/* ============================================
   MDX Conversation Container
   ============================================ */

.conversation {
  background: var(--chat-bg);
  border-radius: var(--chat-radius);
  box-shadow: var(--chat-shadow);
  overflow: hidden;
  font-family: var(--chat-font);
  max-width: var(--chat-max-width);
  margin: 32px 0;
  padding: 0;
}

/* --- Header (optional — shows participant labels) --- */
.conversation__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--header-border);
  background: var(--chat-bg);
}

.conversation__label {
  font-size: var(--header-label-size);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--header-label-color);
}

.conversation__label--sender {
  color: var(--bubble-sender-bg);
}

.conversation__label--receiver {
  color: var(--color-chat-muted);
}

/* --- Messages area --- */
.conversation__body {
  padding: var(--chat-padding);
  display: flex;
  flex-direction: column;
  gap: var(--gap-same-sender);
}

/* ============================================
   MDX Message Bubble
   ============================================ */

.message {
  display: flex;
  flex-direction: column;
  max-width: var(--bubble-max-width);
}

/* --- Sender (user / "Ty") — right-aligned --- */
.message--sender,
.message--user {
  align-self: flex-end;
  align-items: flex-end;
}

.message--sender .message__bubble,
.message--user .message__bubble {
  background: var(--bubble-sender-bg);
  color: var(--bubble-sender-text);
  border-radius: var(--bubble-radius);
  border-bottom-right-radius: var(--bubble-tail-radius);
  padding: var(--bubble-padding);
  font-size: var(--bubble-font-size);
  font-weight: var(--bubble-font-weight);
  line-height: var(--bubble-line-height);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* --- Receiver (match / "Ona") — left-aligned --- */
.message--receiver,
.message--match {
  align-self: flex-start;
  align-items: flex-start;
}

.message--receiver .message__bubble,
.message--match .message__bubble {
  background: var(--bubble-receiver-bg);
  color: var(--bubble-receiver-text);
  border: 1px solid var(--bubble-receiver-border);
  box-shadow: var(--bubble-receiver-shadow);
  border-radius: var(--bubble-radius);
  border-bottom-left-radius: var(--bubble-tail-radius);
  padding: var(--bubble-padding);
  font-size: var(--bubble-font-size);
  font-weight: var(--bubble-font-weight);
  line-height: var(--bubble-line-height);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* --- Spacing: extra gap between different senders --- */
.message--sender + .message--receiver,
.message--receiver + .message--sender,
.message--user + .message--match,
.message--match + .message--user {
  margin-top: calc(var(--gap-diff-sender) - var(--gap-same-sender));
}

/* --- Consecutive same-sender radius tightening --- */
.message--sender + .message--sender .message__bubble,
.message--user + .message--user .message__bubble {
  border-top-right-radius: var(--bubble-tail-radius);
}

.message--receiver + .message--receiver .message__bubble,
.message--match + .message--match .message__bubble {
  border-top-left-radius: var(--bubble-tail-radius);
}

/* --- Timestamp --- */
.message__timestamp {
  font-size: var(--timestamp-size);
  color: var(--timestamp-color);
  margin-top: 4px;
  padding: 0 4px;
  line-height: 1;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.message--sender .message__timestamp,
.message--user .message__timestamp {
  text-align: right;
}

.message--receiver .message__timestamp,
.message--match .message__timestamp {
  text-align: left;
}

/* --- Annotation (coach note) --- */
.message__annotation {
  border-left: 3px solid var(--annotation-border);
  background: var(--annotation-bg);
  border-radius: 0 8px 8px 0;
  padding: 10px 16px;
  margin: 8px 0;
  font-size: var(--annotation-size);
  font-weight: 400;
  line-height: 1.5;
  color: var(--annotation-text);
  max-width: 100%;
  align-self: stretch;
}

.message__annotation-label {
  font-size: var(--font-size-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--annotation-label-color);
  margin-bottom: 4px;
  display: block;
}

/* --- Silence / no-reply indicator --- */
.message--silence {
  align-self: center;
  max-width: 90%;
}

.message--silence .message__bubble,
.message--silence .message__silence {
  background: transparent;
  border: 1px dashed var(--color-course-border);
  color: var(--color-chat-muted);
  font-style: italic;
  font-size: var(--font-size-sm);
  font-weight: 400;
  text-align: center;
  border-radius: 8px;
  padding: 8px 16px;
  box-shadow: none;
}

/* --- Emoji-only messages --- */
.message__bubble--emoji {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  font-size: var(--font-size-display);
  padding: 4px 8px;
  line-height: 1.2;
}

/* --- Links inside bubbles --- */
.message--sender .message__bubble a,
.message--user .message__bubble a {
  color: var(--bubble-sender-text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.message--receiver .message__bubble a,
.message--match .message__bubble a {
  color: var(--color-chat-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

/* --- Day divider --- */
.conversation__divider {
  text-align: center;
  font-size: var(--font-size-caption);
  font-weight: 500;
  color: var(--timestamp-color);
  padding: 12px 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================
   ConversationMockup — Island Component
   ============================================ */

.conversation-mockup {
  background: var(--chat-bg);
  border-radius: var(--chat-radius);
  box-shadow: var(--chat-shadow);
  overflow: hidden;
  font-family: var(--chat-font);
  max-width: var(--chat-mockup-max-width);
  margin: 24px auto;
  display: flex;
  flex-direction: column;
}

/* --- Phone frame wrapper --- */
.conversation-mockup--framed {
  background: var(--color-bg-page);
  border-radius: 28px;
  padding: 12px;
  box-shadow: 0 8px 32px rgba(75, 96, 110, 0.14);
  max-width: 420px;
  margin: 0 auto;
}

.conversation-mockup--framed .conversation-mockup__inner {
  border-radius: 16px;
  box-shadow: none;
  border: 1px solid var(--chat-border);
  overflow: hidden;
  background: var(--chat-bg);
  display: flex;
  flex-direction: column;
}

/* --- Status bar (phone frame) --- */
.conversation-mockup__statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 20px 4px;
  font-size: var(--font-size-caption);
  font-weight: 600;
  color: var(--color-text);
}

/* --- Header --- */
.conversation-mockup__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--header-border);
}

.conversation-mockup__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-course-border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-chat-muted);
  overflow: hidden;
}

.conversation-mockup__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.conversation-mockup__name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.2;
}

.conversation-mockup__status {
  font-size: var(--font-size-caption);
  font-weight: 400;
  color: var(--timestamp-color);
}

/* --- Platform badge --- */
.conversation-mockup__platform {
  font-size: var(--font-size-caption);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-chat-muted);
  background: var(--color-bg-page);
  padding: 3px 8px;
  border-radius: 4px;
  margin-left: auto;
}

.conversation-mockup__platform--tinder {
  color: var(--color-error);
  background: var(--color-error-bg);
}

.conversation-mockup__platform--bumble {
  color: var(--color-warning);
  background: var(--color-warning-bg);
}

.conversation-mockup__platform--hinge {
  color: var(--color-callout-purple);
  background: var(--color-callout-purple-bg);
}

/* --- Messages area --- */
.conversation-mockup__messages {
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: var(--gap-same-sender);
  min-height: 120px;
  max-height: 420px;
  overflow-y: auto;
}

.conversation-mockup__messages::-webkit-scrollbar {
  width: 4px;
}

.conversation-mockup__messages::-webkit-scrollbar-thumb {
  background: var(--color-course-border);
  border-radius: 2px;
}

.conversation-mockup__messages::-webkit-scrollbar-track {
  background: transparent;
}

/* --- Bubbles --- */
.conversation-mockup__bubble {
  max-width: 80%;
  padding: var(--bubble-padding);
  font-size: var(--bubble-font-size);
  font-weight: var(--bubble-font-weight);
  line-height: var(--bubble-line-height);
  border-radius: var(--bubble-radius);
  word-wrap: break-word;
  overflow-wrap: break-word;
  position: relative;
}

.conversation-mockup__bubble--sender {
  background: var(--bubble-sender-bg);
  color: var(--bubble-sender-text);
  align-self: flex-end;
  border-bottom-right-radius: var(--bubble-tail-radius);
}

.conversation-mockup__bubble--receiver {
  background: var(--bubble-receiver-bg);
  color: var(--bubble-receiver-text);
  border: 1px solid var(--bubble-receiver-border);
  box-shadow: var(--bubble-receiver-shadow);
  align-self: flex-start;
  border-bottom-left-radius: var(--bubble-tail-radius);
}

/* Spacing between different senders */
.conversation-mockup__bubble--sender + .conversation-mockup__bubble--receiver,
.conversation-mockup__bubble--receiver + .conversation-mockup__bubble--sender {
  margin-top: calc(var(--gap-diff-sender) - var(--gap-same-sender));
}

/* Consecutive same-sender tightening */
.conversation-mockup__bubble--sender + .conversation-mockup__bubble--sender {
  border-top-right-radius: var(--bubble-tail-radius);
}

.conversation-mockup__bubble--receiver + .conversation-mockup__bubble--receiver {
  border-top-left-radius: var(--bubble-tail-radius);
}

/* --- Timestamp --- */
.conversation-mockup__time {
  font-size: var(--timestamp-size);
  font-weight: 400;
  color: var(--timestamp-color);
  margin-top: 4px;
  padding: 0 4px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.conversation-mockup__time--right {
  text-align: right;
  align-self: flex-end;
}

.conversation-mockup__time--left {
  text-align: left;
  align-self: flex-start;
}

/* --- Read receipt --- */
.conversation-mockup__receipt {
  font-size: var(--font-size-caption);
  color: var(--timestamp-color);
  text-align: right;
  padding-right: 4px;
  margin-top: 2px;
}

.conversation-mockup__receipt--read {
  color: var(--color-chat-accent);
}

/* --- Typing indicator --- */
.conversation-mockup__typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 20px;
  background: var(--bubble-receiver-bg);
  border: 1px solid var(--bubble-receiver-border);
  border-radius: var(--bubble-radius);
  border-bottom-left-radius: var(--bubble-tail-radius);
  align-self: flex-start;
  max-width: 80px;
}

.conversation-mockup__typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--timestamp-color);
  animation: rc-typing 1.4s infinite ease-in-out;
}

.conversation-mockup__typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.conversation-mockup__typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes rc-typing {
  0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
  30% { opacity: 1; transform: scale(1); }
}

/* --- Annotation --- */
.conversation-mockup__annotation {
  border-left: 3px solid var(--annotation-border);
  background: var(--annotation-bg);
  border-radius: 0 8px 8px 0;
  padding: 10px 16px;
  margin: 8px 0;
  font-size: var(--annotation-size);
  font-weight: 400;
  line-height: 1.5;
  color: var(--annotation-text);
  align-self: stretch;
}

.conversation-mockup__annotation-label {
  font-size: var(--font-size-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--annotation-label-color);
  margin-bottom: 4px;
}

/* --- Date separator --- */
.conversation-mockup__date {
  text-align: center;
  font-size: var(--font-size-caption);
  font-weight: 500;
  color: var(--timestamp-color);
  padding: 12px 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Input bar (decorative) --- */
.conversation-mockup__input {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--header-border);
  background: var(--color-bg-page);
}

.conversation-mockup__input-field {
  flex: 1;
  padding: 10px 16px;
  border-radius: 20px;
  border: 1px solid var(--chat-border);
  background: var(--chat-bg);
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--timestamp-color);
}

.conversation-mockup__input-send {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bubble-sender-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-text-inverse);
}

/* --- No-reply highlight --- */
.conversation-mockup__bubble--no-reply {
  opacity: 0.6;
}

.conversation-mockup__bubble--no-reply::after {
  content: '';
  position: absolute;
  inset: -2px;
  border: 2px dashed var(--color-error);
  border-radius: inherit;
  pointer-events: none;
}

/* --- Mode badges --- */
.conversation-mockup__mode-header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  gap: 8px;
}

.conversation-mockup__mode-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: var(--font-size-caption);
  font-weight: 600;
  color: var(--color-text-inverse);
}

.conversation-mockup__mode-badge--active {
  background: var(--bubble-sender-bg);
}

.conversation-mockup__mode-badge--inactive {
  background: var(--color-chat-muted);
}

/* --- Title header --- */
.conversation-mockup__title-header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
}

.conversation-mockup__title {
  font-size: var(--font-size-caption);
  font-weight: 600;
  color: var(--color-chat-muted);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
  .conversation,
  .conversation-mockup {
    max-width: 100%;
    margin-left: 16px;
    margin-right: 16px;
    border-radius: 16px;
  }

  .conversation-mockup--framed {
    padding: 8px;
    border-radius: 20px;
    max-width: 100%;
    margin: 16px;
  }

  .conversation-mockup__messages,
  .conversation__body {
    padding: 16px 12px;
  }

  .message__bubble,
  .conversation-mockup__bubble {
    max-width: 85%;
    padding: 10px 16px;
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 380px) {
  .conversation,
  .conversation-mockup {
    margin-left: 8px;
    margin-right: 8px;
    border-radius: 12px;
  }

  .message__bubble,
  .conversation-mockup__bubble {
    max-width: 88%;
    padding: 10px 14px;
  }
}

@media (min-width: 1200px) {
  .conversation {
    max-width: var(--chat-max-width);
  }
  .conversation-mockup {
    max-width: var(--chat-mockup-max-width);
  }
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .conversation,
  :root:not([data-theme="light"]) .conversation-mockup {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.20);
  }
}

@media (prefers-reduced-motion: reduce) {
  .conversation-mockup__typing-dot {
    animation: none;
    opacity: 0.5;
  }
}

@media print {
  .conversation,
  .conversation-mockup {
    box-shadow: none;
    border: 1px solid var(--color-border);
  }
}