:root {
  --accent: #337ab7;
  --accent-dark: #286090;
  --muted: #6c757d;
  --panel-shadow: 0 1px 4px rgba(0, 0, 0, 0.16);
  --prompter-bg: #111827;
  --prompter-text: #f8f9fa;
  --prompter-font-size: 48px;
  --prompter-line-height: 1.6;
  --prompter-width: 62ch;
  --guide-color: rgb(255 98 86 / 52%);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  background-color: #f5f5f5;
  color: #333;
  line-height: 1.6;
  padding-top: 70px;
  overflow-x: hidden;
}

a {
  text-decoration: none;
}

.text-bold {
  font-weight: 600;
}

.text-white {
  color: #fff;
}

.text-decoration-none {
  text-decoration: none;
}

.text-decoration-none:hover,
.text-decoration-none:focus {
  text-decoration: none;
}

.generic-flex {
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  float: none;
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 14px 0;
  margin-right: auto;
}

.navbar-brand img {
  height: 18px;
}

.navbar-tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  padding-right: 0;
}

.navbar-icon {
  color: #fff;
  padding: 0;
  display: flex;
  line-height: 1;
}

.navbar-icon:hover,
.navbar-icon:focus {
  color: #fff;
  opacity: 1;
  text-decoration: none;
}

.navbar-icon svg {
  display: block;
  color: #ffffff;
  filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.45));
}

.icon-button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.icon-button svg {
  width: 18px;
  height: 18px;
}

.icon-button {
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.icon-button .icon {
  display: none;
}

.icon-button .icon-play,
.icon-button .icon-fullscreen {
  display: inline-flex;
}

body.is-playing #playToggle .icon-play {
  display: none;
}

body.is-playing #playToggle .icon-pause {
  display: inline-flex;
}

#playToggle:focus {
  box-shadow: 0 0 0 2px rgba(92, 184, 92, 0.35);
}

body.is-playing #playToggle {
  background-color: #ff5144;
  border-color: #ff5144;
  color: #fff;
}

body.is-playing #playToggle:hover,
body.is-playing #playToggle:focus {
  opacity: 0.9;
}

body.is-playing #playToggle:focus {
  box-shadow: 0 0 0 2px rgba(240, 173, 78, 0.35);
}

body.is-fullscreen #fullscreenBtn .icon-fullscreen {
  display: none;
}

body.is-fullscreen #fullscreenBtn .icon-fullscreen-exit {
  display: inline-flex;
}

.teleprompter-container {
  padding: 24px 0 40px;
}

.teleprompter-col {
  margin-bottom: 24px;
}

@media (min-width: 992px) {
  .teleprompter-col {
    margin-bottom: 0;
  }
}

.prompter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.prompter-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-only {
  width: 38px;
  height: 38px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-only svg {
  width: 18px;
  height: 18px;
}

.panel {
  background-color: #fff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--panel-shadow);
}

.panel + .panel {
  margin-top: 24px;
}

.panel-header h1,
.panel-header h2 {
  margin: 0 0 8px;
  font-size: 20px;
  color: #2c3e50;
}

.panel-header p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.editor-panel textarea {
  width: 100%;
  min-height: 240px;
  padding: 14px;
  margin-top: 16px;
  border-radius: 6px;
  border: 1px solid #ced4da;
  background-color: #fff;
  font-size: 15px;
  line-height: 1.6;
  resize: vertical;
  font-family: inherit;
}

.panel-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
  border-top: none;
  border-radius: 7px;
}

.panel-footer button {
  border-radius: 20px;
  padding: 6px 14px;
}

.controls-grid {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.control {
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.control label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: #2c3e50;
}

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

.control-row {
  display: grid;
  gap: 8px;
  margin-top: 4px;
}

.navbar-brand {
  padding: 0;
}

.navbar-brand a:hover {
  color: #fff;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #2c3e50;
}

.toggle input {
  width: 16px;
  height: 16px;
  margin-top: 0;
}

.color-row {
  display: grid;
  gap: 12px;
}

.color-row .control {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.control input[type="color"] {
  width: 42px;
  height: 32px;
  border: none;
  background: transparent;
  cursor: pointer;
}

progress {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
}

progress::-webkit-progress-bar {
  background: rgba(0, 0, 0, 0.1);
  border-radius: 999px;
}

progress::-webkit-progress-value {
  background: linear-gradient(90deg, var(--accent), #5aa3ff);
  border-radius: 999px;
}

progress::-moz-progress-bar {
  background: linear-gradient(90deg, var(--accent), #5aa3ff);
  border-radius: 999px;
}

.prompter-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.prompter-stage {
  position: relative;
}

.status-pill {
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(13, 110, 253, 0.1);
  color: var(--accent-dark);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

body.is-playing .status-pill {
  background: rgba(13, 110, 253, 0.2);
}

.prompter-frame {
  position: relative;
  height: clamp(320px, 60vh, 680px);
  border-radius: 10px;
  padding: 40px clamp(24px, 5vw, 70px);
  background: var(--prompter-bg);
  color: var(--prompter-text);
  border: 1px solid #1f2937;
  box-shadow: var(--panel-shadow);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
}

.prompter-frame::-webkit-scrollbar {
  width: 0;
}

.prompter-frame::before,
.prompter-frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 120px;
  pointer-events: none;
  z-index: 1;
}

.prompter-frame::before {
  top: 0;
  background: linear-gradient(180deg, var(--prompter-bg), rgba(17, 24, 39, 0));
}

.prompter-frame::after {
  bottom: 0;
  background: linear-gradient(0deg, var(--prompter-bg), rgba(17, 24, 39, 0));
}

.prompter-frame.is-mirrored .prompter-content {
  transform: scaleX(-1);
}

.prompter-content {
  position: relative;
  z-index: 2;
  max-width: var(--prompter-width);
  margin: 0 auto;
  font-size: var(--prompter-font-size);
  line-height: var(--prompter-line-height);
  white-space: pre-wrap;
  word-break: break-word;
}

.prompter-content.is-empty {
  text-align: center;
  opacity: 0.7;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: 0.3px;
}

.guide-line {
  position: absolute;
  left: 8%;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  height: 2px;
  border-radius: 999px;
  background: var(--guide-color);
  opacity: 0;
  z-index: 3;
  pointer-events: none;
}

.prompter-stage.show-guide .guide-line {
  opacity: 1;
}

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

kbd {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid #cfd4da;
  background: #fff;
  color: #2c3e50;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2px;
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.12);
  margin: 0 2px;
}

.about-notice {
  font-size: 13px;
  color: var(--muted);
}

.about-author-link {
  color: var(--accent);
}

.about-author-link:hover,
.about-author-link:focus {
  color: var(--accent-dark);
  text-decoration: none;
}

.prompter-stage:fullscreen {
  width: 100%;
  height: 100%;
}

.prompter-stage:fullscreen .prompter-frame {
  width: 100%;
  height: 100%;
  border-radius: 0;
  padding: 70px clamp(32px, 8vw, 120px);
}

.prompter-stage:fullscreen .prompter-content {
  max-width: min(72ch, 90vw);
}

@media (max-width: 768px) {
  body {
    padding-top: 94px;
  }

  .navbar-brand {
    width: 100%;
    padding-bottom: 6px;
  }

  .teleprompter-container {
    padding-left: 15px;
    padding-right: 15px;
  }

  .prompter-actions {
    justify-content: flex-start;
  }

  .panel {
    padding: 16px;
  }

  .prompter-frame {
    height: 50vh;
    padding: 32px 18px;
  }

  .prompter-content {
    font-size: clamp(28px, 5.6vw, 42px);
  }
}