/* ═══════════════════════════════════════════════════════════
   ZIM — COMPONENTS CSS  (v2)
   Messages, code blocks, toasts, empty states
════════════════════════════════════════════════════════════ */

/* ─── Message Bubbles ────────────────────────────────────── */
.message {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  animation: msgFadeIn 0.18s ease;
  border-bottom: 1px solid var(--border-subtle);
}
.message:last-child { border-bottom: none; }

@keyframes msgFadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: translateY(0); }
}

.message-avatar {
  width: 30px; height: 30px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 13px;
  margin-top: 1px;
}
.message.user .message-avatar {
  background: var(--accent-code-bg);
  color: var(--accent-primary);
}
.message.assistant .message-avatar {
  background: var(--accent-cowork-bg);
  color: var(--accent-secondary);
}

.message-body { flex: 1; min-width: 0; }

.message-role {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-bottom: 5px;
  text-transform: capitalize;
  letter-spacing: 0.02em;
}

.message-content {
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-primary);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* ─── Markdown ───────────────────────────────────────────── */
.message-content p { margin-bottom: 10px; }
.message-content p:last-child { margin-bottom: 0; }

.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4 {
  margin: 18px 0 7px;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.message-content h1 { font-size: 1.35em; }
.message-content h2 { font-size: 1.18em; }
.message-content h3 { font-size: 1.06em; }

.message-content ul,
.message-content ol {
  margin: 8px 0;
  padding-left: 22px;
}
.message-content li { margin-bottom: 3px; }

.message-content blockquote {
  border-left: 3px solid var(--accent-primary);
  padding: 8px 16px;
  margin: 12px 0;
  background: var(--bg-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
}

.message-content a { color: var(--accent-primary); text-decoration: none; }
.message-content a:hover { text-decoration: underline; }
.message-content strong { font-weight: 600; color: var(--text-primary); }
.message-content em { font-style: italic; color: var(--text-secondary); }

/* Inline code */
.message-content code {
  background: var(--bg-code);
  padding: 2px 5px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.87em;
  color: var(--accent-code);
}

/* Code blocks */
.message-content pre {
  margin: 12px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
}
.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 14px;
  background: var(--bg-code-header);
  border-bottom: 1px solid var(--border-subtle);
}
.code-block-lang {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.code-block-copy {
  padding: 3px 8px;
  font-size: 11px;
  background: transparent;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}
.code-block-copy:hover { background: var(--bg-hover); color: var(--text-primary); }
.code-block-copy.copied { color: var(--success); border-color: var(--success); }

.message-content pre code {
  display: block;
  padding: 14px;
  overflow-x: auto;
  background: transparent;
  color: var(--text-primary);
  font-size: 12.5px;
  line-height: 1.6;
}

/* Tables */
.message-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 13px;
}
.message-content th,
.message-content td {
  padding: 7px 12px;
  border: 1px solid var(--border-primary);
  text-align: left;
}
.message-content th { background: var(--bg-tertiary); font-weight: 600; }
.message-content hr { border: none; border-top: 1px solid var(--border-primary); margin: 18px 0; }

/* ─── Streaming cursor ───────────────────────────────────── */
.streaming-cursor {
  display: inline-block;
  width: 2px; height: 1em;
  background: var(--accent-primary);
  margin-left: 2px;
  animation: blink 1s infinite;
  vertical-align: text-bottom;
  border-radius: 1px;
}
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ─── Typing indicator ───────────────────────────────────── */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 8px 0;
  align-items: center;
}
.typing-indicator span {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--text-tertiary);
  animation: typing 1.4s infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* ─── Toast Notifications ────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 16px; right: 16px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  border: 1px solid var(--border-primary);
  color: var(--text-primary);
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.25s ease;
  max-width: 340px;
  pointer-events: all;
  display: flex;
  align-items: center;
  gap: 8px;
}
.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); background: var(--danger-bg); }
.toast::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--text-tertiary);
}
.toast.success::before { background: var(--success); }
.toast.error::before { background: var(--danger); }
@keyframes toastIn {
  from { transform: translateX(110%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ─── Empty state ────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  color: var(--text-tertiary);
  font-size: 12px;
  text-align: center;
  gap: 6px;
}

/* ─── Modal overlay (shared) ─────────────────────────────── */
.modal-overlay-shared {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9000;
  padding: 20px;
}
.modal-content {
  background: var(--bg-panel);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
}
.modal-content.modal-large { max-width: 580px; }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
}
.modal-header h2 { font-size: 16px; font-weight: 600; }
.modal-close {
  background: none; border: none;
  color: var(--text-secondary);
  font-size: 22px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: color var(--transition-fast);
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 20px; overflow-y: auto; }

/* Model Dropdown */
.model-dropdown {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  min-width: 200px;
  padding: 4px;
  animation: fadeIn 0.15s ease;
}

.model-option {
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-primary);
}

.model-option:hover {
  background: var(--bg-hover);
}

.model-option.active {
  background: var(--accent-color);
  color: white;
}

.model-option .check {
  font-size: 12px;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}