:root {
  --bg: #0b0714;
  --bg-panel: #17102b;
  --bg-panel-2: #1f1638;
  --accent: #ff2fa0;
  --accent-2: #29e0ff;
  --accent-3: #ffd23f;
  --text: #f2eefc;
  --text-dim: #b6a9d6;
  --border: #382a5c;
  --danger: #ff5c5c;
  --ok: #35e08a;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at 20% -10%, #2a1750 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px 40px;
}

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 4px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 0 18px rgba(255, 47, 160, 0.5);
}

.brand h1 {
  margin: 0;
  font-size: 1.3rem;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  margin: 2px 0 0;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.topbar-actions {
  display: flex;
  gap: 8px;
}

/* Buttons */
.btn {
  background: var(--bg-panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 14px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: transform 0.05s ease, border-color 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:hover:not(:disabled) {
  border-color: var(--accent-2);
}
.btn:active:not(:disabled) {
  transform: scale(0.97);
}
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.btn.primary {
  background: linear-gradient(90deg, var(--accent), #c2158a);
  border-color: transparent;
  font-weight: 600;
}
.btn.ghost {
  background: transparent;
}
.btn.danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}
.btn.danger:hover:not(:disabled) {
  background: color-mix(in srgb, var(--danger) 15%, transparent);
}
.btn.small {
  padding: 5px 10px;
  font-size: 0.75rem;
}

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}

.panel {
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-panel-2));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

.panel h2 {
  margin-top: 0;
  font-size: 1.05rem;
  color: var(--accent-2);
  letter-spacing: 0.5px;
}

/* Video */
.source-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.tab-btn {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 0.8rem;
  cursor: pointer;
}

.tab-btn.active {
  color: var(--text);
  border-color: var(--accent-2);
  background: rgba(41, 224, 255, 0.08);
}

.video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}

#player, #player iframe, .local-video {
  width: 100%;
  height: 100%;
}

.local-video {
  display: block;
  object-fit: contain;
  background: #000;
}

.hidden {
  display: none !important;
}

.file-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}

.file-name {
  flex: 1;
  display: flex;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-dim);
  padding: 20px;
  pointer-events: none;
  font-size: 0.9rem;
}

.video-controls, .queue-row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.video-controls input, .queue-row input, select {
  flex: 1;
  background: #0f0a1e;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 0.85rem;
  min-width: 0;
}

.video-controls input:focus, .queue-row input:focus, select:focus {
  outline: none;
  border-color: var(--accent-2);
}

.search-panel {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}

.playlist-panel h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  color: var(--accent-3);
}

/* Toast (add-to-queue confirmation etc.) */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(16px);
  background: #150f26;
  border: 1px solid var(--ok);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 0.85rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  max-width: 90vw;
  text-align: center;
}

.toast.toast-error {
  border-color: var(--danger);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent-2);
  font-size: 0.72rem;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

.link-btn-danger {
  color: var(--danger);
}

.api-key-status {
  font-size: 0.8rem;
  color: var(--ok);
  margin: 0 0 8px;
}

.search-results-header {
  display: flex;
  justify-content: flex-end;
  margin: 8px 0 -2px;
}

.player-error {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  padding: 24px;
  color: var(--text);
  font-size: 0.85rem;
  line-height: 1.5;
}

.player-error p {
  margin: 0;
  max-width: 420px;
}

.search-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 8px;
}

.search-result {
  background: #150f26;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: inherit;
}

.search-result:hover {
  border-color: var(--accent-2);
}

.search-result img {
  width: 100%;
  border-radius: 6px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #000;
}

.search-result .sr-title {
  font-size: 0.76rem;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-result .sr-channel {
  font-size: 0.68rem;
  color: var(--text-dim);
}

.sr-add-btn {
  margin-top: 2px;
  align-self: flex-start;
  background: rgba(41, 224, 255, 0.12);
  border: 1px solid var(--accent-2);
  color: var(--text);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 0.68rem;
  cursor: pointer;
}

.sr-add-btn:hover {
  background: rgba(41, 224, 255, 0.25);
}

.search-result.added {
  border-color: var(--ok);
  background: rgba(53, 224, 138, 0.12);
}

#btnSearchMore {
  display: block;
  width: 100%;
  margin-top: 10px;
}

/* Shared session panel */
.session-panel {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}

#btnSessionStart {
  width: 100%;
}

.phone-mic-row {
  /* The host already sings through its own connected mics (local USB/
     SingStar or the device mic) — "use this device as a wireless mic"
     only makes sense for a device that joined via the session link. */
  display: none;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}

body.join-mode .phone-mic-row {
  display: block;
}

.phone-mic-row .btn {
  width: 100%;
  margin-bottom: 8px;
}

.phone-mic-active {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 18px 0 10px;
}

.phone-mic-icon {
  --level: 0;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(255, 47, 160, 0.25), transparent 70%);
  box-shadow: 0 0 calc(10px + var(--level) * 40px) calc(2px + var(--level) * 10px) rgba(41, 224, 255, 0.55);
  transform: scale(calc(1 + var(--level) * 0.12));
  transition: transform 0.06s linear, box-shadow 0.06s linear;
}

.phone-mic-icon img {
  width: 64px;
  height: 64px;
}

.phone-mic-active .vu-meter {
  width: 260px;
}

.phone-mic-gain-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 260px;
}

.phone-mic-gain-row label {
  font-size: 0.78rem;
  color: var(--text-dim);
  flex: 0 0 auto;
}

.phone-mic-gain-row input[type="range"] {
  flex: 1;
  accent-color: var(--accent-2);
}

.phone-mic-gain-row .val {
  font-size: 0.78rem;
  color: var(--text-dim);
  width: 2.5em;
  text-align: right;
}

.phone-mic-active .btn {
  width: auto;
  padding-left: 24px;
  padding-right: 24px;
}

#phoneMicsList:empty::after {
  content: "Noch keine Handy-Mikros verbunden.";
  display: block;
  font-size: 0.78rem;
  color: var(--text-dim);
  grid-column: 1 / -1;
}

.session-code-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.session-qr {
  width: 128px;
  height: 128px;
  flex: 0 0 auto;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  padding: 6px;
  box-sizing: border-box;
}

.session-qr img,
.session-qr canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.session-code-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.session-code-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #0f0a1e;
  border: 1px solid var(--accent-2);
  border-radius: 10px;
  padding: 8px 18px;
}

.session-label {
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.session-code {
  font-family: "Courier New", monospace;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent-3);
}

.session-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Join mode: a phone opening a ?join=CODE link only sees search + queue,
   everything player/host-specific (the whole video-panel column, mixer/API
   settings, stage mode) is hidden. */
body.join-mode .video-panel,
body.join-mode #btnStage,
body.join-mode #btnSettings,
body.join-mode #btnOpenApiKeySettings,
body.join-mode #settingsModal,
body.join-mode .statusbar,
body.join-mode #sessionStartRow,
body.join-mode #btnQueueNext {
  display: none !important;
}

body.join-mode .layout {
  grid-template-columns: 1fr;
  max-width: 480px;
  margin: 0 auto;
}

.queue-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  max-height: 140px;
  overflow-y: auto;
}

.queue-export-row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.queue-export-row .btn {
  flex: 1;
}

.queue-list li {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 10px;
  background: #150f26;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 6px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.queue-list li button {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 0.85rem;
}

/* Mixer */
.mixer-group {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 16px;
  background: rgba(255,255,255,0.02);
}

.mixer-row {
  display: grid;
  grid-template-columns: 110px 1fr 40px;
  align-items: center;
  gap: 10px;
  margin: 8px 0;
}

.mixer-row.head {
  grid-template-columns: 1fr auto;
  font-weight: 600;
  color: var(--accent-3);
  margin-top: 0;
}

.mixer-row.checkbox-row {
  grid-template-columns: 1fr;
}

.mixer-row label {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.mixer-row input[type="range"] {
  width: 100%;
  accent-color: var(--accent-2);
}

.mixer-row .val {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.hint {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin: 6px 0 0;
  line-height: 1.4;
}

.mic-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 10px;
}

@media (max-width: 560px) {
  .mic-columns { grid-template-columns: 1fr; }
}

.mic-col {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  background: #130d24;
}

.mic-col h3 {
  margin: 0 0 8px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ch-tag {
  font-size: 0.65rem;
  background: var(--accent);
  color: #fff;
  border-radius: 4px;
  padding: 1px 6px;
}

.vu-meter {
  width: 100%;
  height: 14px;
  display: block;
  border-radius: 4px;
  background: #05030a;
  margin-bottom: 8px;
}

/* Statusbar */
.statusbar {
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-dim);
  display: flex;
  gap: 8px;
}

.sep { opacity: 0.5; }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(5, 2, 12, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}

.modal.hidden { display: none; }

.modal-content {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  max-width: 680px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 26px 28px;
  position: relative;
  line-height: 1.55;
  font-size: 0.9rem;
}

.modal-content h2 { color: var(--accent-2); margin-top: 0; }
.modal-content h3 { color: var(--accent-3); margin-bottom: 6px; }

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
}

/* Stage / fullscreen mode */
#btnMenu {
  display: none;
}

body.stage-mode #btnMenu {
  display: inline-flex;
}

body.stage-mode .playlist-panel,
body.stage-mode .topbar-actions #btnHelp,
body.stage-mode .topbar-actions #btnSettings,
body.stage-mode .topbar-actions #btnExperimental {
  display: none;
}

body.stage-mode .layout {
  grid-template-columns: 1fr;
}

body.stage-mode .video-panel {
  padding: 0;
  border: none;
  background: transparent;
}

body.stage-mode .video-wrap {
  aspect-ratio: auto;
  height: 88vh;
}

/* Experimentell: Gesangstrennung, Track-Liste, Pitch-Scoring */
.exp-track-row {
  background: #150f26;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 10px;
}

.exp-track-name {
  font-weight: 600;
  margin-bottom: 2px;
}

.exp-track-status {
  margin-bottom: 8px;
}

.exp-track-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.exp-progress {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.exp-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #29e0ff);
  transition: width 0.3s ease;
}

.exp-lyrics-preview {
  margin-top: 8px;
  max-height: 3.2em;
  overflow: hidden;
  text-overflow: ellipsis;
}

.exp-pitch-canvas {
  width: 100%;
  height: 160px;
  display: block;
  background: #0a0512;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 10px 0;
}

.exp-lyrics-box {
  white-space: pre-wrap;
  max-height: 120px;
  overflow-y: auto;
}