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

:root {
    --primary: #2563eb;
    --primary-light: #dbeafe;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --success: #16a34a;
    --success-light: #dcfce7;
    --info: #0891b2;
    --info-light: #cffafe;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --radius: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
                 'Microsoft YaHei', sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    font-size: 14px;
    height: 100vh;
    overflow: hidden;
}

#app {
    display: flex;
    height: 100vh;
}

/* ===== 侧边栏 ===== */
.sidebar {
    width: 220px;
    background: var(--gray-900);
    color: #fff;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.logo {
    padding: 20px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo-icon { font-size: 28px; }
.logo-text { font-size: 14px; font-weight: 600; line-height: 1.4; }

.nav {
    flex: 1;
    padding: 8px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    color: rgba(255,255,255,0.6);
    cursor: pointer;
    transition: all 0.15s;
    font-size: 14px;
    text-decoration: none;
}

.nav-item:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-item span { font-size: 16px; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    gap: 24px;
}

.stat-item { text-align: center; }
.stat-num { display: block; font-size: 20px; font-weight: 700; color: #fff; }
.stat-label { font-size: 11px; color: rgba(255,255,255,0.5); }

/* ===== 主内容区 ===== */
.main {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.page { display: none; flex: 1; flex-direction: column; padding: 24px; }
.page.active { display: flex; }

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.page-header h2 { font-size: 20px; font-weight: 600; }

.badge {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    padding: 2px 10px;
    border-radius: 12px;
    font-weight: 600;
}

/* ===== 聊天 ===== */
.chat-container {
    display: flex;
    flex-direction: column;
    flex: 1;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

.chat-header { margin-bottom: 16px; }
.chat-header h2 { font-size: 20px; margin-bottom: 4px; }
.chat-hint { color: var(--gray-500); font-size: 13px; }

.chat-messages {
    flex: 1;
    overflow-y: auto;
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    padding: 20px;
    margin-bottom: 12px;
    min-height: 300px;
}

.msg { display: flex; gap: 12px; margin-bottom: 20px; }
.msg.user { flex-direction: row-reverse; }
.msg-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700;
    flex-shrink: 0;
}
.msg.bot .msg-avatar { background: var(--primary); color: #fff; }
.msg.user .msg-avatar { background: var(--gray-300); color: var(--gray-700); }

.msg-content { max-width: 75%; }
.msg-body {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 12px 16px;
    white-space: pre-wrap;
    line-height: 1.6;
}
.msg.user .msg-body { background: var(--primary-light); border-color: var(--primary); }

/* 回复元信息标签 */
.msg-meta {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.tag {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}
.tag.intent { background: var(--info-light); color: var(--info); }
.tag.sku { background: var(--primary-light); color: var(--primary); }
.tag.transfer { background: var(--danger-light); color: var(--danger); }
.tag.safe { background: var(--success-light); color: var(--success); }

.reply-section {
    margin-top: 8px;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
}
.reply-en {
    background: #eff6ff;
    border-left: 3px solid var(--primary);
    margin-bottom: 6px;
}
.reply-cn {
    background: var(--gray-50);
    border-left: 3px solid var(--gray-300);
    color: var(--gray-500);
}
.reply-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-bottom: 4px;
    display: block;
}

.quick-prompts {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}
.quick-prompts button {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 6px 14px;
    font-size: 12px;
    color: var(--gray-700);
    cursor: pointer;
    transition: all 0.15s;
}
.quick-prompts button:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.chat-input-area { display: flex; gap: 12px; }
#chatInput {
    flex: 1;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    padding: 12px 16px;
    font-size: 14px;
    resize: none;
    font-family: inherit;
}
#chatInput:focus { outline: none; border-color: var(--primary); }

/* ===== 按钮 ===== */
.btn-primary {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 10px 20px;
    font-size: 14px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.15s;
}
.btn-primary:hover { background: #1d4ed8; }
.btn-primary:disabled { background: var(--gray-300); cursor: not-allowed; }

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-weight: 600;
}
.btn-edit { background: var(--primary-light); color: var(--primary); }
.btn-delete { background: var(--danger-light); color: var(--danger); }

/* ===== 表格 ===== */
.table-wrap {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    overflow: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.data-table th {
    background: var(--gray-50);
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap;
}
.data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--gray-100);
}
.data-table tr:hover { background: var(--gray-50); }

.status-tag {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}
.status-在售 { background: var(--success-light); color: var(--success); }
.status-pending { background: var(--warning-light); color: var(--warning); }
.status-停售 { background: var(--danger-light); color: var(--danger); }

/* ===== FAQ ===== */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 16px;
}
.faq-item-head {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 8px;
}
.faq-sku-tag {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}
.faq-q { font-weight: 600; margin-bottom: 6px; color: var(--gray-800); }
.faq-a { color: var(--gray-700); line-height: 1.6; }

/* ===== 品类能力卡片 ===== */
.cat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 16px;
}
.cat-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 18px;
}
.cat-card h3 { font-size: 15px; margin-bottom: 12px; color: var(--primary); }
.cat-card dl { font-size: 13px; }
.cat-card dt { font-weight: 600; color: var(--gray-500); margin-top: 8px; }
.cat-card dd { margin-left: 0; line-height: 1.5; color: var(--gray-700); }

/* ===== 参数表单 ===== */
.params-container {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 20px;
    max-width: 700px;
}
.param-section { margin-bottom: 24px; }
.param-section h3 {
    font-size: 15px;
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--gray-200);
}
.form-group { margin-bottom: 12px; }
.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-500);
    margin-bottom: 4px;
}
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 13px;
    font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* ===== 权限边界卡片 ===== */
.rules-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 16px;
}
.rule-card {
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid;
}
.rule-card.danger { background: var(--danger-light); border-color: #fca5a5; }
.rule-card.warning { background: var(--warning-light); border-color: #fcd34d; }
.rule-card.info { background: var(--info-light); border-color: #67e8f9; }
.rule-card h3 { font-size: 15px; margin-bottom: 12px; }
.rule-card ul { list-style: none; }
.rule-card li {
    padding: 6px 0;
    line-height: 1.5;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}
.rule-card li:last-child { border-bottom: none; }

/* ===== 弹窗 ===== */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.modal.show {
    display: flex !important;
}
.modal-content {
    background: #fff;
    border-radius: var(--radius);
    width: 500px;
    max-height: 80vh;
    overflow-y: auto;
}
.modal-large { width: 800px; }
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
}
.modal-header h3 { font-size: 17px; }
.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-500);
}
.modal-body { padding: 20px; }

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.form-grid .full { grid-column: 1 / -1; }

/* ===== 微信助手 ===== */
.wechat-status-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
}
.status-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--gray-300);
}
.status-dot.active { background: var(--success); }
.status-dot.error { background: var(--danger); }

.wechat-setup {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}
@media (max-width: 768px) {
    .wechat-setup { grid-template-columns: 1fr; }
}
.wechat-section {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 18px;
}
.wechat-section h3 { font-size: 15px; margin-bottom: 10px; }
.wechat-hint { font-size: 12px; color: var(--gray-500); margin-bottom: 8px; }
.wechat-section textarea {
    width: 100%;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 13px;
    font-family: inherit;
    resize: vertical;
}
.wechat-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
    flex-wrap: wrap;
}
.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
    border: none;
    border-radius: var(--radius);
    padding: 10px 20px;
    font-size: 14px;
    cursor: pointer;
    font-weight: 600;
}
.autofill-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    cursor: pointer;
}
.wechat-guide {
    font-size: 13px;
    color: var(--gray-700);
    line-height: 1.8;
    padding-left: 20px;
}
.wechat-warn {
    margin-top: 12px;
    padding: 10px 14px;
    background: var(--warning-light);
    border-radius: 6px;
    font-size: 12px;
    color: var(--warning);
    line-height: 1.5;
}

.wechat-log-section {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 18px;
}
.wechat-log-section h3 {
    font-size: 15px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.wechat-log {
    max-height: 500px;
    overflow-y: auto;
}
.wechat-log-empty {
    text-align: center;
    color: var(--gray-500);
    padding: 40px 0;
}
.wc-log-item {
    border-bottom: 1px solid var(--gray-100);
    padding: 12px 0;
}
.wc-log-item:last-child { border-bottom: none; }
.wc-log-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}
.wc-log-contact {
    font-weight: 600;
    font-size: 13px;
}
.wc-log-time {
    font-size: 11px;
    color: var(--gray-500);
}
.wc-log-msg {
    font-size: 13px;
    margin-bottom: 4px;
}
.wc-log-msg .label {
    font-weight: 600;
    color: var(--gray-500);
}
.wc-log-reply {
    background: #eff6ff;
    border-left: 3px solid var(--primary);
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 13px;
    margin-top: 6px;
    white-space: pre-wrap;
}
.wc-log-cn {
    background: var(--gray-50);
    border-left: 3px solid var(--gray-300);
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
}
.wc-log-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 6px;
}
.wc-log-filled {
    font-size: 11px;
    color: var(--success);
    font-weight: 600;
}
.wc-log-transfer {
    font-size: 11px;
    color: var(--danger);
    font-weight: 600;
}
.wc-log-sys {
    font-size: 12px;
    color: var(--gray-500);
    padding: 6px 0;
}
.wc-log-sys.error { color: var(--danger); }
.wc-log-sys.warning { color: var(--warning); }
.wc-log-sys.info { color: var(--info); }