/* ==========================================================================
   MOONVERSE CONVERSATION & REVIEW SYSTEM (MODERN SUBTLE COMPACT SPECIFICATION)
   Compact, stylish, subtle, calm in every palette, iOS-grade micro-segmented
   controls, radiant golden star ratings, and hairline thread architecture.
   ========================================================================== */

/* 1. Root & Container Layout */
.mv-conversation {
  color: var(--foreground);
  min-width: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  display: flex;
  flex-direction: column;
  gap: 12px;
  -webkit-font-smoothing: antialiased;
}
.mv-conversation :where(p, h2, h3, h4) {
  margin: 0;
}

/* 2. Heading & Segmented Tab Navigation */
.mv-talk-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
}
.mv-talk-heading > h2 {
  font-size: 14.5px;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--foreground);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Micro-segmented control */
.mv-talk-segments {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2.5px;
  background: color-mix(in srgb, var(--muted) 55%, var(--background));
  border: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
  border-radius: 9px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
main .mv-talk-segments button,
.mv-talk-segments button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 29px !important;
  height: 29px;
  padding: 4px 10px;
  border-radius: 7px;
  font-size: 11.5px;
  font-weight: 550;
  color: var(--muted-foreground);
  background: transparent;
  border: 0;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
main .mv-talk-segments button:hover,
.mv-talk-segments button:hover {
  color: var(--foreground);
  background: color-mix(in srgb, var(--card) 45%, transparent);
}
main .mv-talk-segments button[aria-pressed='true'],
.mv-talk-segments button[aria-pressed='true'] {
  color: var(--foreground) !important;
  background: var(--card) !important;
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.07), 0 0 0 1px color-mix(in srgb, var(--border) 70%, transparent) !important;
}
main .mv-talk-segments button > svg,
.mv-talk-segments button > svg {
  width: 13px;
  height: 13px;
  color: currentColor;
  opacity: 0.85;
}
main .mv-talk-segments button[aria-pressed='true'] > svg {
  color: var(--primary);
  opacity: 1;
}

/* Segment count pills */
.mv-talk-segment-count {
  font-size: 9.5px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  padding: 1.5px 6px;
  border-radius: 9999px;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
  line-height: 1.2;
}
main .mv-talk-segments button[aria-pressed='true'] .mv-talk-segment-count {
  background: color-mix(in srgb, var(--primary) 16%, transparent);
  color: var(--primary);
}
.mv-talk-segment-short {
  display: none;
}

/* 3. Compact Dropdowns (Sort / Rating Filter) */
main .mv-conversation select,
.mv-conversation select,
.mv-talk-heading select,
.mv-talk-review-filter select {
  min-height: 30px !important;
  height: 30px;
  padding: 0 26px 0 10px !important;
  font-size: 11px !important;
  font-weight: 550 !important;
  line-height: 30px !important;
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent) !important;
  border-radius: 7px !important;
  background-color: color-mix(in srgb, var(--card) 80%, var(--background)) !important;
  color: var(--foreground) !important;
  cursor: pointer;
  max-width: 136px;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 8px center !important;
  background-size: 11px !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03) !important;
  transition: all 0.15s ease !important;
}
main .mv-conversation select:hover,
.mv-conversation select:hover {
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border)) !important;
}
main .mv-conversation select:focus,
.mv-conversation select:focus {
  outline: none !important;
  border-color: color-mix(in srgb, var(--primary) 70%, var(--border)) !important;
  box-shadow: 0 0 0 2.5px color-mix(in srgb, var(--primary) 12%, transparent) !important;
}

/* 4. Compact Glass Composer */
.mv-talk-composer {
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  border-radius: 12px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--card) 85%, transparent), color-mix(in srgb, var(--card) 55%, var(--background)));
  padding: 12px 14px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  min-width: 0;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.mv-talk-composer:focus-within {
  border-color: color-mix(in srgb, var(--primary) 60%, var(--border));
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05), 0 0 0 2.5px color-mix(in srgb, var(--primary) 12%, transparent);
}
.mv-talk-composer-identity {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.mv-talk-composer-identity > div {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 3px 6px;
  min-width: 0;
}
.mv-talk-composer-identity strong {
  font-size: 12px;
  font-weight: 600;
  color: var(--foreground);
}
.mv-talk-composer-identity > div > span {
  font-size: 10.5px;
  color: var(--muted-foreground);
}
.mv-talk-composer-identity > button {
  margin-left: auto;
}

/* Avatars */
.mv-talk-avatar {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  border-radius: 50%;
  overflow: hidden;
  background: color-mix(in srgb, var(--primary) 10%, var(--card));
  color: var(--primary);
  border: 1px solid color-mix(in srgb, var(--primary) 20%, var(--border));
  font-size: 11px;
  font-weight: 650;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}
.mv-talk-avatar img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.mv-talk-avatar-small {
  width: 24px;
  height: 24px;
  flex-basis: 24px;
  font-size: 9.5px;
  border-width: 1px;
}

/* Textarea inside composer */
#root main .mv-conversation textarea,
main .mv-conversation textarea,
.mv-conversation textarea {
  display: block;
  width: 100%;
  height: 72px;
  min-height: 72px;
  max-height: 280px;
  border: 0 !important;
  border-radius: 0 !important;
  outline: none !important;
  box-shadow: none !important;
  padding: 4px 2px 8px !important;
  background: transparent !important;
  color: var(--foreground);
  font-size: 12.5px;
  line-height: 1.65;
  resize: vertical;
}
main .mv-conversation textarea::placeholder,
.mv-conversation textarea::placeholder {
  color: var(--muted-foreground);
  opacity: 0.8;
}

/* Composer footer */
.mv-talk-composer-footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 12px;
  border-top: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
  padding-top: 8px;
  margin-top: 4px;
}
.mv-talk-spoiler-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted-foreground);
  cursor: pointer;
  user-select: none;
}
.mv-talk-spoiler-check:hover {
  color: var(--foreground);
}
.mv-talk-spoiler-check input {
  width: 13px;
  height: 13px;
  border-radius: 3px;
  accent-color: var(--primary);
  cursor: pointer;
}
.mv-talk-counter,
.mv-talk-key-hint {
  font-size: 10px;
  color: var(--muted-foreground);
  font-variant-numeric: tabular-nums;
}
.mv-talk-counter {
  margin-left: auto;
}

/* Action Buttons */
main .mv-talk-primary,
.mv-talk-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 30px !important;
  height: 30px;
  padding: 5px 13px;
  border: 1px solid var(--primary);
  border-radius: 7px;
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 1px 5px color-mix(in srgb, var(--primary) 25%, transparent);
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}
main .mv-talk-primary:hover,
.mv-talk-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-0.5px);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--primary) 35%, transparent);
}
main .mv-talk-primary:active,
.mv-talk-primary:active {
  transform: translateY(0);
}
main .mv-talk-primary:disabled,
.mv-talk-primary:disabled {
  opacity: 0.45;
  cursor: default;
  transform: none;
  box-shadow: none;
}
main .mv-talk-icon,
.mv-talk-icon {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 26px;
  min-height: 26px !important;
  height: 26px;
  padding: 4px;
  border-radius: 6px;
  color: var(--muted-foreground);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: all 0.15s ease;
}
main .mv-talk-icon:hover,
.mv-talk-icon:hover {
  background: color-mix(in srgb, var(--muted) 60%, transparent);
  color: var(--foreground);
}

/* 5. Review Overview Breakdown Card (Compact & Balanced) */
.mv-talk-review-overview {
  display: grid;
  grid-template-columns: 100px minmax(140px, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 14px 18px;
  border: 1px solid color-mix(in srgb, var(--border) 65%, transparent);
  border-radius: 12px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--card) 85%, transparent), color-mix(in srgb, var(--card) 60%, var(--background)));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.03), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.mv-talk-average {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}
.mv-talk-average > strong {
  font-size: 30px;
  letter-spacing: -0.04em;
  font-weight: 750;
  line-height: 1;
  color: var(--foreground);
}
.mv-talk-average > span:last-child {
  font-size: 10.5px;
  color: var(--muted-foreground);
  font-weight: 500;
}

/* Stars */
.mv-talk-stars {
  display: inline-flex;
  align-items: center;
  gap: 2.5px;
  color: color-mix(in srgb, var(--border) 75%, transparent);
}
.mv-talk-stars svg {
  width: 13px;
  height: 13px;
}
.mv-talk-stars .is-filled,
.mv-talk-stars .is-filled svg {
  color: #f59e0b !important;
  fill: #f59e0b !important;
}

/* Rating distribution bars */
.mv-talk-distribution {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
main .mv-talk-distribution button,
.mv-talk-distribution button {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) 22px;
  align-items: center;
  gap: 8px;
  min-height: 20px !important;
  height: 20px;
  font-size: 10.5px;
  font-weight: 550;
  color: var(--muted-foreground);
  padding: 1px 4px;
  border-radius: 5px;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
}
main .mv-talk-distribution button:hover,
.mv-talk-distribution button:hover {
  background: color-mix(in srgb, var(--muted) 40%, transparent);
  color: var(--foreground);
}
main .mv-talk-distribution button[aria-pressed='true'],
.mv-talk-distribution button[aria-pressed='true'] {
  color: var(--primary) !important;
  font-weight: 650;
  background: color-mix(in srgb, var(--primary) 8%, transparent);
}
.mv-talk-rating-track {
  height: 4px;
  border-radius: 9999px;
  overflow: hidden;
  background: color-mix(in srgb, var(--muted) 75%, transparent);
}
.mv-talk-rating-track > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #f59e0b, #fbbf24);
  border-radius: 9999px;
  transition: width 0.25s ease;
}
.mv-talk-distribution button > :last-child {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-size: 10px;
}

/* 6. Review Composer & Star Picker */
.mv-talk-rating-picker {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  padding: 4px 0 8px;
  font-size: 11px;
  color: var(--foreground);
}
.mv-talk-rating-picker > span:first-child {
  font-weight: 600;
  font-size: 11.5px;
}
.mv-talk-rating-picker > div {
  display: flex;
  gap: 3px;
}
main .mv-talk-rating-picker button,
.mv-talk-rating-picker button {
  width: 30px;
  min-height: 30px !important;
  height: 30px;
  padding: 4px;
  border: 1px solid color-mix(in srgb, var(--border) 65%, transparent);
  background: color-mix(in srgb, var(--muted) 45%, var(--card));
  color: color-mix(in srgb, var(--muted-foreground) 80%, transparent);
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}
main .mv-talk-rating-picker button:hover,
.mv-talk-rating-picker button:hover {
  color: #f59e0b;
  border-color: color-mix(in srgb, #f59e0b 35%, var(--border));
  background: color-mix(in srgb, #f59e0b 8%, var(--card));
  transform: scale(1.04);
}
main .mv-talk-rating-picker button.is-selected,
.mv-talk-rating-picker button.is-selected {
  color: #f59e0b !important;
  border-color: color-mix(in srgb, #f59e0b 45%, var(--border)) !important;
  background: color-mix(in srgb, #f59e0b 12%, var(--card)) !important;
  box-shadow: 0 1px 6px rgba(245, 158, 11, 0.18) !important;
}
.mv-talk-rating-picker button svg {
  width: 14px;
  height: 14px;
}
.mv-talk-rating-value {
  font-size: 11px;
  font-weight: 650;
  color: #f59e0b;
  margin-left: 2px;
}

/* Review Headline */
main .mv-conversation .mv-talk-review-title,
.mv-conversation .mv-talk-review-title {
  width: 100%;
  min-height: 32px !important;
  height: 32px;
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent) !important;
  background: color-mix(in srgb, var(--background) 50%, var(--card)) !important;
  color: var(--foreground) !important;
  border-radius: 7px !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  padding: 0 10px !important;
  margin: 2px 0 8px !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03) !important;
  transition: all 0.15s ease !important;
}
main .mv-conversation .mv-talk-review-title:focus,
.mv-conversation .mv-talk-review-title:focus {
  outline: none !important;
  border-color: color-mix(in srgb, var(--primary) 70%, var(--border)) !important;
  box-shadow: 0 0 0 2.5px color-mix(in srgb, var(--primary) 12%, transparent) !important;
}
main .mv-talk-composer.is-review textarea,
.mv-talk-composer.is-review textarea {
  min-height: 96px !important;
  height: 96px !important;
}

/* Review filter sub-heading */
.mv-talk-review-filter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--foreground);
  padding: 2px 0;
  margin-top: 2px;
}
.mv-talk-review-filter span {
  font-size: 12px;
  font-weight: 600;
  color: var(--foreground);
}

/* 7. Comments & Reviews Thread (Clean Hairline Architecture) */
.mv-talk-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.mv-talk-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 2px;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 45%, transparent);
  min-width: 0;
}
.mv-talk-item:first-child {
  padding-top: 6px;
}
.mv-talk-item:last-child {
  border-bottom: 0;
}
.mv-talk-item-body {
  flex: 1;
  min-width: 0;
}
.mv-talk-author {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 7px;
  margin-bottom: 4px;
  min-width: 0;
  line-height: 1.45;
}
.mv-talk-author > strong {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--foreground);
}
.mv-talk-author > time,
.mv-talk-edited {
  font-size: 10.5px;
  color: var(--muted-foreground);
}
.mv-talk-edited {
  font-style: italic;
}
.mv-talk-badge {
  display: inline-block;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 9px;
  font-weight: 600;
  padding: 1.5px 6.5px;
  border: 1px solid color-mix(in srgb, var(--primary) 15%, var(--border));
  background: color-mix(in srgb, var(--primary) 6%, transparent);
  border-radius: 9999px;
  color: var(--primary);
}
.mv-talk-review h3 {
  font-size: 13px;
  font-weight: 650;
  line-height: 1.4;
  margin: 4px 0 3px;
  color: var(--foreground);
}
.mv-talk-content > p {
  font-size: 12.5px;
  line-height: 1.68;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: var(--foreground);
}
.mv-talk-review .mv-talk-content p {
  color: var(--foreground);
}

/* Action buttons */
.mv-talk-item-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 10px;
  margin-top: 6px;
}
main .mv-talk-action,
main .mv-talk-reply-toggle,
main .mv-talk-text-button,
.mv-talk-action,
.mv-talk-reply-toggle,
.mv-talk-text-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 26px !important;
  height: 26px;
  padding: 2px 7px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  font-size: 11px;
  font-weight: 550;
  color: var(--muted-foreground);
  cursor: pointer;
  transition: all 0.15s ease;
}
main .mv-talk-action:hover,
main .mv-talk-reply-toggle:hover,
.mv-talk-action:hover,
.mv-talk-reply-toggle:hover {
  color: var(--foreground);
  background: color-mix(in srgb, var(--muted) 50%, transparent);
}
main .mv-talk-action[aria-pressed='true'],
.mv-talk-action[aria-pressed='true'] {
  color: var(--primary) !important;
  background: color-mix(in srgb, var(--primary) 9%, transparent) !important;
  font-weight: 600;
}
.mv-talk-action-count {
  padding: 1px 5px;
  border-radius: 9999px;
  background: color-mix(in srgb, var(--muted) 75%, transparent);
  color: var(--muted-foreground);
  font-size: 9.5px;
  font-weight: 600;
  min-width: 16px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
main .mv-talk-action[aria-pressed='true'] .mv-talk-action-count {
  background: color-mix(in srgb, var(--primary) 16%, transparent);
  color: var(--primary);
}
.mv-talk-reply-toggle > svg {
  transition: transform 0.15s ease;
}
.mv-talk-reply-toggle[aria-expanded='true'] > svg {
  transform: rotate(180deg);
}
main .mv-talk-text-button {
  color: var(--primary);
  font-weight: 600;
  padding: 2px 0;
}

/* 8. Nested Replies */
.mv-talk-replies {
  margin-top: 8px;
  padding-left: 12px;
  border-left: 2px solid color-mix(in srgb, var(--primary) 20%, var(--border));
}
.mv-talk-item.is-reply {
  gap: 8px;
  padding: 8px 0;
  border-bottom: 0;
}
.mv-talk-item.is-reply .mv-talk-content > p {
  font-size: 12px;
  line-height: 1.62;
}
.mv-talk-item-body > .mv-talk-composer {
  margin-top: 8px;
}
main .mv-talk-composer.is-reply textarea,
.mv-talk-composer.is-reply textarea {
  min-height: 60px;
  height: 60px;
}
.mv-talk-composer.is-reply .mv-talk-key-hint {
  display: none;
}

/* 9. Spoiler Alerts & Notices */
main .mv-talk-spoiler,
.mv-talk-spoiler {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 2px;
  width: 100%;
  min-height: 44px !important;
  padding: 8px 12px;
  border: 1px dashed color-mix(in srgb, var(--primary) 28%, var(--border));
  background: color-mix(in srgb, var(--card) 50%, var(--background));
  color: var(--muted-foreground);
  border-radius: 8px;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
}
main .mv-talk-spoiler:hover,
.mv-talk-spoiler:hover {
  background: color-mix(in srgb, var(--card) 80%, var(--background));
  border-color: var(--primary);
}
.mv-talk-spoiler strong {
  font-size: 11px;
  font-weight: 600;
  color: var(--foreground);
}
.mv-talk-spoiler > span {
  font-size: 10.5px;
  color: var(--primary);
  font-weight: 500;
}
.mv-talk-spoiler-label {
  display: inline-block;
  font-size: 9px;
  font-weight: 600;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 8%, transparent);
  padding: 1.5px 6px;
  margin-bottom: 4px;
  border-radius: 4px;
}

/* Notices */
.mv-talk-notice {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid color-mix(in srgb, var(--primary) 22%, var(--border));
  background: color-mix(in srgb, var(--primary) 7%, var(--card));
  color: var(--primary);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 11.5px;
  font-weight: 550;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
}
.mv-talk-notice > button {
  margin-left: auto;
  min-width: 22px;
  min-height: 22px !important;
  padding: 3px;
}
.mv-talk-error {
  font-size: 11px;
  color: var(--destructive, #ef4444);
  font-weight: 550;
  margin-top: 6px !important;
}

/* Empty State */
.mv-talk-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 28px 16px;
  border: 1px dashed color-mix(in srgb, var(--border) 70%, transparent);
  border-radius: 12px;
  color: var(--muted-foreground);
  text-align: center;
  background: color-mix(in srgb, var(--card) 25%, transparent);
  margin-top: 4px;
}
.mv-talk-empty > svg {
  width: 22px;
  height: 22px;
  color: var(--primary);
  opacity: 0.75;
}
.mv-talk-empty strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--foreground);
}
.mv-talk-empty p {
  font-size: 11.5px;
  line-height: 1.6;
  max-width: 360px;
}

/* 10. Chapter Reader Discussion & Side Drawer */
.mv-chapter-conversation {
  width: 100%;
  margin: 24px auto 0;
  padding: 18px 0 12px;
  border-top: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}
.mv-talk-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  justify-content: flex-end;
  background: rgba(8, 11, 20, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.mv-talk-drawer {
  width: min(100%, 460px);
  height: 100dvh;
  overflow-y: auto;
  background: var(--background);
  border-left: 1px solid color-mix(in srgb, var(--border) 65%, transparent);
  padding: 16px;
  box-shadow: -6px 0 28px rgba(0, 0, 0, 0.12);
}
.mv-talk-drawer-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
}
.mv-talk-drawer-title h2 {
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -0.01em;
  margin: 0 0 3px;
  color: var(--foreground);
}
.mv-talk-drawer-title p {
  margin: 0;
  font-size: 11px;
  color: var(--muted-foreground);
}
.mv-talk-drawer .mv-talk-key-hint {
  display: none;
}

/* 11. Accessibility */
.mv-conversation :where(button, summary):focus-visible {
  outline: 2px solid color-mix(in srgb, var(--primary) 70%, transparent);
  outline-offset: 1px;
}
.mv-conversation :where(input, select):focus,
.mv-conversation :where(input, select):focus-visible {
  outline: none !important;
  border-color: color-mix(in srgb, var(--primary) 70%, var(--border)) !important;
  box-shadow: 0 0 0 2.5px color-mix(in srgb, var(--primary) 12%, transparent) !important;
}

/* 12. Viewport Scaling & Mobile Harmony */
@media (max-width: 1050px) {
  .mv-talk-key-hint {
    display: none;
  }
  .mv-talk-review-overview {
    grid-template-columns: 95px minmax(0, 1fr);
    gap: 14px;
  }
  .mv-talk-review-overview > .mv-talk-primary {
    grid-column: 1 / -1;
    justify-self: start;
    width: 100%;
  }
}

@media (max-width: 640px) {
  .mv-talk-heading {
    gap: 8px;
  }
  .mv-talk-heading > h2 {
    font-size: 14px;
  }
  .mv-talk-review-overview {
    padding: 12px 14px;
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 12px;
  }
  .mv-talk-average > strong {
    font-size: 26px;
  }
}

@media (max-width: 479px) {
  .mv-talk-heading {
    flex-wrap: wrap;
    gap: 6px;
  }
  .mv-talk-segments {
    width: auto;
    flex: 1;
  }
  .mv-talk-segment-label {
    display: none;
  }
  .mv-talk-segment-short {
    display: inline;
  }
  .mv-talk-segments button > svg {
    display: none;
  }
  main .mv-talk-segments button,
  .mv-talk-segments button {
    padding: 4px 6px;
    gap: 4px;
    font-size: 10.5px;
    min-height: 28px !important;
    height: 28px;
  }
  .mv-talk-heading > select {
    margin-left: 0;
    width: 106px;
    max-width: 106px;
    flex: 0 0 106px;
    font-size: 10.5px !important;
    padding: 0 22px 0 7px !important;
  }
  .mv-talk-composer {
    padding: 10px 12px;
    border-radius: 10px;
  }
  .mv-talk-composer-identity > div {
    flex-direction: column;
    align-items: flex-start;
    gap: 1px;
  }
  .mv-talk-composer-footer {
    gap: 6px;
  }
  .mv-talk-counter {
    font-size: 9.5px;
  }
  .mv-talk-item {
    gap: 8px;
    padding: 11px 0;
  }
  .mv-talk-item > .mv-talk-avatar {
    width: 28px;
    height: 28px;
    flex-basis: 28px;
    font-size: 9.5px;
  }
  .mv-talk-author {
    gap: 2px 5px;
  }
  .mv-talk-badge {
    max-width: 130px;
  }
  .mv-talk-content > p {
    font-size: 11.5px;
    line-height: 1.62;
  }
  .mv-talk-item-actions {
    gap: 3px 8px;
  }
  .mv-talk-replies {
    padding-left: 8px;
  }
  .mv-talk-reply-toggle {
    font-size: 9.5px !important;
  }
  .mv-talk-composer.is-reply .mv-talk-composer-footer .mv-talk-counter {
    display: none;
  }
  .mv-talk-review-overview {
    padding: 10px 12px;
    grid-template-columns: 80px minmax(0, 1fr);
    gap: 10px;
  }
  .mv-talk-average > strong {
    font-size: 24px;
  }
  .mv-talk-distribution button {
    gap: 5px;
    font-size: 9.5px;
  }
  .mv-talk-drawer {
    padding: 14px;
  }
}

@media (max-width: 340px) {
  .mv-talk-segments button {
    padding: 3px 4px !important;
    font-size: 9.5px !important;
  }
  .mv-talk-segment-count {
    padding: 1px 4px !important;
    font-size: 9px !important;
  }
  .mv-talk-heading > select {
    width: 92px !important;
    max-width: 92px !important;
    flex: 0 0 92px !important;
    font-size: 9.5px !important;
  }
  .mv-talk-review-overview {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .mv-talk-average {
    align-items: center;
    text-align: center;
    width: 100%;
  }
}

@media (pointer: coarse) {
  main .mv-talk-action,
  main .mv-talk-reply-toggle,
  main .mv-talk-text-button,
  main .mv-talk-primary,
  main .mv-talk-segments button,
  main .mv-talk-rating-picker button {
    min-height: 32px !important;
  }
  main .mv-talk-distribution button {
    min-height: 24px !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mv-talk-reply-toggle > svg,
  .mv-talk-primary,
  .mv-talk-segments button {
    transition: none !important;
  }
}