/* ============================================================
   messages.css — Telegram-style Chat App
   macOS Desktop Website
   ============================================================ */

/* ── Theme tokens ───────────────────────────────────────────── */

#window-messages {
  --msg-bg: #0e1621;
  --msg-header-bg: #17212b;
  --msg-header-border: rgba(255, 255, 255, 0.06);
  --msg-header-text: #d4d4d4;
  --msg-header-dim: #8e8e93;
  --msg-input-bg: #17212b;
  --msg-input-field: #242f3d;
  --msg-input-text: #d4d4d4;
  --msg-input-border: rgba(255, 255, 255, 0.08);
  --msg-input-placeholder: #6c7883;
  --msg-bubble-user: #2b5278;
  --msg-bubble-user-text: #fff;
  --msg-bubble-ai: #182533;
  --msg-bubble-ai-text: #d4d4d4;
  --msg-time: #6c7883;
  --msg-online: #4dcd5e;
  --msg-accent: #3390ec;
  --msg-chip-bg: #242f3d;
  --msg-chip-border: rgba(255, 255, 255, 0.08);
}

.theme-light #window-messages {
  --msg-bg: #e6ebee;
  --msg-header-bg: #fff;
  --msg-header-border: rgba(0, 0, 0, 0.08);
  --msg-header-text: #1d1d1f;
  --msg-header-dim: #8e8e93;
  --msg-input-bg: #fff;
  --msg-input-field: #f0f0f2;
  --msg-input-text: #1d1d1f;
  --msg-input-border: rgba(0, 0, 0, 0.1);
  --msg-input-placeholder: #8e8e93;
  --msg-bubble-user: #effdde;
  --msg-bubble-user-text: #1d1d1f;
  --msg-bubble-ai: #fff;
  --msg-bubble-ai-text: #1d1d1f;
  --msg-time: #8e8e93;
  --msg-online: #34c759;
  --msg-accent: #3390ec;
  --msg-chip-bg: #fff;
  --msg-chip-border: rgba(0, 0, 0, 0.1);
}

/* ── Layout ─────────────────────────────────────────────────── */

#window-messages .window-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background: var(--msg-bg);
  padding: 0;
}

/* ── Header ─────────────────────────────────────────────────── */

.msg-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: var(--msg-header-bg);
  border-bottom: 1px solid var(--msg-header-border);
  flex-shrink: 0;
}

.msg-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #5856D6, #3390ec);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 17px;
  color: #fff;
}

.msg-header-info {
  min-width: 0;
}

.msg-header-name {
  font-family: var(--font-system);
  font-size: 14px;
  font-weight: 600;
  color: var(--msg-header-text);
}

.msg-header-status {
  font-family: var(--font-system);
  font-size: 12px;
  color: var(--msg-online);
}

/* ── Messages area ──────────────────────────────────────────── */

.msg-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  scrollbar-width: thin;
  scrollbar-color: rgba(128,128,128,0.3) transparent;
}

.msg-messages::-webkit-scrollbar       { width: 5px; }
.msg-messages::-webkit-scrollbar-track { background: transparent; }
.msg-messages::-webkit-scrollbar-thumb { background: rgba(128,128,128,0.3); border-radius: 3px; }

/* ── Bubbles ────────────────────────────────────────────────── */

.msg-row {
  display: flex;
  flex-direction: column;
  max-width: 80%;
}

.msg-row.msg-user {
  align-self: flex-end;
  align-items: flex-end;
}

.msg-row.msg-ai {
  align-self: flex-start;
  align-items: flex-start;
}

.msg-bubble {
  padding: 7px 12px 6px;
  border-radius: 12px;
  font-family: var(--font-system);
  font-size: 14px;
  line-height: 1.45;
  word-wrap: break-word;
  white-space: pre-wrap;
  position: relative;
}

.msg-user .msg-bubble {
  background: var(--msg-bubble-user);
  color: var(--msg-bubble-user-text);
  border-bottom-right-radius: 4px;
}

.msg-ai .msg-bubble {
  background: var(--msg-bubble-ai);
  color: var(--msg-bubble-ai-text);
  border-bottom-left-radius: 4px;
}

.msg-bubble .msg-inline-time {
  float: right;
  font-size: 10px;
  color: var(--msg-time);
  margin-left: 8px;
  margin-top: 4px;
  line-height: 1;
}

/* ── Typing indicator ───────────────────────────────────────── */

.msg-typing .msg-bubble {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 10px 16px;
}

.msg-typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--msg-bubble-ai-text);
  opacity: 0.4;
  animation: msg-typing-bounce 1.2s ease-in-out infinite;
}

.msg-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.msg-typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes msg-typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-3px); opacity: 0.9; }
}

/* ── Suggestion chips ───────────────────────────────────────── */

.msg-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px 20px 2px;
}

.msg-chip {
  background: var(--msg-chip-bg);
  color: var(--msg-accent);
  border: 1px solid var(--msg-chip-border);
  border-radius: 16px;
  padding: 6px 14px;
  font-family: var(--font-system);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.msg-chip:hover {
  background: var(--msg-accent);
  color: #fff;
  border-color: var(--msg-accent);
}

/* ── Input bar ──────────────────────────────────────────────── */

.msg-input-bar {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 8px 12px 10px;
  background: var(--msg-input-bg);
  border-top: 1px solid var(--msg-header-border);
  flex-shrink: 0;
}

.msg-input {
  flex: 1;
  background: var(--msg-input-field);
  border: 1px solid var(--msg-input-border);
  border-radius: 20px;
  padding: 8px 16px;
  font-family: var(--font-system);
  font-size: 14px;
  color: var(--msg-input-text);
  outline: none;
  resize: none;
  max-height: 80px;
  line-height: 1.4;
}

.msg-input::placeholder {
  color: var(--msg-input-placeholder);
}

.msg-input:focus {
  border-color: var(--msg-accent);
}

.msg-send-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: var(--msg-accent);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.12s;
  margin-bottom: 1px;
}

.msg-send-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.msg-send-btn svg {
  display: block;
}

/* ── Rate limit / system notices ────────────────────────────── */

.msg-notice {
  text-align: center;
  padding: 8px 16px;
  font-family: var(--font-system);
  font-size: 12px;
  color: var(--msg-time);
  font-style: italic;
}

/* ── Markdown in AI responses ───────────────────────────────── */

.msg-ai .msg-bubble strong { font-weight: 700; }
.msg-ai .msg-bubble em { font-style: italic; }
.msg-ai .msg-bubble a { color: var(--msg-accent); text-decoration: underline; }
.msg-ai .msg-bubble code {
  background: rgba(128,128,128,0.15);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* ── Reduced motion ─────────────────────────────────────────── */

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