/**
 * MultiSpeaker — Frontend styles.
 * All accent colors use var(--primary) to inherit the host site's brand color.
 */

/* ─── Accordion ──────────────────────────────────────────────────── */

.ms-accordion {
  margin: 2em 0;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

.ms-accordion-toggle {
  width: 100%;
  padding: 1.25em 1.5em;
  background: #f8f9fa;
  border: none;
  border-bottom: 1px solid #e9ecef;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  transition: background-color 0.2s ease;
  min-height: 72px;
  box-sizing: border-box;
}

.ms-accordion-toggle:hover {
  background: #f1f3f5;
}

.ms-accordion-toggle:focus {
  outline: 2px solid var(--primary, #555);
  outline-offset: -2px;
}

.ms-accordion-toggle[aria-expanded="true"] {
  background: #f1f3f5;
}

.ms-accordion-header {
  display: flex;
  align-items: center;
  gap: 0.75em;
  flex: 1;
  min-height: 44px;
}

.ms-accordion-icon-img {
  width: 1.75em;
  height: 1.75em;
  flex-shrink: 0;
  color: var(--primary, #555);
}

.ms-accordion-title-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.2em;
  flex: 1;
  min-width: 0;
}

.ms-accordion-title {
  font-size: 1.0625em;
  font-weight: 600;
  color: #333;
  line-height: 1.4;
  display: block;
}

.ms-accordion-description {
  font-size: 0.875em;
  color: #6c757d;
  font-style: italic;
  line-height: 1.4;
  display: block;
}

/* Chevron */
.ms-accordion-chevron {
  width: 1.25em;
  height: 1.25em;
  position: relative;
  flex-shrink: 0;
  margin-left: 1em;
  transition: transform 0.3s ease;
}

.ms-accordion-chevron::before,
.ms-accordion-chevron::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 0.7em;
  background: #333;
  transform: translate(-50%, -50%);
  transition: transform 0.3s ease;
}

.ms-accordion-chevron::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.ms-accordion-toggle[aria-expanded="true"] .ms-accordion-chevron::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

/* Accordion content */
.ms-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.5em;
}

.ms-accordion-content[aria-hidden="false"] {
  max-height: 600px;
  padding: 1.5em;
}

/* ─── Player wrapper ─────────────────────────────────────────────── */

.ms-player-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ─── Generate / play button ─────────────────────────────────────── */

.ms-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75em;
  padding: 0.875em 1.75em;
  background: var(--primary, #555);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1em;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.ms-button:hover:not(:disabled) {
  opacity: 0.88;
}

.ms-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.ms-button.generating::after {
  content: "";
  display: inline-block;
  width: 1em;
  height: 1em;
  margin-left: 0.5em;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ms-spin 0.8s linear infinite;
}

@keyframes ms-spin {
  to { transform: rotate(360deg); }
}

.ms-button-icon {
  display: inline-block;
  width: 1.25em;
  height: 1.25em;
  background: currentColor;
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolygon points='5 3 19 12 5 21 5 3'%3E%3C/polygon%3E%3C/svg%3E");
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolygon points='5 3 19 12 5 21 5 3'%3E%3C/polygon%3E%3C/svg%3E");
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
}

.ms-button.playing .ms-button-icon {
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='6' y='4' width='4' height='16'%3E%3C/rect%3E%3Crect x='14' y='4' width='4' height='16'%3E%3C/rect%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='6' y='4' width='4' height='16'%3E%3C/rect%3E%3Crect x='14' y='4' width='4' height='16'%3E%3C/rect%3E%3C/svg%3E");
}

/* ─── Audio player ───────────────────────────────────────────────── */

.ms-player {
  display: none;
  width: 100%;
  margin-top: 1.25em;
  padding-top: 1.25em;
  border-top: 1px solid #e9ecef;
}

.ms-player.active {
  display: block;
}

.ms-player audio {
  display: none;
}

.ms-player-controls {
  display: flex;
  flex-direction: column;
  gap: 0.75em;
  width: 100%;
}

.ms-progress-container {
  width: 100%;
  padding: 4px 0;
  order: 1;
}

.ms-progress-bar {
  width: 100%;
  height: 6px;
  background: #e9ecef;
  border-radius: 3px;
  cursor: pointer;
  position: relative;
  display: block;
  transition: height 0.2s ease;
}

.ms-progress-bar:hover {
  height: 8px;
}

.ms-progress-fill {
  height: 100%;
  background: var(--primary, #555);
  border-radius: 3px;
  transition: width 0.1s linear;
  width: 0%;
  position: absolute;
  top: 0;
  left: 0;
  min-width: 2px;
  pointer-events: none;
}

.ms-controls-row {
  display: flex;
  align-items: center;
  gap: 1em;
  width: 100%;
  order: 2;
}

.ms-play-pause {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75em;
  height: 2.75em;
  background: var(--primary, #555);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: opacity 0.2s ease;
  flex-shrink: 0;
}

.ms-play-pause:hover {
  opacity: 0.88;
}

.ms-play-pause svg {
  width: 1.1em;
  height: 1.1em;
  fill: currentColor;
}

.ms-time {
  font-size: 0.875em;
  color: #6c757d;
  white-space: nowrap;
  margin-left: auto;
}

.ms-time-current {
  color: #555;
}

.ms-time-duration {
  color: var(--primary, #555);
}

/* ─── Waiting phrases ────────────────────────────────────────────── */

.ms-waiting-phrases {
  margin: 1.25em 0;
  min-height: 1.5em;
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
}

.ms-waiting-phrase {
  position: absolute;
  width: 100%;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
  text-align: center;
  color: #6c757d;
  font-style: italic;
  font-weight: 500;
  top: 0;
  left: 0;
}

.ms-waiting-phrase.active {
  opacity: 1;
}

/* ─── Audio wave loader (brand-colored bars) ─────────────────────── */

.ms-loader {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 4px;
  height: 32px;
  margin: 1em auto 0;
}

.ms-loader .bar {
  width: 5px;
  border-radius: 3px;
  background: var(--primary, #555);
  animation: ms-wave 1.2s ease-in-out infinite;
  transform-origin: bottom;
}

.ms-loader .bar:nth-child(1) { height: 60%; animation-delay: 0s; }
.ms-loader .bar:nth-child(2) { height: 100%; animation-delay: 0.15s; }
.ms-loader .bar:nth-child(3) { height: 45%; animation-delay: 0.3s; }
.ms-loader .bar:nth-child(4) { height: 80%; animation-delay: 0.45s; }
.ms-loader .bar:nth-child(5) { height: 60%; animation-delay: 0.6s; }

@keyframes ms-wave {
  0%, 100% { transform: scaleY(0.4); opacity: 0.5; }
  50%       { transform: scaleY(1);   opacity: 1; }
}

/* ─── Generating message ─────────────────────────────────────────── */

.ms-generating-message {
  margin-top: 1em;
  padding: 0.75em 1.25em;
  background: #f8f9fa;
  color: #555;
  border: 1px solid #dee2e6;
  border-radius: 6px;
  font-size: 0.9375em;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
}

.ms-generating-message::before {
  content: "";
  display: inline-block;
  width: 1em;
  height: 1em;
  border: 2px solid rgba(85, 85, 85, 0.25);
  border-top-color: var(--primary, #555);
  border-radius: 50%;
  animation: ms-spin 0.8s linear infinite;
  flex-shrink: 0;
}

/* ─── Error ──────────────────────────────────────────────────────── */

.ms-error {
  margin-top: 1em;
  padding: 0.75em 1em;
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
  border-radius: 4px;
  font-size: 0.875em;
}

/* ─── Mobile ─────────────────────────────────────────────────────── */

@media (max-width: 767px) {
  .ms-accordion {
    margin: 1em 0;
  }

  .ms-accordion-toggle {
    padding: 1em 1.25em;
    min-height: 64px;
  }

  .ms-accordion-icon-img {
    width: 1.5em;
    height: 1.5em;
  }

  .ms-accordion-title {
    font-size: 1em;
  }

  .ms-accordion-description {
    font-size: 0.8125em;
  }

  .ms-accordion-content[aria-hidden="false"] {
    padding: 1em 1.25em;
  }
}