/* =============================================
   装饰建议 - decoration_advice_helper.css
   三栏布局：历史 | 参数输入 | 建议结果
   主题：温暖木质感 / 家居装饰
   ============================================= */

/* ========== CSS 变量 ========== */
:root {
    --da-brown:         #8B5E3C;
    --da-brown-mid:     #A0714F;
    --da-brown-light:   #C49A6C;
    --da-brown-pale:    #EDD5B3;
    --da-warm-bg:       #FBF5EC;
    --da-warm-bg2:      #F5EAD7;
    --da-cream:         #FFF8EE;
    --da-border:        #E8D5B7;
    --da-text:          #3D2B1F;
    --da-text-sub:      #6B4C35;
    --da-text-muted:    #B08060;
    --da-shadow:        rgba(139, 94, 60, 0.18);
    --da-green:         #5D8233;
    --da-green-light:   #7AA846;
    --da-gold:          #C8830A;
    --da-gold-light:    #E9A422;
    --da-panel-bg:      #FFFCF7;
    --da-toolbar-grad:  linear-gradient(135deg, #5C3D2E 0%, #8B5E3C 50%, #C49A6C 100%);
}

/* ========== 主容器 ========== */
.da-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 200px);
    min-height: 600px;
    background: var(--da-warm-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 16px var(--da-shadow);
    transition: all 0.3s ease;
    position: relative;
}

/* 全屏模式 */
.da-container.fullscreen {
    position: fixed;
    top: 0; left: 0;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 9999;
    border-radius: 0;
    margin: 0;
    min-height: unset;
}

/* ========== 顶部工具栏 ========== */
.da-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 14px;
    min-height: 40px;
    background: var(--da-toolbar-grad);
    color: #fff;
    flex-wrap: wrap;
    gap: 6px;
    box-shadow: 0 2px 10px rgba(92, 61, 46, 0.5);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

/* 工具栏木纹装饰 */
.da-toolbar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 40px,
        rgba(255,255,255,0.04) 40px,
        rgba(255,255,255,0.04) 41px
    );
    pointer-events: none;
}

.da-toolbar .toolbar-group {
    display: flex;
    gap: 5px;
    align-items: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.da-toolbar .toolbar-title {
    font-size: 13px;
    font-weight: 600;
    color: rgba(255,255,255,0.95);
    letter-spacing: 0.5px;
    margin-right: 4px;
}

.da-toolbar .toolbar-btn {
    padding: 4px 10px;
    background: rgba(255,255,255,0.88);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    color: var(--da-brown);
    transition: all 0.2s;
    white-space: nowrap;
    line-height: 1.5;
}

.da-toolbar .toolbar-btn:hover:not(:disabled) {
    background: #fff;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0,0,0,0.2);
}

.da-toolbar .toolbar-btn:disabled {
    opacity: 0.42;
    cursor: not-allowed;
}

/* 主操作按钮 */
.da-toolbar .toolbar-btn-primary {
    background: linear-gradient(135deg, var(--da-gold) 0%, #A0520A 100%);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(200, 131, 10, 0.5);
}

.da-toolbar .toolbar-btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--da-gold-light) 0%, var(--da-gold) 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(200, 131, 10, 0.6);
}

/* 加载动画 */
.da-toolbar .toolbar-btn-primary.da-btn-loading {
    background: linear-gradient(90deg, #C8830A 0%, #E9A422 35%, #C8830A 65%, #A0520A 100%);
    background-size: 200% 100%;
    animation: daBtnShimmer 1.4s ease-in-out infinite;
    cursor: not-allowed;
}

@keyframes daBtnShimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ========== 三栏主体 ========== */
.da-main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
    background: var(--da-warm-bg);
}

/* ========== 左栏：历史记录 ========== */
.da-history-panel {
    width: 195px;
    flex-shrink: 0;
    background: var(--da-panel-bg);
    border-right: 1px solid var(--da-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.da-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: linear-gradient(to bottom, var(--da-cream) 0%, var(--da-warm-bg2) 100%);
    border-bottom: 1px solid var(--da-border);
    flex-shrink: 0;
}

.da-history-header h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--da-text);
}

.da-history-count {
    font-size: 11px;
    color: var(--da-text-muted);
    font-weight: 400;
}

.da-history-clear-btn {
    background: #fff5f0;
    border: none;
    color: #c0392b;
    font-size: 11px;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 3px;
    transition: all 0.2s;
}

.da-history-clear-btn:hover {
    background: #fde8e8;
}

.da-history-search {
    padding: 8px 10px;
    border-bottom: 1px solid var(--da-border);
    flex-shrink: 0;
}

.da-history-search input {
    width: 100%;
    box-sizing: border-box;
    padding: 5px 8px;
    border: 1px solid var(--da-border);
    border-radius: 4px;
    font-size: 12px;
    background: var(--da-cream);
    color: var(--da-text);
    outline: none;
    transition: border-color 0.2s;
}

.da-history-search input:focus {
    border-color: var(--da-brown-light);
}

.da-history-list {
    flex: 1;
    overflow-y: auto;
}

.da-history-empty {
    text-align: center;
    padding: 30px 12px;
    color: var(--da-text-muted);
    font-size: 12px;
    line-height: 1.8;
}

.da-history-item {
    padding: 10px 12px;
    border-bottom: 1px solid #f0e8d8;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    position: relative;
}

.da-history-item:hover {
    background: var(--da-warm-bg2);
}

.da-history-item.active {
    background: linear-gradient(to right, #FEF3E2, var(--da-cream));
    border-left: 3px solid var(--da-brown-light);
}

.da-history-item-main {
    flex: 1;
    min-width: 0;
}

.da-history-item-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--da-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.da-history-item-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    margin-bottom: 3px;
}

.da-history-item-badge {
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 3px;
    background: var(--da-brown-pale);
    color: var(--da-brown);
    font-weight: 500;
}

.da-history-item-time {
    font-size: 10px;
    color: var(--da-text-muted);
}

.da-history-item-del {
    background: none;
    border: none;
    color: var(--da-text-muted);
    cursor: pointer;
    font-size: 12px;
    padding: 0 2px;
    line-height: 1;
    opacity: 0;
    transition: opacity 0.2s, color 0.2s;
    flex-shrink: 0;
}

.da-history-item:hover .da-history-item-del {
    opacity: 1;
}

.da-history-item-del:hover {
    color: #c0392b;
}

/* ========== 中栏：参数输入 ========== */
.da-input-panel {
    width: 340px;
    flex-shrink: 0;
    background: var(--da-panel-bg);
    border-right: 1px solid var(--da-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.da-panel-header {
    padding: 12px 16px 10px;
    background: linear-gradient(to bottom, var(--da-cream) 0%, var(--da-panel-bg) 100%);
    border-bottom: 1px solid var(--da-border);
    flex-shrink: 0;
}

.da-panel-header h3 {
    margin: 0 0 2px;
    font-size: 14px;
    font-weight: 700;
    color: var(--da-text);
}

.da-panel-tip {
    font-size: 11px;
    color: var(--da-text-muted);
}

.da-input-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ===== 表单组 ===== */
.da-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.da-form-row {
    display: flex;
    gap: 10px;
}

.da-form-half {
    flex: 1;
    min-width: 0;
}

.da-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--da-text-sub);
}

.da-optional {
    font-size: 11px;
    font-weight: 400;
    color: var(--da-text-muted);
}

/* ===== 选项标签 ===== */
.da-option-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.da-option-tab {
    padding: 4px 10px;
    border-radius: 16px;
    border: 1.5px solid var(--da-border);
    font-size: 12px;
    color: var(--da-text-sub);
    cursor: pointer;
    background: var(--da-cream);
    transition: all 0.2s;
    white-space: nowrap;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 4px;
}

.da-option-tab:hover {
    border-color: var(--da-brown-light);
    background: var(--da-warm-bg2);
    color: var(--da-brown);
}

.da-option-tab.selected {
    border-color: var(--da-brown);
    background: var(--da-brown);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 1px 6px rgba(139, 94, 60, 0.4);
    transform: scale(0.97);
}

.da-option-tab:active {
    transform: scale(0.94);
}

/* 色彩圆点 */
.da-color-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
    border: 1px solid rgba(0,0,0,0.1);
}

/* 详细版提示 */
.da-depth-hint {
    font-size: 10px;
    background: rgba(200,131,10,0.15);
    color: var(--da-gold);
    padding: 1px 4px;
    border-radius: 3px;
    margin-left: 2px;
}

/* ===== 输入框 ===== */
.da-input-wrap {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--da-border);
    border-radius: 6px;
    background: var(--da-cream);
    overflow: hidden;
    transition: border-color 0.2s;
}

.da-input-wrap:focus-within {
    border-color: var(--da-brown-light);
}

.da-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    padding: 6px 8px;
    font-size: 13px;
    color: var(--da-text);
    width: 0;
}

/* 隐藏数字输入框 spinner */
.da-input[type="number"]::-webkit-inner-spin-button,
.da-input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.da-input[type="number"] {
    -moz-appearance: textfield;
}

.da-input-suffix {
    padding: 0 8px;
    font-size: 12px;
    color: var(--da-text-muted);
    background: var(--da-warm-bg2);
    border-left: 1px solid var(--da-border);
    height: 100%;
    display: flex;
    align-items: center;
}

.da-textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 8px 10px;
    border: 1.5px solid var(--da-border);
    border-radius: 6px;
    font-size: 12px;
    color: var(--da-text);
    background: var(--da-cream);
    resize: vertical;
    outline: none;
    font-family: inherit;
    line-height: 1.6;
    transition: border-color 0.2s;
    min-height: 80px;
}

.da-textarea:focus {
    border-color: var(--da-brown-light);
}

.da-char-counter {
    text-align: right;
    font-size: 11px;
    color: var(--da-text-muted);
}

.da-char-counter.warning { color: var(--da-gold); }
.da-char-counter.limit   { color: #c0392b; }

/* 内嵌获取建议按钮 */
.da-inline-btn {
    width: 100%;
    padding: 10px;
    background: linear-gradient(135deg, var(--da-brown) 0%, var(--da-brown-mid) 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    box-shadow: 0 3px 10px rgba(139, 94, 60, 0.4);
    letter-spacing: 1px;
}

.da-inline-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--da-brown-mid) 0%, var(--da-brown-light) 100%);
    transform: translateY(-1px);
    box-shadow: 0 5px 14px rgba(139, 94, 60, 0.5);
}

.da-inline-btn:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(139, 94, 60, 0.3);
}

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

/* 使用提示框 */
.da-tips-box {
    background: linear-gradient(135deg, #FFF8EE, #FEF3E2);
    border: 1px solid var(--da-border);
    border-left: 3px solid var(--da-brown-light);
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 12px;
    color: var(--da-text-sub);
}

.da-tips-box p {
    margin: 0 0 6px;
    font-weight: 600;
}

.da-tips-box ul {
    margin: 0;
    padding-left: 16px;
    line-height: 2;
}

/* ========== 右栏：建议结果 ========== */
.da-result-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--da-warm-bg);
}

.da-result-header {
    padding: 10px 16px;
    background: linear-gradient(to bottom, var(--da-cream) 0%, var(--da-panel-bg) 100%);
    border-bottom: 1px solid var(--da-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.da-result-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    color: var(--da-text);
}

.da-result-meta {
    display: flex;
    align-items: center;
    gap: 8px;
}

.da-re-advise-btn {
    background: linear-gradient(135deg, var(--da-cream), var(--da-warm-bg2));
    border: 1px solid var(--da-border);
    color: var(--da-brown);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 1px 4px rgba(139,94,60,0.12);
}

.da-re-advise-btn:hover:not(:disabled) {
    background: var(--da-brown);
    color: #fff;
    border-color: var(--da-brown);
    box-shadow: 0 2px 8px rgba(139,94,60,0.3);
}

.da-re-advise-btn:active:not(:disabled) {
    transform: scale(0.96);
    box-shadow: none;
}

.da-re-advise-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.da-result-badge {
    font-size: 11px;
    padding: 2px 8px;
    background: var(--da-brown-pale);
    color: var(--da-brown);
    border-radius: 10px;
    font-weight: 500;
}

.da-result-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
}

/* ===== 占位 ===== */
.da-result-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--da-text-muted);
    min-height: 240px;
}

.da-placeholder-icon {
    font-size: 52px;
    margin-bottom: 10px;
    animation: daFloatIcon 3s ease-in-out infinite;
}

@keyframes daFloatIcon {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-8px); }
}

.da-placeholder-deco {
    font-size: 18px;
    color: var(--da-brown-pale);
    margin-bottom: 14px;
    letter-spacing: 6px;
}

.da-placeholder-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--da-text-sub);
    margin: 0 0 8px;
}

.da-placeholder-desc {
    font-size: 13px;
    margin: 3px 0;
    color: var(--da-text-muted);
}

/* ===== 加载 ===== */
.da-result-loading {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 240px;
}

.da-loading-icon {
    font-size: 48px;
    animation: daSpin 2s linear infinite;
}

@keyframes daSpin {
    0%, 100% { transform: scale(1) rotate(0deg); }
    25%       { transform: scale(1.1) rotate(10deg); }
    75%       { transform: scale(0.95) rotate(-8deg); }
}

.da-loading-dots {
    display: flex;
    gap: 6px;
    margin: 12px 0;
}

.da-loading-dots span {
    width: 8px;
    height: 8px;
    background: var(--da-brown-light);
    border-radius: 50%;
    animation: daDot 1.2s ease-in-out infinite;
}

.da-loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.da-loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes daDot {
    0%, 100% { transform: translateY(0); opacity: 0.4; }
    50%       { transform: translateY(-8px); opacity: 1; }
}

.da-loading-text {
    font-size: 13px;
    color: var(--da-text-muted);
    margin: 0;
}

/* ===== 结果内容样式 ===== */
.da-result-content {}

/* 入场动画：JS通过add/removeClass触发重播 */
.result-content-enter {
    animation: daFadeIn 0.4s ease;
}

/* 纯文本字数统计 */
.da-word-count {
    text-align: right;
    font-size: 11px;
    color: var(--da-text-muted);
    padding: 6px 2px 0;
    border-top: 1px dashed var(--da-border);
    margin-top: 8px;
    letter-spacing: 0.3px;
}

@keyframes daFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Markdown / AI 输出通用标签 */
.da-result-content h3,
.da-result-content h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--da-brown);
    margin: 12px 0 6px;
    line-height: 1.4;
}

.da-result-content strong {
    font-weight: 700;
    color: var(--da-text);
}

.da-result-content em {
    font-style: italic;
    color: var(--da-text-sub);
}

.da-result-content pre {
    background: var(--da-warm-bg2);
    border: 1px solid var(--da-border);
    border-radius: 6px;
    padding: 10px 12px;
    overflow-x: auto;
    font-size: 12px;
    line-height: 1.6;
    margin: 8px 0;
}

.da-result-content code {
    background: var(--da-warm-bg2);
    border: 1px solid var(--da-border);
    border-radius: 3px;
    padding: 1px 5px;
    font-size: 12px;
    color: var(--da-brown);
    font-family: monospace;
}

.da-result-content pre code {
    background: none;
    border: none;
    padding: 0;
    color: var(--da-text);
}

.da-result-content blockquote {
    border-left: 3px solid var(--da-brown-light);
    margin: 8px 0;
    padding: 6px 12px;
    background: var(--da-warm-bg2);
    border-radius: 0 6px 6px 0;
    color: var(--da-text-sub);
    font-size: 13px;
    line-height: 1.7;
}

/* AI生成结果内部结构 */
.da-result-content .da-result {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.da-result-content .da-overview {
    background: linear-gradient(135deg, var(--da-warm-bg2) 0%, var(--da-cream) 100%);
    border: 1px solid var(--da-border);
    border-radius: 10px;
    padding: 14px 16px;
}

.da-result-content .da-style-tag {
    display: inline-block;
    background: var(--da-brown);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 10px;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.da-result-content .da-overview-text {
    margin: 0;
    font-size: 13px;
    color: var(--da-text);
    line-height: 1.8;
}

.da-result-content .da-section {
    background: var(--da-panel-bg);
    border: 1px solid var(--da-border);
    border-radius: 10px;
    padding: 14px 16px;
    transition: box-shadow 0.2s;
}

.da-result-content .da-section:hover {
    box-shadow: 0 2px 12px rgba(139, 94, 60, 0.1);
}

.da-result-content .da-section-title {
    margin: 0 0 10px;
    font-size: 14px;
    font-weight: 700;
    color: var(--da-brown);
    border-bottom: 2px solid var(--da-brown-pale);
    padding-bottom: 6px;
}

.da-result-content .da-section p,
.da-result-content .da-section li {
    font-size: 13px;
    color: var(--da-text);
    line-height: 1.8;
}

.da-result-content .da-section ul {
    padding-left: 18px;
    margin: 6px 0;
}

/* 色板 */
.da-result-content .da-color-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.da-result-content .da-swatch {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.da-result-content .da-swatch > div {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    border: 2px solid rgba(0,0,0,0.08);
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    transition: transform 0.18s, box-shadow 0.18s;
    cursor: default;
}

.da-result-content .da-swatch > div:hover {
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(0,0,0,0.18);
}

.da-result-content .da-swatch span {
    font-size: 10px;
    color: var(--da-text-muted);
    text-align: center;
    max-width: 52px;
    word-break: break-all;
}

/* 错误 */
.da-result-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
}

.da-error-icon { font-size: 40px; margin-bottom: 12px; }
.da-error-msg  { font-size: 14px; color: #c0392b; margin: 0 0 6px; font-weight: 600; }
.da-error-tip  { font-size: 12px; color: var(--da-text-muted); margin: 0 0 14px; }
.da-retry-btn {
    background: var(--da-warm-bg2);
    border: 1px solid var(--da-border);
    color: var(--da-brown);
    padding: 6px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}
.da-retry-btn:hover { background: var(--da-brown); color: #fff; }

/* ========== 示例模态框 ========== */
.da-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 10000;
}

.da-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 760px;
    max-width: 96vw;
    max-height: 82vh;
    background: var(--da-cream);
    border-radius: 12px;
    z-index: 10001;
    flex-direction: column;
    box-shadow: 0 8px 40px rgba(0,0,0,0.25);
    overflow: hidden;
}

.da-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: var(--da-toolbar-grad);
    color: #fff;
    flex-shrink: 0;
}

.da-modal-header h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
}

.da-modal-close {
    background: rgba(255,255,255,0.2);
    border: none;
    color: #fff;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.da-modal-close:hover { background: rgba(255,255,255,0.35); }

.da-modal-body {
    padding: 16px;
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.da-example-card {
    background: var(--da-panel-bg);
    border: 1.5px solid var(--da-border);
    border-radius: 10px;
    padding: 14px 14px 12px;
    cursor: pointer;
    transition: all 0.22s;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.da-example-card:hover {
    border-color: var(--da-brown-light);
    background: var(--da-warm-bg2);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(139, 94, 60, 0.18);
}

.da-example-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.da-example-info { flex: 1; min-width: 0; }

.da-example-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--da-text);
    margin-bottom: 5px;
}

.da-example-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 5px;
}

.da-example-badge {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 8px;
    background: var(--da-brown-pale);
    color: var(--da-brown);
    font-weight: 500;
}

.da-example-desc {
    font-size: 11px;
    color: var(--da-text-muted);
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* ========== 滚动条 ========== */
.da-history-list::-webkit-scrollbar,
.da-input-body::-webkit-scrollbar,
.da-result-body::-webkit-scrollbar,
.da-modal-body::-webkit-scrollbar { width: 5px; }
.da-history-list::-webkit-scrollbar-track,
.da-input-body::-webkit-scrollbar-track,
.da-result-body::-webkit-scrollbar-track,
.da-modal-body::-webkit-scrollbar-track { background: transparent; }
.da-history-list::-webkit-scrollbar-thumb,
.da-input-body::-webkit-scrollbar-thumb,
.da-result-body::-webkit-scrollbar-thumb,
.da-modal-body::-webkit-scrollbar-thumb {
    background: var(--da-brown-pale);
    border-radius: 3px;
}

/* 滚动条悬停色 */
.da-history-list::-webkit-scrollbar-thumb:hover,
.da-input-body::-webkit-scrollbar-thumb:hover,
.da-result-body::-webkit-scrollbar-thumb:hover,
.da-modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--da-brown-light);
}

/* ========== 暗黑模式 ========== */
body.dark {
    background: #1a1310;
    color: #e8d5b5;
}

body.dark .da-container {
    background: #1e1611;
    box-shadow: 0 2px 16px rgba(0,0,0,0.5);
}

body.dark .da-toolbar {
    background: linear-gradient(135deg, #2c1e14 0%, #4a2f1f 50%, #6b4530 100%);
}

body.dark .da-history-panel,
body.dark .da-input-panel,
body.dark .da-result-panel {
    background: #211710;
}

body.dark .da-history-header,
body.dark .da-panel-header,
body.dark .da-result-header {
    background: linear-gradient(to bottom, #2a1d14, #211710);
    border-color: #3d2a1a;
}

body.dark .da-history-header h3,
body.dark .da-panel-header h3,
body.dark .da-result-header h3 {
    color: #e8d5b5;
}

body.dark .da-history-panel { border-color: #3d2a1a; }
body.dark .da-input-panel   { border-color: #3d2a1a; }
body.dark .da-history-search { border-color: #3d2a1a; }
body.dark .da-history-item  { border-color: #2e2018; }
body.dark .da-history-item:hover { background: #2e2018; }
body.dark .da-history-item.active { background: #362514; border-color: #8B5E3C; }

body.dark .da-history-search input {
    background: #2a1d14;
    border-color: #4a3020;
    color: #e8d5b5;
}

body.dark .da-history-item-title { color: #e8d5b5; }
body.dark .da-history-item-badge { background: #3d2a1a; color: #C49A6C; }

body.dark .da-option-tab {
    background: #2a1d14;
    border-color: #4a3020;
    color: #C49A6C;
}

body.dark .da-option-tab:hover {
    background: #362514;
    border-color: #8B5E3C;
}

body.dark .da-option-tab.selected {
    background: #8B5E3C;
    border-color: #8B5E3C;
    color: #fff;
}

body.dark .da-input-wrap {
    background: #2a1d14;
    border-color: #4a3020;
}

body.dark .da-input { color: #e8d5b5; }
body.dark .da-input-suffix { background: #362514; border-color: #4a3020; color: #8B7355; }

body.dark .da-textarea {
    background: #2a1d14;
    border-color: #4a3020;
    color: #e8d5b5;
}

body.dark .da-textarea:focus { border-color: #8B5E3C; }

body.dark .da-tips-box {
    background: linear-gradient(135deg, #2a1d14, #2e2018);
    border-color: #4a3020;
    border-left-color: #8B5E3C;
    color: #C49A6C;
}

body.dark .da-result-placeholder { color: #8B7355; }
body.dark .da-placeholder-title  { color: #C49A6C; }

body.dark .da-result-body { background: #1e1611; }

body.dark .da-result-content .da-overview {
    background: linear-gradient(135deg, #2a1d14, #2e2018);
    border-color: #4a3020;
}

body.dark .da-result-content .da-overview-text { color: #e8d5b5; }

body.dark .da-result-content .da-section {
    background: #28190f;
    border-color: #4a3020;
}

body.dark .da-result-content .da-section-title { color: #C49A6C; border-color: #4a3020; }

body.dark .da-result-content .da-section p,
body.dark .da-result-content .da-section li { color: #d5c0a0; }

body.dark .da-result-content h3,
body.dark .da-result-content h4 {
    color: #C49A6C;
}

body.dark .da-result-content strong {
    color: #e8d5b5;
}

body.dark .da-result-content em {
    color: #C49A6C;
}

body.dark .da-result-content pre {
    background: #2a1d14;
    border-color: #4a3020;
    color: #e8d5b5;
}

body.dark .da-result-content code {
    background: #2a1d14;
    border-color: #4a3020;
    color: #C49A6C;
}

body.dark .da-result-content pre code {
    background: none;
    border: none;
    color: #e8d5b5;
}

body.dark .da-result-content blockquote {
    border-color: #8B5E3C;
    background: #2a1d14;
    color: #C49A6C;
}

body.dark .da-re-advise-btn {
    background: #2a1d14;
    border-color: #4a3020;
    color: #C49A6C;
}

body.dark .da-re-advise-btn:hover:not(:disabled) {
    background: #8B5E3C;
    color: #fff;
    border-color: #8B5E3C;
}

body.dark .da-re-advise-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

body.dark .da-word-count {
    color: #8B7355;
    border-color: #3d2a1a;
}

body.dark .da-result-badge { background: #3d2a1a; color: #C49A6C; }

body.dark .da-label         { color: #C49A6C; }
body.dark .da-char-counter  { color: #8B7355; }
body.dark .da-panel-tip     { color: #8B7355; }

body.dark .da-depth-hint {
    background: rgba(196,154,108,0.18);
    color: #C49A6C;
}

body.dark .da-inline-btn {
    background: linear-gradient(135deg, #6b4530 0%, #8B5E3C 100%);
    box-shadow: 0 3px 10px rgba(0,0,0,0.4);
}

body.dark .da-inline-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #8B5E3C 0%, #A0714F 100%);
}

body.dark .da-inline-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

body.dark .da-retry-btn {
    background: #2a1d14;
    border-color: #4a3020;
    color: #C49A6C;
}

body.dark .da-retry-btn:hover {
    background: #8B5E3C;
    color: #fff;
    border-color: #8B5E3C;
}

body.dark .da-textarea::placeholder {
    color: #6b5040;
}

body.dark .da-history-search input::placeholder {
    color: #6b5040;
}

body.dark .da-history-clear-btn { background: #2e1515; color: #e05050; }

body.dark .da-modal-body {
    background: #211710;
}

body.dark .da-example-card {
    background: #28190f;
    border-color: #4a3020;
}

body.dark .da-example-card:hover {
    background: #362514;
    border-color: #8B5E3C;
}

body.dark .da-example-title { color: #e8d5b5; }
body.dark .da-example-badge { background: #3d2a1a; color: #C49A6C; }
body.dark .da-example-desc  { color: #8B7355; }

body.dark .da-history-count { color: #6b5040; }

/* ========== 响应式 ========== */
@media (max-width: 900px) {
    .da-history-panel { display: none; }
    .da-input-panel   { width: 300px; }
}

@media (max-width: 639px) {
    .da-main-content  { flex-direction: column; }
    .da-input-panel   { width: 100%; border-right: none; border-bottom: 1px solid var(--da-border); height: 50%; }
    .da-result-panel  { height: 50%; }
}

/* ========== Toast 通知 ========== */
.da-toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(16px);
    background: rgba(60, 38, 20, 0.93);
    color: #fff;
    padding: 9px 22px;
    border-radius: 22px;
    font-size: 13px;
    font-weight: 500;
    z-index: 19999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.28s ease, transform 0.28s ease;
    white-space: nowrap;
    box-shadow: 0 4px 16px rgba(0,0,0,0.28);
    letter-spacing: 0.3px;
}

.da-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

body.dark .da-toast {
    background: rgba(196, 154, 108, 0.95);
    color: #2a1a0e;
}