/* Global cursor behavior:
 * - Default: arrow cursor everywhere
 * - Text cursor: only on real editable areas (input/textarea/contenteditable)
 * - Pointer: on clickable elements
 * - Selection: disabled by default, re-enabled only where needed
 */
body,
body * {
    cursor: default;
    -webkit-user-select: text;
    user-select: text;
    caret-color: transparent;
}

input,
textarea,
[contenteditable="true"] {
    cursor: text;
    -webkit-user-select: text;
    user-select: text;
    caret-color: auto;
}

/* Areas where text selection is allowed but content is not editable */
#chat-stream,
#network-list,
#detail-json,
pre,
code,
.selectable,
.message-content,
.markdown-body,
.reasoning-content {
    -webkit-user-select: text;
    user-select: text;
}

button,
a,
[role="button"],
.cursor-pointer {
    cursor: pointer;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* Syntax Highlighting */
.json-key { color: #e11d48; }
.json-string { color: #16a34a; }
.json-number { color: #2563eb; }
.json-boolean { color: #7c3aed; }
.json-null { color: #9ca3af; }

/* Settings Mode */
body.settings-mode #chat-stream,
body.settings-mode #input-area {
    display: none;
}

body.settings-mode #settings-view {
    display: flex;
}

/* Input Area Transitions */
#input-area {
    transition: transform var(--ido-transition-base), opacity var(--ido-transition-base), max-height var(--ido-transition-base);
    transform-origin: bottom;
}

/* Hidden state for input area when certain modes want to hide it without changing layout logic */
#input-area.ido-input-area--hidden {
    transform: translateY(20px);
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    pointer-events: none;
}
/* Resizer Handles */
.resizer {
    width: 4px;
    cursor: col-resize;
    background-color: transparent;
    transition: background-color 0.2s;
    z-index: 50;
    flex-shrink: 0;
}
.resizer:hover, .resizer.active {
    background-color: #3b82f6; /* Blue-500 */
}

/* Transitions */
/* We only apply transitions when NOT dragging to ensure smooth toggling */
.transition-width {
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Prevent text selection during drag */
body.is-resizing {
    user-select: none;
    cursor: col-resize;
}

/* Mobile Overlay behavior for Left Panel */
@media (max-width: 768px) {
    #left-panel {
        position: absolute;
        height: 100%;
        z-index: 40;
        box-shadow: 4px 0 24px rgba(0,0,0,0.1);
    }
    #right-panel {
        position: absolute;
        right: 0;
        height: 100%;
        z-index: 40;
        box-shadow: -4px 0 24px rgba(0,0,0,0.1);
    }
    /* Hide resizers on mobile */
    .resizer { display: none; }
}

/* Bottom Sheet (Drawer) Transitions */
#bottom-sheet-backdrop {
    z-index: 50;
    opacity: 0;
    transition: opacity var(--ido-transition-base);
}

#bottom-sheet-backdrop.ido-bottom-sheet-backdrop--visible {
    opacity: 1;
}

#bottom-sheet {
    z-index: 51;
    transform: translateY(100%);
    transition: transform var(--ido-transition-base);
}

#bottom-sheet.ido-bottom-sheet--visible {
    transform: translateY(0);
}

/* Default bottom sheet content height */
#bottom-sheet-content {
    height: 80vh;
}

/* ========================================
   Panel Transition Animations
   ======================================== */

/* 面板内容切换动画 - 使用 transform 和 opacity 避免 reflow */
.panel-transition-exit {
    animation: panelExit 200ms cubic-bezier(0.4, 0, 1, 1) forwards;
}

.panel-transition-enter {
    animation: panelEnter 250ms cubic-bezier(0, 0, 0.2, 1) forwards;
}

@keyframes panelExit {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(-20px);
    }
}

@keyframes panelEnter {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 为动画容器添加性能优化提示 */
.panel-transition-container {
    will-change: transform, opacity;
    /* 确保容器在动画期间保持固定尺寸，避免影响父容器布局 */
    position: relative;
    width: 100%;
    height: 100%;
}

/* 尊重用户的减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    .panel-transition-exit,
    .panel-transition-enter {
        animation: none !important;
    }
    
    .panel-transition-exit {
        opacity: 0;
    }
    
    .panel-transition-enter {
        opacity: 1;
    }
}

/* Reasoning / Chain of Thought Styles */
.reasoning-block {
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    line-height: 1.5;
}

.reasoning-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
    color: #64748b; /* slate-500 */
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    background-color: #f1f5f9; /* slate-100 */
    border-radius: 0.375rem;
    transition: background-color 0.2s;
    user-select: none;
}

.reasoning-toggle:hover {
    background-color: #e2e8f0; /* slate-200 */
    color: #475569; /* slate-600 */
}

.reasoning-content {
    margin-top: 0.5rem;
    padding: 0.75rem;
    background-color: #f8fafc; /* slate-50 */
    border: 1px solid #e2e8f0; /* slate-200 */
    border-radius: 0.5rem;
    color: #475569; /* slate-600 */
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    white-space: pre-wrap;
    display: none; /* Hidden by default, toggled by JS */
}

.reasoning-content.open {
    display: block;
    animation: fadeIn 0.2s ease-out;
}

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

/* ========================================
   Markdown Styles
   ======================================== */

.markdown-body {
    font-size: 0.95rem;
    line-height: 1.6;
    color: inherit;
}

.markdown-body > *:first-child {
    margin-top: 0 !important;
}

.markdown-body > *:last-child {
    margin-bottom: 0 !important;
}

/* Headings */
.markdown-body h1, .markdown-body h2, .markdown-body h3, 
.markdown-body h4, .markdown-body h5, .markdown-body h6 {
    font-weight: 600;
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    line-height: 1.25;
}

.markdown-body h1 { font-size: 1.5em; border-bottom: 1px solid #e5e7eb; padding-bottom: 0.3em; }
.markdown-body h2 { font-size: 1.3em; border-bottom: 1px solid #e5e7eb; padding-bottom: 0.3em; }
.markdown-body h3 { font-size: 1.15em; }
.markdown-body h4 { font-size: 1em; }
.markdown-body h5 { font-size: 0.9em; }
.markdown-body h6 { font-size: 0.85em; color: #6b7280; }

/* Paragraphs */
.markdown-body p {
    margin-top: 0;
    margin-bottom: 0.2em;
}

/* Lists */
.markdown-body ul, .markdown-body ol {
    margin-top: 0;
    margin-bottom: 0.75em;
    padding-left: 2em;
}

.markdown-body li {
    margin-bottom: 0.25em;
}

.markdown-body li > p {
    margin-bottom: 0.5em;
}

/* Code */
.markdown-body code {
    background-color: rgba(175, 184, 193, 0.2);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.85em;
}

.markdown-body pre {
    background-color: #f6f8fa;
    border-radius: 6px;
    padding: 1em;
    overflow-x: auto;
    margin-top: 0;
    margin-bottom: 0.75em;
}

.markdown-body pre code {
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    font-size: 0.9em;
    line-height: 1.45;
}

/* Blockquotes */
.markdown-body blockquote {
    margin: 0 0 0.75em 0;
    padding: 0 1em;
    color: #6b7280;
    border-left: 0.25em solid #d1d5db;
}

.markdown-body blockquote > :first-child {
    margin-top: 0;
}

.markdown-body blockquote > :last-child {
    margin-bottom: 0;
}

/* Links */
.markdown-body a {
    color: #3b82f6;
    text-decoration: none;
}

.markdown-body a:hover {
    text-decoration: underline;
}

/* Horizontal Rule */
.markdown-body hr {
    height: 0.25em;
    padding: 0;
    margin: 1.5em 0;
    background-color: #e5e7eb;
    border: 0;
}

/* Tables */
.markdown-body table {
    border-collapse: collapse;
    border-spacing: 0;
    margin-top: 0;
    margin-bottom: 0.75em;
    width: 100%;
}

.markdown-body table th,
.markdown-body table td {
    padding: 6px 13px;
    border: 1px solid #d1d5db;
}

.markdown-body table th {
    font-weight: 600;
    background-color: #f9fafb;
}

.markdown-body table tr {
    background-color: #fff;
    border-top: 1px solid #d1d5db;
}

.markdown-body table tr:nth-child(2n) {
    background-color: #f9fafb;
}

/* Images */
.markdown-body img {
    max-width: 100%;
    box-sizing: content-box;
    background-color: #fff;
}

/* Task Lists */
.markdown-body input[type="checkbox"] {
    margin-right: 0.5em;
}

/* Strong and Emphasis */
.markdown-body strong {
    font-weight: 600;
}

.markdown-body em {
    font-style: italic;
}

/* Strikethrough */
.markdown-body del {
    text-decoration: line-through;
}

/* Reasoning content also gets markdown styling */
.reasoning-content.markdown-body {
    font-size: 0.875rem;
}

/* ========================================
   IdoFront CSS Class System
   ======================================== */

/* ========================================
   Design Tokens (CSS Variables)
   ======================================== */
:root {
    /* Colors - Primary */
    --ido-color-primary: #3b82f6;
    --ido-color-primary-hover: #2563eb;
    --ido-color-primary-active: #1d4ed8;
    
    /* Colors - Secondary */
    --ido-color-secondary: #6b7280;
    --ido-color-secondary-hover: #4b5563;
    
    /* Colors - Semantic */
    --ido-color-success: #10b981;
    --ido-color-success-hover: #059669;
    --ido-color-warning: #f59e0b;
    --ido-color-warning-hover: #d97706;
    --ido-color-danger: #ef4444;
    --ido-color-danger-hover: #dc2626;
    --ido-color-info: #06b6d4;
    --ido-color-info-hover: #0891b2;
    
    /* Colors - Background */
    --ido-color-bg-primary: #ffffff;
    --ido-color-bg-secondary: #f9fafb;
    --ido-color-bg-tertiary: #f3f4f6;
    --ido-color-bg-hover: #f3f4f6;
    --ido-color-bg-active: #e5e7eb;
    
    /* Colors - Text */
    --ido-color-text-primary: #111827;
    --ido-color-text-secondary: #6b7280;
    --ido-color-text-tertiary: #9ca3af;
    --ido-color-text-disabled: #d1d5db;
    
    /* Colors - Border */
    --ido-color-border: #e5e7eb;
    --ido-color-border-hover: #d1d5db;
    --ido-color-border-focus: #3b82f6;
    
    /* Spacing */
    --ido-spacing-xs: 0.25rem;   /* 4px */
    --ido-spacing-sm: 0.5rem;    /* 8px */
    --ido-spacing-md: 0.75rem;   /* 12px */
    --ido-spacing-lg: 1rem;      /* 16px */
    --ido-spacing-xl: 1.5rem;    /* 24px */
    --ido-spacing-2xl: 2rem;     /* 32px */
    
    /* Border Radius */
    --ido-radius-sm: 0.375rem;   /* 6px */
    --ido-radius-md: 0.5rem;     /* 8px */
    --ido-radius-lg: 0.75rem;    /* 12px */
    --ido-radius-xl: 1rem;       /* 16px */
    --ido-radius-2xl: 1.5rem;    /* 24px */
    --ido-radius-full: 9999px;
    
    /* Shadows */
    --ido-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --ido-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --ido-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --ido-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --ido-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --ido-transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --ido-transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark theme overrides are injected by the builtin theme plugin via <style> to keep core CSS neutral. */


/* ========================================
   Button System
   ======================================== */

/* Base Button */
.ido-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--ido-spacing-sm);
    padding: var(--ido-spacing-sm) var(--ido-spacing-lg);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
    border-radius: var(--ido-radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--ido-transition-base);
    user-select: none;
    white-space: nowrap;
}

.ido-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Button Variants */
.ido-btn--primary {
    background-color: var(--ido-color-primary);
    color: white;
}

.ido-btn--primary:hover:not(:disabled) {
    background-color: var(--ido-color-primary-hover);
}

.ido-btn--primary:active:not(:disabled) {
    background-color: var(--ido-color-primary-active);
}

.ido-btn--secondary {
    background-color: var(--ido-color-bg-secondary);
    color: var(--ido-color-text-primary);
    border-color: var(--ido-color-border);
}

.ido-btn--secondary:hover:not(:disabled) {
    background-color: var(--ido-color-bg-hover);
    border-color: var(--ido-color-border-hover);
}

.ido-btn--ghost {
    background-color: transparent;
    color: var(--ido-color-text-secondary);
}

.ido-btn--ghost:hover:not(:disabled) {
    background-color: var(--ido-color-bg-hover);
    color: var(--ido-color-text-primary);
}

.ido-btn--danger {
    background-color: var(--ido-color-danger);
    color: white;
}

.ido-btn--danger:hover:not(:disabled) {
    background-color: var(--ido-color-danger-hover);
}

/* Button Sizes */
.ido-btn--sm {
    padding: var(--ido-spacing-xs) var(--ido-spacing-md);
    font-size: 0.75rem;
}

.ido-btn--md {
    padding: var(--ido-spacing-sm) var(--ido-spacing-lg);
    font-size: 0.875rem;
}

.ido-btn--lg {
    padding: var(--ido-spacing-md) var(--ido-spacing-xl);
    font-size: 1rem;
}

/* Icon Button */
.ido-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--ido-spacing-sm);
    border-radius: var(--ido-radius-md);
    color: var(--ido-color-text-secondary);
    background-color: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--ido-transition-base);
}

.ido-icon-btn:hover {
    background-color: var(--ido-color-bg-hover);
    color: var(--ido-color-primary);
}

.ido-icon-btn--active {
    background-color: var(--ido-color-bg-active);
    color: var(--ido-color-primary);
}

/* ========================================
   Panel System
   ======================================== */

.ido-panel {
    display: flex;
    flex-direction: column;
    background-color: var(--ido-color-bg-primary);
    border-radius: var(--ido-radius-lg);
    overflow: hidden;
}

.ido-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--ido-spacing-md) var(--ido-spacing-lg);
    border-bottom: 1px solid var(--ido-color-border);
    background-color: var(--ido-color-bg-primary);
    flex-shrink: 0;
}

.ido-panel__title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ido-color-text-primary);
}

.ido-panel__actions {
    display: flex;
    align-items: center;
    gap: var(--ido-spacing-sm);
}

.ido-panel__content {
    flex: 1;
    overflow-y: auto;
    padding: var(--ido-spacing-lg);
}

.ido-panel__footer {
    padding: var(--ido-spacing-md) var(--ido-spacing-lg);
    border-top: 1px solid var(--ido-color-border);
    background-color: var(--ido-color-bg-secondary);
    flex-shrink: 0;
}

/* ========================================
   Card System
   ======================================== */

.ido-card {
    background-color: var(--ido-color-bg-primary);
    border: 1px solid var(--ido-color-border);
    border-radius: var(--ido-radius-lg);
    padding: var(--ido-spacing-md);
    transition: all var(--ido-transition-base);
}

.ido-card--compact {
    padding: var(--ido-spacing-sm);
}

.ido-card--hover:hover {
    border-color: var(--ido-color-primary);
    box-shadow: var(--ido-shadow-md);
}

.ido-card--selected {
    border-color: var(--ido-color-primary);
    background-color: #eff6ff;
}

.ido-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--ido-spacing-sm);
}

.ido-card__body {
    color: var(--ido-color-text-secondary);
    font-size: 0.875rem;
}

.ido-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--ido-spacing-sm);
    padding-top: var(--ido-spacing-sm);
    border-top: 1px solid var(--ido-color-border);
}

/* ========================================
   Form System
   ======================================== */

.ido-form-group {
    margin-bottom: var(--ido-spacing-lg);
}

.ido-form-label {
    display: block;
    margin-bottom: var(--ido-spacing-xs);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ido-color-text-primary);
}

.ido-form-input,
.ido-form-textarea,
.ido-form-select {
    width: 100%;
    padding: var(--ido-spacing-sm) var(--ido-spacing-md);
    font-size: 0.875rem;
    color: var(--ido-color-text-primary);
    background-color: var(--ido-color-bg-primary);
    border: 1px solid var(--ido-color-border);
    border-radius: var(--ido-radius-md);
    transition: all var(--ido-transition-base);
}

.ido-form-input:focus,
.ido-form-textarea:focus,
.ido-form-select:focus {
    outline: none;
    border-color: var(--ido-color-border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.ido-form-textarea {
    resize: vertical;
    min-height: 80px;
}

/* Form Switch */
.ido-form-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.ido-form-switch__input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.ido-form-switch__slider {
    position: relative;
    width: 2.25rem;
    height: 1.25rem;
    background-color: var(--ido-color-bg-active);
    border-radius: var(--ido-radius-full);
    transition: background-color var(--ido-transition-base);
}

.ido-form-switch__slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 1rem;
    height: 1rem;
    background-color: white;
    border-radius: var(--ido-radius-full);
    transition: transform var(--ido-transition-base);
}

.ido-form-switch__input:checked + .ido-form-switch__slider {
    background-color: var(--ido-color-primary);
}

.ido-form-switch__input:checked + .ido-form-switch__slider::after {
    transform: translateX(1rem);
}

/* ========================================
   Badge System
   ======================================== */

.ido-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    font-size: 0.625rem;
    font-weight: 500;
    border-radius: var(--ido-radius-full);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.ido-badge--primary {
    background-color: #dbeafe;
    color: #1e40af;
}

.ido-badge--success {
    background-color: #d1fae5;
    color: #065f46;
}

.ido-badge--warning {
    background-color: #fef3c7;
    color: #92400e;
}

.ido-badge--danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.ido-badge--info {
    background-color: #cffafe;
    color: #155e75;
}

.ido-badge--secondary {
    background-color: var(--ido-color-bg-tertiary);
    color: var(--ido-color-text-secondary);
}

/* ========================================
   List System
   ======================================== */

.ido-list {
    display: flex;
    flex-direction: column;
    gap: var(--ido-spacing-xs);
}

.ido-list__item {
    padding: var(--ido-spacing-sm) var(--ido-spacing-md);
    border-radius: var(--ido-radius-md);
    transition: all var(--ido-transition-base);
    cursor: pointer;
}

.ido-list__item:hover {
    background-color: var(--ido-color-bg-hover);
}

.ido-list__item--active {
    background-color: #eff6ff;
    color: var(--ido-color-primary);
    font-weight: 500;
}

/* ========================================
   Message System
   ======================================== */

.ido-message {
    display: flex;
    width: 100%;
    margin-bottom: var(--ido-spacing-lg);
}

.ido-message--user {
    justify-content: flex-end;
}

.ido-message--ai {
    justify-content: flex-start;
}

/* 气泡容器：承载单条消息内部的内容（文本、思维链、footer 等） */
.ido-message__container {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    align-items: stretch;
}

/* 加载指示器等特殊气泡使用的容器 */
.ido-message__container--loading {
    display: flex;
    flex-direction: column;
    max-width: 85%;
    align-items: flex-start;
}

.ido-message__avatar {
    width: 2rem;
    height: 2rem;
    border-radius: var(--ido-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
    box-shadow: var(--ido-shadow-sm);
}

.ido-message--user .ido-message__avatar {
    background-color: #dbeafe;
    color: #1e40af;
    margin-left: var(--ido-spacing-sm);
    order: 2;
}

.ido-message--ai .ido-message__avatar {
    background-color: #d1fae5;
    color: #065f46;
    margin-right: var(--ido-spacing-sm);
}

.ido-message__bubble {
    padding: var(--ido-spacing-md) var(--ido-spacing-lg);
    border-radius: var(--ido-radius-2xl);
    box-shadow: var(--ido-shadow-sm);
    font-size: 0.875rem;
    line-height: 1.5;
    /* 防止长文本/URL撑破气泡 */
    max-width: 95%;
    min-width: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
}

/* 更紧凑的气泡宽度（由 JS 通过 class 控制，而不是内联样式） */
.ido-message__bubble--compact {
    max-width: 85%;
}

.ido-message--user .ido-message__bubble {
    background-color: var(--ido-color-primary);
    color: white;
    border-bottom-right-radius: var(--ido-spacing-xs);
    align-self: flex-end;
}

.ido-message--user .message-content {
    white-space: pre-wrap;
}

.ido-message--ai .ido-message__bubble {
    background-color: var(--ido-color-bg-primary);
    border: 1px solid var(--ido-color-border);
    color: var(--ido-color-text-primary);
    border-bottom-left-radius: var(--ido-spacing-xs);
    align-self: flex-start;
}

/* 移动端优化：气泡占据更多空间 */
@media (max-width: 768px) {
    .ido-message__bubble {
        max-width: 90%;
    }
}

.ido-message__footer {
    display: flex;
    gap: var(--ido-spacing-sm);
    margin-top: var(--ido-spacing-xs);
    padding: 0 var(--ido-spacing-xs);
    opacity: 0;
    transition: opacity var(--ido-transition-base);
}

.ido-message--user .ido-message__footer {
    justify-content: flex-end;
}

.ido-message:hover .ido-message__footer {
    opacity: 1;
}

/* ========================================
   Utility Classes
   ======================================== */

.ido-divider {
    height: 1px;
    background-color: var(--ido-color-border);
    margin: var(--ido-spacing-lg) 0;
}

.ido-divider--vertical {
    width: 1px;
    height: 1rem;
    background-color: var(--ido-color-border);
    margin: 0 var(--ido-spacing-sm);
}

.ido-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--ido-spacing-2xl);
    color: var(--ido-color-text-tertiary);
    text-align: center;
}

.ido-status-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: var(--ido-radius-full);
    background-color: var(--ido-color-bg-active);
}

.ido-status-dot--active {
    background-color: var(--ido-color-success);
}

.ido-status-dot--inactive {
    background-color: var(--ido-color-text-tertiary);
}

.ido-status-dot--error {
    background-color: var(--ido-color-danger);
}

.ido-status-dot--warning {
    background-color: var(--ido-color-warning);
}

/* ========================================
   Header System
   ======================================== */

.ido-header {
    height: 3rem;
    border-bottom: 1px solid var(--ido-color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--ido-spacing-lg);
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    flex-shrink: 0;
}

.ido-header__left {
    display: flex;
    align-items: center;
    gap: var(--ido-spacing-sm);
    flex-shrink: 0; /* 防止左侧按钮被压缩 */
}

.ido-header__right {
    display: flex;
    align-items: center;
    gap: var(--ido-spacing-sm);
    flex-shrink: 0; /* 防止右侧按钮被压缩 */
}

.ido-header__center {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0; /* 允许 flex 子元素缩小 */
    overflow: hidden; /* 隐藏溢出内容 */
}

.ido-header__title {
    font-weight: 500;
    color: var(--ido-color-text-primary);
    truncate: true;
}

.ido-header__subtitle {
    font-size: 0.625rem;
    color: var(--ido-color-text-tertiary);
    truncate: true;
}

/* ========================================
   Sidebar System
   ======================================== */

.ido-sidebar {
    display: flex;
    flex-direction: column;
    background-color: var(--ido-color-bg-primary);
    border-right: 1px solid var(--ido-color-border);
    overflow: hidden;
}

.ido-sidebar__header {
    height: 3rem;
    border-bottom: 1px solid var(--ido-color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--ido-spacing-md);
    flex-shrink: 0;
}

.ido-sidebar__content {
    flex: 1;
    overflow-y: auto;
    padding: var(--ido-spacing-sm);
}

.ido-sidebar__footer {
    padding: var(--ido-spacing-md);
    border-top: 1px solid var(--ido-color-border);
    background-color: var(--ido-color-bg-secondary);
    flex-shrink: 0;
}

/* ========================================
   Action Group
   ======================================== */

.ido-action-group {
    display: flex;
    align-items: center;
    gap: var(--ido-spacing-xs);
    opacity: 0;
    transition: opacity var(--ido-transition-base);
}

.ido-card:hover .ido-action-group,
.ido-list__item:hover .ido-action-group {
    opacity: 1;
}

/* ========================================
   Loading Indicator (Typing Dots)
   ======================================== */

.ido-loading-dots {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0;
}

.ido-loading-dots__dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: currentColor;
    opacity: 0.4;
    animation: loadingDotPulse 1.4s infinite ease-in-out;
}

.ido-loading-dots__dot:nth-child(1) {
    animation-delay: 0s;
}

.ido-loading-dots__dot:nth-child(2) {
    animation-delay: 0.2s;
}

.ido-loading-dots__dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes loadingDotPulse {
    0%, 60%, 100% {
        opacity: 0.4;
        transform: translateY(0);
    }
    30% {
        opacity: 1;
        transform: translateY(-0.5rem);
    }
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .ido-loading-dots__dot {
        animation: loadingDotFade 1.4s infinite ease-in-out;
    }
    
    @keyframes loadingDotFade {
        0%, 60%, 100% {
            opacity: 0.4;
        }
        30% {
            opacity: 1;
        }
    }
}

/* ========================================
   Message Streaming Indicator
   ======================================== */

.message-streaming-indicator {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--ido-color-border);
}

/* ========================================
   Channel Settings - Mobile Optimization
   ======================================== */

/* 移动端隐藏渠道状态文字，仅保留切换开关和颜色区分 */
@media (max-width: 768px) {
    .channel-status-text {
        display: none !important;
    }
}

/* ========================================
   Message Edit Styles - New Design
   ======================================== */

/* 新版编辑容器 */
.message-edit-container-new {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: var(--ido-spacing-sm);
    row-gap: var(--ido-spacing-sm);
    width: 100%;
    margin-top: var(--ido-spacing-sm);
}

/* 输入框包装器 - 整行圆角设计 */
.message-edit-input-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    background-color: var(--ido-color-bg-primary);
    border: 2px solid var(--ido-color-primary);
    border-radius: var(--ido-radius-2xl);
    padding: var(--ido-spacing-md);
    transition: all var(--ido-transition-base);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
    grid-column: 1 / -1; /* 在网格中占满整行 */
}

.message-edit-input-wrapper:focus-within {
    border-color: var(--ido-color-primary-hover);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.25);
}

/* 输入框 */
.message-edit-input {
    flex: 1;
    min-height: 40px;
    max-height: 60vh; /* 允许长文本占据更多高度，由 JS 自动高度控制，最多占视口 60% 高度 */
    padding: 0;
    font-size: 0.9375rem;
    font-family: inherit;
    line-height: 1.6;
    color: var(--ido-color-text-primary);
    background-color: transparent;
    border: none;
    resize: none;
    outline: none;
    overflow-y: auto;
}

.message-edit-input::placeholder {
    color: var(--ido-color-text-tertiary);
}

/* 按钮组（位于下方同一行右侧） */
.message-edit-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--ido-spacing-sm);
    flex-shrink: 0;
    /* 默认放在右侧第二列，与附件同一行 */
    grid-column: 2 / 3;
}

/* Icon按钮 */
.message-edit-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border: none;
    border-radius: var(--ido-radius-full);
    cursor: pointer;
    transition: all var(--ido-transition-base);
    flex-shrink: 0;
}

.message-edit-icon-btn .material-symbols-outlined {
    font-size: 1.25rem;
}

/* 取消按钮 */
.message-edit-icon-btn--cancel {
    background-color: var(--ido-color-bg-hover);
    color: var(--ido-color-text-secondary);
}

/* User Bubble: Cancel Button */
.ido-message--user .message-edit-icon-btn--cancel {
    background-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
}

.message-edit-icon-btn--cancel:hover {
    background-color: var(--ido-color-bg-active);
    color: var(--ido-color-danger);
    transform: scale(1.05);
}

.ido-message--user .message-edit-icon-btn--cancel:hover {
    background-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}

/* 发送按钮 */
.message-edit-icon-btn--send {
    background: linear-gradient(135deg, var(--ido-color-primary) 0%, var(--ido-color-primary-hover) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

/* User Bubble: Send Button (White bg, Blue icon) */
.ido-message--user .message-edit-icon-btn--send {
    background: white;
    color: var(--ido-color-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.message-edit-icon-btn--send:hover {
    background: linear-gradient(135deg, var(--ido-color-primary-hover) 0%, var(--ido-color-primary-active) 100%);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    transform: scale(1.05);
}

.ido-message--user .message-edit-icon-btn--send:hover {
    background: #f8fafc;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.message-edit-icon-btn--send:active {
    transform: scale(0.95);
}

/* 附件管理区域（与发送/取消同一行，贴近输入框底部） */
.message-edit-attachments {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--ido-spacing-sm);
    /* 默认放在左侧第一列，与按钮同一行 */
    grid-column: 1 / 2;
}

.message-edit-attachment-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ido-spacing-sm);
}

/* 附件预览项 */
.message-edit-attachment-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--ido-spacing-xs);
    padding: var(--ido-spacing-xs) var(--ido-spacing-sm);
    background-color: var(--ido-color-bg-secondary);
    border: 1px solid var(--ido-color-border);
    border-radius: var(--ido-radius-lg);
    max-width: 200px;
    transition: all var(--ido-transition-base);
}

.message-edit-attachment-item:hover {
    border-color: var(--ido-color-primary);
    box-shadow: var(--ido-shadow-sm);
}

.message-edit-attachment-item img {
    width: 3rem;
    height: 3rem;
    object-fit: cover;
    border-radius: var(--ido-radius-md);
    flex-shrink: 0;
}

.message-edit-attachment-item .material-symbols-outlined {
    font-size: 2rem;
    color: var(--ido-color-text-secondary);
    flex-shrink: 0;
}

.message-edit-attachment-item .attachment-name {
    flex: 1;
    font-size: 0.75rem;
    color: var(--ido-color-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 附件删除按钮 */
.attachment-remove-btn {
    position: absolute;
    top: -0.375rem;
    right: -0.375rem;
    width: 1.25rem;
    height: 1.25rem;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--ido-color-danger);
    color: white;
    border: 2px solid white;
    border-radius: var(--ido-radius-full);
    cursor: pointer;
    opacity: 0;
    transition: all var(--ido-transition-base);
    box-shadow: var(--ido-shadow-sm);
}

.message-edit-attachment-item:hover .attachment-remove-btn {
    opacity: 1;
}

.attachment-remove-btn:hover {
    background-color: var(--ido-color-danger-hover);
    transform: scale(1.1);
}

.attachment-remove-btn .material-symbols-outlined {
    font-size: 0.875rem;
}

/* 添加附件按钮 */
.message-edit-add-attachment {
    display: inline-flex;
    align-items: center;
    gap: var(--ido-spacing-xs);
    padding: var(--ido-spacing-xs) var(--ido-spacing-md);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ido-color-primary);
    background-color: transparent;
    border: 1px dashed var(--ido-color-primary);
    border-radius: var(--ido-radius-lg);
    cursor: pointer;
    transition: all var(--ido-transition-base);
}

.message-edit-add-attachment:hover {
    background-color: rgba(59, 130, 246, 0.05);
    border-style: solid;
}

/* User Bubble: Add Attachment Button (White text/border) */
.ido-message--user .message-edit-add-attachment {
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.6);
}

.ido-message--user .message-edit-add-attachment:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.message-edit-add-attachment .material-symbols-outlined {
    font-size: 1rem;
}

/* 编辑模式下，统一控制消息布局 */
.ido-message:has(.message-editing-new) {
    width: 100% !important;
    max-width: 100% !important;
    justify-content: flex-start !important;
    align-items: flex-start !important;
    gap: var(--ido-spacing-sm);
}

.ido-message:has(.message-editing-new) > .ido-message__avatar {
    width: 2.5rem;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ido-message--user:has(.message-editing-new) {
    justify-content: flex-start !important;
}

.ido-message:has(.message-editing-new) .message-edit-shell {
    flex: 1;
    min-width: 0;
    width: calc(100% - 3rem);
    max-width: calc(100% - 3rem);
}

@media (max-width: 768px) {
    .ido-message:has(.message-editing-new) {
        flex-direction: column;
    }
    
    /* 仅让编辑外壳占满宽度，头像保持固定圆形尺寸，避免在移动端被拉伸 */
    .ido-message:has(.message-editing-new) .message-edit-shell {
        width: 100%;
        max-width: 100%;
    }
    
    .ido-message:has(.message-editing-new) > .ido-message__avatar {
        order: -1;
        justify-content: flex-start;
        margin-bottom: var(--ido-spacing-sm);
    }
}

/* 气泡本身也占满，并移除原有样式以适应输入框设计 */
.ido-message__bubble.message-editing-new {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 !important;
    background-color: transparent !important;
    box-shadow: none !important;
    border: none !important;
    display: block !important; /* 确保块级显示 */
}

/* 编辑模式下隐藏气泡内原始图片附件（上方预览），仅保留下方可编辑缩略图 */
.ido-message__bubble.message-editing-new .flex.gap-2.flex-wrap.mb-2 {
    display: none !important;
}

/* 编辑模式下的取消按钮：统一高对比度样式，避免在不同气泡背景下不可见 */
.ido-message:has(.message-editing-new) .message-edit-icon-btn--cancel {
    background-color: var(--ido-color-bg-hover);
    color: var(--ido-color-text-secondary);
}

.ido-message:has(.message-editing-new) .message-edit-icon-btn--cancel:hover {
    background-color: var(--ido-color-bg-active);
    color: var(--ido-color-danger);
}

/* 编辑模式下隐藏消息 footer 操作区，避免误触其他操作 */
.ido-message:has(.message-editing-new) .ido-message__footer {
    display: none !important;
}

/* 编辑模式下统一附件按钮样式，避免在浅色背景下变成白色不可见 */
.ido-message:has(.message-editing-new) .message-edit-add-attachment {
    color: var(--ido-color-primary);
    border-color: var(--ido-color-primary);
    background-color: transparent;
}

/* 强制覆盖 User 气泡的背景色 */
.ido-message--user .ido-message__bubble.message-editing-new {
    background-color: transparent !important;
    color: inherit !important;
    border-bottom-right-radius: 0 !important; /* 移除圆角 */
}

/* 确保输入框容器占满 */
.message-edit-container-new {
    width: 100% !important;
    max-width: 100% !important;
}

@media (max-width: 768px) {
    .message-edit-input-wrapper {
        padding: var(--ido-spacing-sm);
    }
    
    .message-edit-attachment-item {
        max-width: 100%;
    }

    /* 移动端下改为单列堆叠，避免附件和按钮在一行过于拥挤 */
    .message-edit-container-new {
        grid-template-columns: minmax(0, 1fr);
    }
    .message-edit-attachments {
        grid-column: 1 / -1;
    }
    .message-edit-actions {
        grid-column: 1 / -1;
        justify-content: flex-end;
    }
}

/* 动画效果 */
@keyframes editSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-edit-container-new {
    animation: editSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 尊重用户的减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    .message-edit-container-new {
        animation: none;
    }
    
    .message-edit-icon-btn:hover,
    .message-edit-icon-btn--send:hover,
    .attachment-remove-btn:hover {
        transform: none;
    }
}

/* ========================================
   Legacy Message Edit Styles (保留兼容)
   ======================================== */

.message-edit-container {
    display: flex;
    flex-direction: column;
    gap: var(--ido-spacing-sm);
    width: 100%;
    margin-top: var(--ido-spacing-sm);
}

.message-edit-textarea {
    width: 100%;
    min-height: 80px;
    max-height: 400px;
    padding: var(--ido-spacing-sm) var(--ido-spacing-md);
    font-size: 0.875rem;
    font-family: inherit;
    line-height: 1.5;
    color: var(--ido-color-text-primary);
    background-color: var(--ido-color-bg-primary);
    border: 2px solid var(--ido-color-primary);
    border-radius: var(--ido-radius-md);
    resize: vertical;
    transition: all var(--ido-transition-base);
    box-sizing: border-box;
}

.ido-message__bubble.message-editing {
    width: 100% !important;
    max-width: none !important;
}

.ido-message:has(.message-editing) > div {
    max-width:100% !important;
}

.message-edit-textarea:focus {
    outline: none;
    border-color: var(--ido-color-primary-hover);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.message-edit-buttons {
    display: flex;
    gap: var(--ido-spacing-sm);
    justify-content: flex-end;
}

@media (max-width: 768px) {
    .message-edit-buttons {
        flex-direction: column;
    }
    
    .message-edit-buttons .ido-btn {
        width: 100%;
        justify-content: center;
    }
}