* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #008D73;
    --color-primary-dark: #007F69;
    --color-primary-light: #DFF5ED;
    --color-title: #17232D;
    --color-body: #34454F;
    --color-bg: #FBFCFC;
    --color-border: #D8E1DF;
    --color-warning: #B45309;
    --color-warning-bg: #FFF7E6;
    --color-danger: #D6455A;
    --color-danger-bg: #FDEEEF;
    --radius-sm: 8px;
    --radius-md: 12px;
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --transition-fast: 180ms ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--color-bg);
    color: var(--color-body);
}

a { color: inherit; text-decoration: none; }

/* ==================== 登录页 ==================== */
.login-page {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
}
.login-card {
    width: 380px;
    background: white;
    border-radius: var(--radius-md);
    padding: 40px 36px;
    box-shadow: 0 4px 16px rgba(23,35,45,0.08);
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-primary);
}
.login-brand {
    text-align: center;
    margin-bottom: 28px;
}
.login-brand-icon { width: 56px; height: 56px; border-radius: 14px; }
.login-brand h1 { font-size: 1.3rem; color: var(--color-title); margin-top: 8px; }
.login-brand p { font-size: 0.8rem; color: #7c8f88; margin-top: 2px; letter-spacing: 1px; }
.login-form { display: flex; flex-direction: column; gap: 6px; }
.login-form label { color: var(--color-body); font-size: 0.85rem; margin-top: 10px; }
.login-form input {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: border var(--transition-fast);
}
.login-form input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(0,141,115,0.18);
}
.pc-btn-primary {
    margin-top: 20px;
    padding: 11px 0;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--color-primary);
    color: white;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}
.pc-btn-primary:hover { background: var(--color-primary-dark); }
.pc-btn-primary:disabled { background: #a9c9c2; cursor: not-allowed; }
.login-error { color: var(--color-danger); font-size: 0.85rem; margin-top: 10px; }

/* ==================== 应用整体布局 ==================== */
.pc-app {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

.pc-sidebar {
    width: 210px;
    flex-shrink: 0;
    background: #ffffff;
    color: var(--color-body);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--color-border);
    position: relative;
    z-index: 5;
}
.pc-sidebar-backdrop {
    display: none;
}
.pc-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 20px 18px;
    font-size: 1.05rem;
    font-weight: bold;
    color: var(--color-title);
    border-bottom: 1px solid var(--color-border);
}
.pc-sidebar-logo { width: 26px; height: 26px; border-radius: 7px; display: block; }
.pc-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    min-width: 44px;
    min-height: 44px;
    border: 1px solid var(--color-border);
    background: #fff;
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
    cursor: pointer;
    color: var(--color-body);
}
.pc-nav { flex: 1; padding: 10px 0; }
.pc-nav-item {
    display: block;
    padding: 12px 22px;
    font-size: 0.92rem;
    color: var(--color-body);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}
.pc-nav-item:hover { background: var(--color-primary-light); color: var(--color-primary-dark); }
.pc-nav-item.active { background: var(--color-primary); color: white; }

.pc-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.pc-topbar {
    height: 56px;
    flex-shrink: 0;
    background: white;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 24px;
}
.pc-topbar-title { font-size: 1rem; font-weight: 600; color: var(--color-title); }
.pc-topbar-user {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.88rem;
    color: var(--color-body);
    margin-left: auto;
}
.pc-topbar-user a { color: var(--color-primary); }

.pc-content {
    flex: 1;
    overflow-y: auto;
    padding: 32px 40px;
}

/* ==================== 比价查询页 ==================== */
.pc-hero { text-align: center; margin-bottom: 28px; }
.pc-hero h2 { font-size: 1.6rem; color: var(--color-title); }
.pc-hero p { color: var(--color-body); margin-top: 6px; font-size: 0.9rem; }

.pc-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 26px 28px;
    border: 1px solid var(--color-border);
    box-shadow: 0 1px 3px rgba(23,35,45,0.04);
    margin-bottom: 24px;
    max-width: 920px;
    margin-left: auto;
    margin-right: auto;
}
.pc-card-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-title);
    margin-bottom: 10px;
}
.pc-textarea {
    width: 100%;
    min-height: 90px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    font-size: 0.95rem;
    resize: vertical;
    font-family: inherit;
    color: var(--color-body);
    transition: border var(--transition-fast);
}
.pc-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(0,141,115,0.18);
}

.pc-hot-tags { margin-top: 14px; font-size: 0.85rem; color: var(--color-body); }
.pc-tag {
    display: inline-block;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border: 1px solid transparent;
    border-radius: 14px;
    padding: 3px 12px;
    margin: 4px 4px 0 0;
    font-size: 0.82rem;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}
.pc-tag:hover { background: var(--color-primary); color: white; }

.pc-platform-group { display: flex; gap: 10px; margin-top: 16px; }
.pc-platform-option {
    flex: 1;
    text-align: center;
    padding: 10px 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-body);
    transition: all var(--transition-fast);
}
.pc-platform-option.active {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-weight: 600;
}

.pc-steps {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin: 24px 0 18px;
}
.pc-step { flex: 1; text-align: center; position: relative; }
.pc-step::after {
    content: '';
    position: absolute;
    top: 15px;
    right: -50%;
    width: 100%;
    height: 2px;
    background: var(--color-border);
    z-index: 0;
}
.pc-step:last-child::after { display: none; }
.pc-step.done::after { background: var(--color-primary); }
.pc-step-circle {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--color-border);
    color: #7c8f88;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 8px;
    font-size: 0.85rem;
    font-weight: bold;
    position: relative;
    z-index: 1;
}
.pc-step.done .pc-step-circle { background: var(--color-primary); color: white; }
.pc-step.active .pc-step-circle { background: var(--color-primary-dark); color: white; }
.pc-step-title { font-size: 0.85rem; color: var(--color-title); font-weight: 600; }
.pc-step-desc { font-size: 0.75rem; color: #7c8f88; margin-top: 2px; }

.pc-progress-line {
    text-align: center;
    padding: 10px;
    border-radius: var(--radius-sm);
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-size: 0.88rem;
    margin-top: 4px;
}

.pc-actions { text-align: center; margin-top: 18px; }

.pc-parsed-box {
    margin-top: 18px;
    padding: 18px;
    background: var(--color-primary-light);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}
.pc-confidence-badge {
    display: inline-block;
    font-size: 0.8rem;
    padding: 3px 10px;
    border-radius: 10px;
    margin-bottom: 12px;
    font-weight: 600;
}
.pc-confidence-badge.high { background: #dcfce7; color: #15803d; }
.pc-confidence-badge.medium { background: var(--color-warning-bg); color: var(--color-warning); }
.pc-confidence-badge.low { background: var(--color-danger-bg); color: var(--color-danger); }
.pc-parsed-fields {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.pc-field label { display: block; font-size: 0.78rem; color: var(--color-body); margin-bottom: 4px; }
.pc-field input {
    width: 100%;
    padding: 7px 10px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.88rem;
    background: white;
    color: var(--color-body);
    transition: border var(--transition-fast);
}
.pc-field input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(0,141,115,0.18);
}

/* ==================== 结果详情区 ==================== */
.pc-result-header {
    max-width: 920px;
    margin: 0 auto 20px;
}
.pc-result-header h3 { font-size: 1.2rem; color: var(--color-title); }
.pc-result-meta { margin-top: 6px; display: flex; gap: 8px; flex-wrap: wrap; }
.pc-meta-tag {
    font-size: 0.78rem;
    background: var(--color-bg);
    color: var(--color-body);
    border: 1px solid var(--color-border);
    padding: 3px 10px;
    border-radius: 10px;
}

.pc-result-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto 20px;
}
.pc-price-range { text-align: center; padding: 20px 0; }
.pc-price-range .range-value { font-size: 1.8rem; color: var(--color-primary); font-weight: bold; }
.pc-price-sub { display: flex; justify-content: center; gap: 40px; margin-top: 18px; }
.pc-price-sub div { text-align: center; }
.pc-price-sub .label { font-size: 0.78rem; color: #7c8f88; }
.pc-price-sub .value { font-size: 1.1rem; font-weight: 600; color: var(--color-title); margin-top: 2px; }

.pc-ai-analysis { font-size: 0.9rem; line-height: 1.7; color: var(--color-body); max-height: 320px; overflow-y: auto; }
.pc-ai-analysis h1, .pc-ai-analysis h2, .pc-ai-analysis h3 { font-size: 1rem; margin: 10px 0 6px; color: var(--color-title); }
.pc-ai-analysis table { border-collapse: collapse; margin: 8px 0; width: 100%; }
.pc-ai-analysis th, .pc-ai-analysis td { border: 1px solid var(--color-border); padding: 4px 8px; font-size: 0.82rem; }
.pc-ai-analysis code { background: #eef1f0; padding: 1px 4px; border-radius: 4px; }

.pc-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-title);
    margin-bottom: 16px;
}

.pc-bar-chart {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 200px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px 0;
}
.pc-bar-item { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; width: 80px; }
.pc-bar-value { font-size: 0.82rem; color: var(--color-body); margin-bottom: 6px; font-weight: 600; }
/* 四色是最低/中位/最高/推荐价的图例色，属于数据可视化语义色，不跟随主题换色 */
.pc-bar { width: 44px; border-radius: 4px 4px 0 0; }
.pc-bar.min { background: #22c55e; }
.pc-bar.median { background: #3b82f6; }
.pc-bar.max { background: #ef4444; }
.pc-bar.recommend { background: #f59e0b; }
.pc-bar-label { font-size: 0.8rem; color: var(--color-body); margin-top: 8px; }

.pc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    max-width: 1200px;
    margin: 0 auto;
}
.pc-table th, .pc-table td {
    text-align: left;
    padding: 10px 14px;
    border-bottom: 1px solid var(--color-border);
}
.pc-table th { color: var(--color-body); font-weight: 600; background: var(--color-bg); white-space: nowrap; }
.pc-td-filename {
    white-space: nowrap;
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pc-table td:last-child { white-space: nowrap; }
.pc-table .price-min-tag {
    background: #dcfce7; color: #15803d; font-size: 0.72rem; padding: 1px 6px; border-radius: 6px; margin-left: 6px;
}
.pc-match-badge {
    font-size: 0.78rem;
    padding: 2px 8px;
    border-radius: 8px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
}
.pc-source-link { font-size: 0.78rem; color: var(--color-primary); }

/* ==================== 历史查询页 ==================== */
.pc-history-toolbar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 18px;
}
.pc-search-input {
    width: 260px;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    color: var(--color-body);
    transition: border var(--transition-fast);
}
.pc-search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(0,141,115,0.18);
}
.pc-badge {
    display: inline-block;
    white-space: nowrap;
    font-size: 0.78rem;
    padding: 2px 10px;
    border-radius: 10px;
    font-weight: 600;
}
.pc-badge.high { background: #dcfce7; color: #15803d; }
.pc-badge.medium { background: var(--color-warning-bg); color: var(--color-warning); }
.pc-badge.low { background: var(--color-danger-bg); color: var(--color-danger); }
.pc-badge.done { background: #dcfce7; color: #15803d; }
.pc-badge.failed { background: var(--color-danger-bg); color: var(--color-danger); }
.pc-badge.running { background: #dbeafe; color: #1d4ed8; }

.pc-link-btn {
    border: none;
    background: none;
    color: var(--color-primary);
    cursor: pointer;
    font-size: 0.85rem;
    margin-right: 10px;
}
.pc-link-btn.danger { color: var(--color-danger); }

.pc-pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
    font-size: 0.85rem;
    color: var(--color-body);
}
.pc-pager button {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: white;
    cursor: pointer;
}
.pc-pager button:disabled { color: var(--color-border); cursor: not-allowed; }

.pc-empty { text-align: center; color: #7c8f88; padding: 40px 0; }

/* ==================== 批量查询页 ==================== */
.pc-tabs { display: flex; gap: 6px; margin-bottom: 22px; max-width: 920px; margin-left: auto; margin-right: auto; }
.pc-tab {
    padding: 9px 22px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-body);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    transition: background var(--transition-fast), color var(--transition-fast);
}
.pc-tab.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }

.pc-upload-box {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: 36px 20px;
    text-align: center;
    cursor: pointer;
    transition: border var(--transition-fast), background var(--transition-fast);
}
.pc-upload-box:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.pc-upload-box .icon { font-size: 2.2rem; }
.pc-upload-box p { color: var(--color-body); margin-top: 6px; }
.pc-upload-hint { font-size: 0.78rem; color: #7c8f88; margin-top: 4px; }

.pc-selected-file {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    font-size: 0.88rem;
    margin-top: 12px;
}
.pc-selected-file button {
    background: var(--color-danger); color: white; border: none; border-radius: 50%;
    width: 18px; height: 18px; font-size: 0.65rem; cursor: pointer;
}

.pc-task-progress { margin-top: 22px; }
.pc-progress-bar-outer {
    height: 10px;
    background: var(--color-border);
    border-radius: 6px;
    overflow: hidden;
}
.pc-progress-bar-inner {
    height: 100%;
    background: var(--color-primary);
    transition: width var(--transition-fast);
}
.pc-task-stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--color-body);
    margin-top: 8px;
}

.pc-spinner {
    width: 16px; height: 16px;
    border: 2px solid var(--color-primary-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    display: inline-block;
    animation: pc-spin 0.8s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}
@keyframes pc-spin { to { transform: rotate(360deg); } }

/* ==================== AI类目映射：列表页（工具栏 + 表格卡片 + 弹窗） ==================== */
.pc-filter-bar {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px 18px;
    margin-bottom: 16px;
}
.pc-filter-field {
    display: flex;
    align-items: center;
    gap: 8px;
}
.pc-filter-field label {
    font-size: 0.85rem;
    color: var(--color-body);
    white-space: nowrap;
}
.pc-filter-field input,
.pc-filter-field select {
    width: 180px;
    padding: 7px 10px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--color-body);
}
.pc-filter-field input:focus,
.pc-filter-field select:focus { outline: none; border-color: var(--color-primary); }

.pc-list-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.pc-btn-solid {
    padding: 9px 18px;
    border: none;
    border-radius: 6px;
    background: var(--color-primary);
    color: white;
    font-size: 0.88rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}
.pc-btn-solid:hover { background: var(--color-primary-dark); }
.pc-btn-solid:disabled { background: #a9c9c2; cursor: not-allowed; }

.pc-btn-outline {
    padding: 9px 18px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: white;
    color: var(--color-body);
    font-size: 0.88rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.pc-btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pc-btn-sm { padding: 6px 14px; font-size: 0.82rem; }

.pc-inline-error {
    background: var(--color-danger-bg);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.pc-table-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow-x: auto;
}
.pc-table-card .pc-table { max-width: none; margin: 0; }
.pc-table-card .pc-table th { background: var(--color-bg); border-bottom: 1px solid var(--color-border); }
.pc-table-card .pc-empty { border: none; }

/* 顶部任务进度条：仅有进行中/刚完成的任务时显示，不再占用整块卡片 */
.pc-task-strip {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    margin-bottom: 16px;
}
.pc-task-strip-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.88rem;
    color: var(--color-body);
    margin-bottom: 8px;
}
.pc-task-strip .pc-task-stats { margin-top: 8px; align-items: center; }

/* ==================== 弹窗：批量新增导入 ==================== */
.pc-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(23, 35, 45, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}
.pc-modal {
    width: 480px;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 50px rgba(23,35,45,0.25);
    overflow: hidden;
}
.pc-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-title);
}
.pc-modal-close {
    border: none;
    background: none;
    color: #7c8f88;
    font-size: 0.9rem;
    cursor: pointer;
}
.pc-modal-close:hover { color: var(--color-body); }
.pc-modal-body { padding: 22px 20px; }
.pc-modal-label { font-size: 0.88rem; color: var(--color-body); margin-bottom: 12px; }
.pc-modal-hint {
    margin-top: 14px;
    font-size: 0.8rem;
    color: #7c8f88;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.pc-modal-hint .pc-link-btn { margin-right: 0; font-size: 0.8rem; }
.pc-mode-options {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 12px;
    margin-bottom: 6px;
    font-size: 0.85rem;
    color: var(--color-body);
}
.pc-mode-options label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.pc-mode-options input[type="radio"] { cursor: pointer; }
.pc-modal-body select {
    padding: 7px 10px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.88rem;
    color: var(--color-body);
    margin-bottom: 6px;
}
.pc-modal-body select:focus { outline: none; border-color: var(--color-primary); }
.pc-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 20px;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

/* ==================== 功能说明卡 ==================== */
.pc-feature-intro {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-bottom: 18px;
}
.pc-feature-intro-icon { font-size: 1.7rem; line-height: 1; margin-top: 2px; }
.pc-feature-intro-title { font-size: 0.95rem; font-weight: 600; color: var(--color-title); margin-bottom: 4px; }
.pc-feature-intro-desc { font-size: 0.85rem; color: var(--color-body); line-height: 1.6; }
.pc-capability-tags { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
.pc-capability-tag {
    font-size: 0.76rem;
    background: white;
    color: var(--color-primary-dark);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 3px 10px;
    font-weight: 500;
}

/* ==================== AI智能助手：历史详情弹窗（问答历史页用） ==================== */
.am-modal { width: 640px; max-height: 82vh; display: flex; flex-direction: column; }
.am-modal-body { flex: 1; overflow-y: auto; }
.am-question { font-size: 0.85rem; color: var(--color-body); margin-bottom: 12px; }
.am-question::before { content: "提问："; color: #7c8f88; }
.am-history-link { color: var(--color-primary); }

/* ==================== AI智能助手：思考过程时间线 + 结果卡片（聊天气泡/历史详情共用） ==================== */
.am-timeline { display: flex; flex-direction: column; gap: 10px; }
.am-step {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}
.am-step.failed { background: var(--color-danger-bg); border-color: var(--color-danger); }
.am-step-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    color: #16a34a;
    margin-top: 1px;
}
.am-step.failed .am-step-icon { color: var(--color-danger); }
.am-step-label { font-size: 0.86rem; font-weight: 600; color: var(--color-title); margin-bottom: 2px; }
.am-step-summary { font-size: 0.84rem; color: var(--color-body); line-height: 1.5; word-break: break-word; }
.am-result { margin-top: 12px; }
.am-result-card {
    background: var(--color-primary-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
}
.am-result-title { font-size: 0.86rem; font-weight: 600; color: var(--color-title); margin-bottom: 8px; }
.am-breadcrumb { font-size: 0.92rem; color: var(--color-primary-dark); font-weight: 500; }
.am-result-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.am-result-list li { display: flex; justify-content: space-between; font-size: 0.86rem; color: var(--color-body); background: white; padding: 6px 10px; border-radius: 6px; }
.am-muted { color: #7c8f88; }
.am-product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.am-product-card { background: white; border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 10px 12px; }
.am-product-title { font-size: 0.85rem; color: var(--color-title); font-weight: 500; margin-bottom: 6px; line-height: 1.4; }
.am-product-meta { font-size: 0.78rem; color: #7c8f88; margin-bottom: 4px; }
.am-product-match { font-size: 0.78rem; color: var(--color-primary-dark); font-weight: 600; }

/* ==================== AI智能助手：聊天页 ==================== */
.am-chat-content { display: flex; flex-direction: column; height: 100%; padding-bottom: 20px; box-sizing: border-box; overflow-y: hidden; }
.am-chat-log { flex: 1; overflow-y: auto; padding: 4px 4px 12px; display: flex; flex-direction: column; gap: 16px; }
.am-chat-empty { max-width: 480px; margin: 32px auto 0; color: var(--color-body); }
.am-chat-empty-title { font-size: 1.05rem; font-weight: 600; color: var(--color-title); text-align: center; margin-bottom: 10px; }
.am-chat-empty-desc { font-size: 0.85rem; line-height: 1.7; text-align: center; margin-bottom: 16px; }
.am-chat-empty-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.am-chat-empty-list li {
    font-size: 0.85rem;
    line-height: 1.5;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 9px 14px;
    color: var(--color-body);
}
.am-chat-empty-list b { color: var(--color-primary-dark); }
.am-msg { display: flex; }
.am-msg-user { justify-content: flex-end; }
.am-msg-assistant { justify-content: flex-start; }
.am-bubble {
    max-width: 72%;
    background: var(--color-primary);
    color: white;
    padding: 10px 14px;
    border-radius: var(--radius-md) var(--radius-md) 2px var(--radius-md);
    font-size: 0.9rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}
.am-bubble-assistant {
    max-width: 84%;
    background: white;
    color: var(--color-title);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md) var(--radius-md) var(--radius-md) 2px;
}
.am-scenario-tag {
    display: inline-block;
    font-size: 0.72rem;
    color: var(--color-primary-dark);
    background: var(--color-primary-light);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 1px 9px;
    margin-bottom: 10px;
}
.am-composer {
    flex-shrink: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: white;
    padding: 10px 12px;
    box-shadow: 0 2px 10px rgba(23,35,45,0.06);
}
.am-composer-input-row { display: flex; align-items: flex-end; gap: 10px; }
.am-chat-textarea {
    flex: 1;
    resize: none;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--color-title);
    line-height: 1.5;
    max-height: 140px;
    padding: 6px 2px;
}
.am-composer-options {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--color-border);
}
.am-scenario-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.am-pill {
    border: 1px solid var(--color-border);
    background: white;
    color: var(--color-body);
    border-radius: 14px;
    padding: 4px 12px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}
.am-pill.active { background: var(--color-primary); border-color: var(--color-primary); color: white; }
.am-inline-params { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.am-inline-params label { display: flex; align-items: center; gap: 4px; font-size: 0.8rem; color: #7c8f88; }
.am-inline-params select {
    padding: 3px 6px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--color-body);
}

/* ---------- 键盘可访问性 ---------- */
button:focus-visible,
.pc-tag:focus-visible,
.pc-nav-item:focus-visible,
.pc-tab:focus-visible,
.pc-platform-option:focus-visible,
.am-pill:focus-visible,
a:focus-visible,
textarea:focus-visible,
input:focus-visible,
select:focus-visible,
label:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .pc-spinner { animation: none; border-top-color: var(--color-primary); }
    .pc-progress-bar-inner, .pc-tag, .pc-tab, .pc-upload-box, .pc-nav-item, .pc-btn-solid,
    .pc-btn-outline, .am-pill, .pc-sidebar, .pc-sidebar-backdrop { transition: none; }
}

@media (max-width: 900px) {
    .pc-menu-toggle { display: flex; }
    .pc-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        transform: translateX(-100%);
        transition: transform var(--transition-fast);
        box-shadow: 4px 0 16px rgba(0,0,0,0.12);
    }
    .pc-sidebar.open {
        transform: translateX(0);
    }
    .pc-sidebar-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(23,35,45,0.35);
        z-index: 4;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-fast);
    }
    .pc-sidebar-backdrop.open {
        opacity: 1;
        pointer-events: auto;
    }
    .pc-content { padding: 20px; }
    .pc-parsed-fields { grid-template-columns: repeat(2, 1fr); }
    .pc-result-grid { grid-template-columns: 1fr; }
    .pc-filter-bar { padding: 14px; }
    .pc-filter-field input, .pc-filter-field select { width: 140px; }
    .pc-modal { width: calc(100vw - 32px); }
}