/*!
 * MD3 Utilities for Zoaholic
 * Combined utility classes extracted from repeated Tailwind compositions
 * Note: Uses palette values from Tailwind config in static/index.html.
 */

:root {
  --md-color-primary: #1976D2;
  --md-color-surface: #FAFCFF;
  --md-color-on-surface: #191C1E;
  --md-color-outline: #72777F;

  --md-success-container: #C8E6C9;
  --md-on-success-container: #1B5E20;
  --md-warning-container: #FFE0B2;
  --md-on-warning-container: #E65100;
  --md-error-container: #FFDAD6;
  --md-on-error-container: #410002;
}

/* Status Chips - background/text/border combined */
.md-chip-status-healthy {
  background-color: var(--md-success-container);
  color: var(--md-on-success-container);
  border: 1px solid var(--md-success-container);
}

.md-chip-status-warning {
  background-color: var(--md-warning-container);
  color: var(--md-on-warning-container);
  border: 1px solid var(--md-warning-container);
}

.md-chip-status-error {
  background-color: var(--md-error-container);
  color: var(--md-on-error-container);
  border: 1px solid var(--md-error-container);
}

/* Inputs - reusable base and size modifiers */
.md-input {
  background-color: var(--md-color-surface);
  color: var(--md-color-on-surface);
  border: 1px solid var(--md-color-outline);
  border-radius: 4px; /* matches rounded-md-xs */
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}
.md-input:focus {
  border-color: var(--md-color-primary);
  border-width: 2px;
}

.md-input-compact {
  padding: 8px 12px; /* py-2 px-3 */
}

.md-input-large {
  padding: 12px 16px; /* py-3 px-4 */
}

.md-input-pill {
  border-radius: 9999px;
}

/* Utility: visually consistent transition for opacity/transform used across UI */
.md-transition {
  transition: all 0.2s ease;
}
/* ========== Hover fade-in in group context ========== */
/* Usage: parent has class "group", child has class "md-hover-fade-in" */
.md-hover-fade-in {
  opacity: 0;
  transition: opacity 0.2s ease;
}
.group:hover .md-hover-fade-in {
  opacity: 1;
}

/* ========== Input helpers ========== */
.md-input-center { text-align: center; }
.md-input-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* ========== Range slider ========== */
/* Normalize range appearance across browsers and align with MD palette */
.md-range {
  width: 100%;
  height: 8px;
  background-color: var(--md-color-surface);
  border-radius: 9999px;
  appearance: none;
  cursor: pointer;
  accent-color: var(--md-color-primary);
}
.md-range::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 9999px;
  background-color: var(--md-color-surface);
}
.md-range::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 9999px;
  background-color: var(--md-color-primary);
  margin-top: -4px; /* centers the thumb on 8px track */
}
.md-range::-moz-range-track {
  height: 8px;
  border-radius: 9999px;
  background-color: var(--md-color-surface);
}
.md-range::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 9999px;
  background-color: var(--md-color-primary);
}
/* Additional surface container variable and input variant */
:root {
  --md-surface-container: #EDF1F6;
}

/* Variant: input on surface-container background (used by chat input etc.) */
.md-input-surface-container {
  background-color: var(--md-surface-container);
}

/* ========== Chat Message Card Styles ========== */
/* Clean, airy, focus design for chat messages */

.message-wrapper {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}

.role-label {
  font-size: 13px;
  color: #6B7280;
  font-weight: 400;
  padding-left: 4px;
}

.message-card {
  position: relative;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 16px 20px;
  background-color: var(--md-color-surface);
  transition: border-color 0.2s ease;
}

.message-card:hover {
  border-color: var(--md-color-outline);
}

.message-content {
  font-size: 15px;
  line-height: 1.6;
  color: var(--md-color-on-surface);
  word-wrap: break-word;
}

.message-content h2,
.message-content h3 {
  font-size: 18px;
  font-weight: 700;
  margin-top: 12px;
  margin-bottom: 8px;
}

.message-content p {
  margin-bottom: 12px;
}

.message-content p:last-child {
  margin-bottom: 0;
}

/* Action bar - right top corner, shows on hover */
.action-bar {
  position: absolute;
  top: 8px;
  right: 8px;
  
  display: flex;
  gap: 4px;
  background-color: var(--md-color-surface);
  border: 1px solid var(--md-color-outline-variant);
  border-radius: 20px;
  padding: 4px 8px;
  
  /* Hidden by default */
  opacity: 0;
  visibility: hidden;
  transform: translateY(-2px);
  transition: all 0.2s ease-in-out;
  
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.message-card:hover .action-bar {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.action-bar .icon-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  color: var(--md-color-on-surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s ease, color 0.15s ease;
  width: 28px;
  height: 28px;
}

.action-bar .icon-btn:hover {
  background-color: var(--md-color-primary);
  color: var(--md-color-on-primary);
}

.action-bar .icon-btn .material-symbols-outlined {
  font-size: 18px;
}

/* Typing indicator for streaming */
.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background-color: var(--md-color-primary);
  margin-left: 2px;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* Dropdown menu for more options */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 200px;
  background-color: var(--md-color-surface);
  border: 1px solid var(--md-color-outline-variant);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease-in-out;
  overflow: hidden;
}

.dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background-color 0.15s ease;
  font-size: 15px;
  color: var(--md-color-on-surface);
}

.dropdown-menu-item:hover {
  background-color: var(--md-color-surface-container);
}

.dropdown-menu-item.danger {
  color: var(--md-color-error);
}

.dropdown-menu-item.danger:hover {
  background-color: var(--md-error-container);
}

/* Inline edit textarea */
.message-edit-textarea {
  width: 100%;
  min-height: 100px;
  padding: 12px;
  border: 2px solid var(--md-color-primary);
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--md-color-on-surface);
  background-color: var(--md-color-surface);
  resize: vertical;
  font-family: inherit;
  outline: none;
  overflow-y: hidden; /* 隐藏滚动条以便自适应高度 */
}

.message-edit-textarea:focus {
  border-color: var(--md-color-primary);
  box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

/* Message card in edit mode */
.message-card.editing {
  border-color: var(--md-color-primary);
  background-color: var(--md-color-surface-container-low);
}

/* ========== Thinking/Reasoning Section Styles ========== */
/* Collapsible section for displaying model reasoning process */

.thinking-section {
  margin-bottom: 16px;
  border: 1px solid var(--md-color-outline-variant);
  border-radius: 8px;
  overflow: hidden;
  background-color: #F8F9FA;
  transition: all 0.3s ease;
}

.thinking-section.hidden {
  display: none;
}

.thinking-header {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  background-color: #E8EAF6;
  border-bottom: 1px solid var(--md-color-outline-variant);
}

.thinking-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 4px 8px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: #3F51B5;
  text-align: left;
  border-radius: 6px;
  transition: background-color 0.15s ease;
}

.thinking-toggle:hover {
  background-color: rgba(63, 81, 181, 0.08);
}

.thinking-toggle .material-symbols-outlined:first-child {
  font-size: 20px;
  color: #3F51B5;
}

.thinking-icon {
  margin-left: auto;
  font-size: 20px;
  color: #3F51B5;
  transition: transform 0.3s ease;
}

.thinking-content {
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.6;
  color: #37474F;
  background-color: #F8F9FA;
  max-height: 400px;
  overflow-y: auto;
  transition: max-height 0.3s ease, padding 0.3s ease;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.thinking-content.collapsed {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  overflow: hidden;
}

.thinking-content::-webkit-scrollbar {
  width: 6px;
}

.thinking-content::-webkit-scrollbar-track {
  background: #E8EAF6;
  border-radius: 3px;
}

.thinking-content::-webkit-scrollbar-thumb {
  background: #9FA8DA;
  border-radius: 3px;
}

.thinking-content::-webkit-scrollbar-thumb:hover {
  background: #7986CB;
}

/* Thinking content typography */
.thinking-content br {
  display: block;
  margin: 4px 0;
}

.thinking-content code {
  background-color: #E3F2FD;
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 13px;
}