: 1.2rem;
}

.stats-total {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.stat-box {
  flex: 1;
  min-width: 110px;
  background: #f7f8fd;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
}

.stat-box strong {
  display: block;
  font-size: 1.6rem;
  color: var(--ink);
}

.stat-box span {
  color: var(--muted);
  font-size: 0.75rem;
}

.stats-section {
  margin-bottom: 18px;
}

.stats-section h3 {
  color: var(--ink);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.stats-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  font-size: 0.8rem;
}

.stats-row .s-label {
  width: 190px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--ink);
}

.stats-bar {
  height: 12px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.stats-row .s-count {
  width: 40px;
  text-align: right;
  color: var(--muted);
}

.stats-hours {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 110px;
  padding: 0 4px;
}

.stats-hours div {
  flex: 1;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border-radius: 2px 2px 0 0;
  position: relative;
}

.stats-hours div span {
  position: absolute;
  bottom: -16px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.55rem;
  color: #9aa0bd;
}

.searching {
  text-align: center;
  color: var(--muted);
  font-style: italic;
  padding: 8px;
  font-size: 0.75rem;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}