:root {
  color-scheme: dark;
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  --bg: #0c0f14;
  --panel: #151a22;
  --panel-alt: #1f2632;
  --text: #eef3ff;
  --muted: #98a3b8;
  --accent: #5fd1ff;
  --accent-strong: #2b92ff;
  --line-alt: rgba(95, 209, 255, 0.3);
  --font-size: 40px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #182030, var(--bg));
  color: var(--text);
}

body.output-open {
  overflow: hidden;
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

header {
  margin-bottom: 24px;
}

header h1 {
  margin: 0 0 8px;
  font-size: 32px;
}

header p {
  margin: 0;
  color: var(--muted);
}

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  background: var(--panel);
  padding: 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.control-group label {
  font-size: 14px;
  color: var(--muted);
}

.control-group span {
  font-size: 14px;
  color: var(--accent);
}

.control-group .voice-hint {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.control-group input[type="range"] {
  width: 100%;
}

.control-group input[type="color"] {
  width: 100%;
  height: 40px;
  border: none;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.toggles label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
}

.buttons {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
}

button {
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-weight: 600;
  background: var(--accent-strong);
  color: #fff;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

button.secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.editor {
  margin-top: 24px;
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.editor-pane,
.preview-pane {
  background: var(--panel);
  padding: 20px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.editor-pane h2,
.preview-pane h2 {
  margin-top: 0;
  font-size: 18px;
}

.script-input {
  background: var(--panel-alt);
  padding: 16px;
  min-height: 260px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  outline: none;
  line-height: 1.6;
}

.script-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(95, 209, 255, 0.2);
}

.script-input div {
  margin-bottom: 8px;
}

.hint {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.teleprompter {
  position: relative;
  height: 420px;
  background: #040608;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.teleprompter-content {
  width: 100%;
  padding: 40px 32px;
  font-size: var(--font-size);
  line-height: 1.6;
  transform: translateY(var(--scroll-offset, 0px));
  will-change: transform;
}

.teleprompter-content .line {
  margin-bottom: 12px;
  color: var(--text);
}

.teleprompter-content .line * {
  color: inherit;
}

.teleprompter-content.alternate .line:nth-child(even) {
  color: var(--line-alt);
}

.teleprompter-content.alternate .line:nth-child(even) * {
  color: inherit;
}

.teleprompter.flip-horizontal .teleprompter-content {
  transform: scaleX(-1) translateY(var(--scroll-offset, 0px));
}

.teleprompter.flip-vertical .teleprompter-content {
  transform: scaleY(-1) translateY(var(--scroll-offset, 0px));
}

.teleprompter.flip-horizontal.flip-vertical .teleprompter-content {
  transform: scale(-1) translateY(var(--scroll-offset, 0px));
}

.output-overlay {
  position: fixed;
  inset: 0;
  background: #040608;
  display: flex;
  flex-direction: column;
  z-index: 20;
}

.output-overlay[hidden] {
  display: none;
}

.output-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  background: rgba(21, 26, 34, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.output-controls-group {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}

.output-controls-group label {
  font-size: 14px;
  color: var(--muted);
}

.output-controls-group span {
  font-size: 13px;
  color: var(--accent);
}

.voice-status {
  font-weight: 600;
  color: var(--muted);
}

.voice-status.on {
  color: #63f2a4;
}

.voice-status.error {
  color: #ff6b6b;
}

.output-controls-group input[type="range"] {
  width: 160px;
}

.output-close {
  margin-left: auto;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.output-teleprompter {
  flex: 1;
  height: auto;
  border-radius: 0;
  border: none;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  cursor: grab;
}

.output-teleprompter.dragging {
  cursor: grabbing;
}

.output-teleprompter .teleprompter-content {
  padding: 80px 72px;
}

@media (max-width: 900px) {
  .controls {
    grid-template-columns: 1fr;
  }
  .buttons {
    justify-content: flex-start;
  }
  .output-controls {
    flex-direction: column;
    align-items: flex-start;
  }
  .output-close {
    margin-left: 0;
  }
}