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

:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --bg3: #222636;
  --border: #2e3347;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 10px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* 登录页 */
.login-page {
  display: flex; align-items: center; justify-content: center; min-height: 100vh;
}
.login-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 16px; padding: 40px; width: 100%; max-width: 400px;
}
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo .logo-icon { font-size: 48px; margin-bottom: 8px; }
.login-logo h1 { font-size: 26px; font-weight: 700; margin-bottom: 4px; }
.login-logo p { color: var(--text2); font-size: 14px; }

/* 主布局 */
.app { display: flex; min-height: 100vh; }

/* 侧边栏 */
.sidebar {
  width: 220px; background: var(--bg2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; flex-shrink: 0;
}
.sidebar-logo {
  padding: 20px; font-size: 18px; font-weight: 700;
  border-bottom: 1px solid var(--border);
}
.sidebar-nav { padding: 12px 8px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  border-radius: 8px; color: var(--text2); text-decoration: none;
  font-size: 14px; cursor: pointer; margin-bottom: 2px; transition: all 0.15s;
}
.nav-item:hover, .nav-item.active { background: var(--bg3); color: var(--text); }
.sidebar-footer {
  padding: 16px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; color: var(--text2);
}
.btn-logout {
  background: none; border: 1px solid var(--border); color: var(--text2);
  padding: 4px 10px; border-radius: 6px; cursor: pointer; font-size: 12px;
}
.btn-logout:hover { color: var(--danger); border-color: var(--danger); }

/* 主内容区 */
.main-content { flex: 1; overflow-y: auto; }
.page { display: none; padding: 28px; }
.page.active { display: block; }
.page-header {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 24px; flex-wrap: wrap;
}
.page-header h2 { font-size: 22px; font-weight: 700; flex: 1; }

/* 按钮 */
.btn {
  padding: 9px 18px; border-radius: 8px; border: none; cursor: pointer;
  font-size: 14px; font-weight: 500; transition: all 0.15s;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text2); }
.btn-ghost:hover { color: var(--text); border-color: var(--text2); }
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 5px 12px; font-size: 12px; }

/* 表单 */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text2); margin-bottom: 6px; }
.form-group input, .form-group select {
  width: 100%; padding: 9px 12px; background: var(--bg3);
  border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-size: 14px; outline: none;
}
.form-group input:focus, .form-group select:focus { border-color: var(--primary); }
.form-group select option { background: var(--bg2); }

/* 提示 */
.alert { padding: 10px 14px; border-radius: 8px; font-size: 13px; }
.alert-error { background: rgba(239,68,68,0.1); border: 1px solid var(--danger); color: var(--danger); }
.alert-success { background: rgba(16,185,129,0.1); border: 1px solid var(--success); color: var(--success); }

/* 任务卡片 */
.campaigns-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 16px;
}
.campaign-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; cursor: pointer; transition: all 0.15s;
}
.campaign-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.campaign-card h3 { font-size: 16px; margin-bottom: 10px; }
.campaign-meta { font-size: 12px; color: var(--text2); display: flex; gap: 12px; flex-wrap: wrap; }

/* 状态标签 */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 500;
}
.badge-pending { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-products_done { background: rgba(99,102,241,0.15); color: var(--primary); }
.badge-keywords_done, .badge-copy_done, .badge-uploaded { background: rgba(16,185,129,0.15); color: var(--success); }

/* 筛选面板 */
.filter-panel {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 24px;
}
.filter-panel h3 { font-size: 13px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 16px; }
.filter-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); gap: 12px; margin-bottom: 16px;
}
#fetchStatus { font-size: 13px; color: var(--text2); margin-left: 12px; }

/* 产品卡片 */
.products-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); gap: 16px;
}
.product-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; transition: all 0.15s; cursor: pointer;
}
.product-card:hover { border-color: var(--border); }
.product-card.selected { border-color: var(--primary); background: rgba(99,102,241,0.05); }
.product-card img {
  width: 100%; height: 150px; object-fit: contain;
  background: #fff; border-radius: 6px; margin-bottom: 10px;
}
.product-card h4 {
  font-size: 13px; line-height: 1.4; margin-bottom: 8px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.product-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 10px; }
.tag { font-size: 11px; padding: 2px 7px; border-radius: 10px; }
.tag-green { background: rgba(16,185,129,0.15); color: var(--success); }
.tag-yellow { background: rgba(245,158,11,0.15); color: var(--warning); }
.tag-blue { background: rgba(99,102,241,0.15); color: var(--primary); }
.tag-gray { background: rgba(148,163,184,0.1); color: var(--text2); }
.select-bar {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 16px; margin-bottom: 16px; display: flex;
  align-items: center; justify-content: space-between; font-size: 13px; color: var(--text2);
}

/* 设置 */
.settings-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; max-width: 520px;
}
.settings-box h3 { font-size: 16px; font-weight: 600; margin-bottom: 20px; }

/* 表格 */
.table-wrap { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { padding: 12px 16px; text-align: left; font-size: 12px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; border-bottom: 1px solid var(--border); }
td { padding: 12px 16px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg3); }

/* 弹窗 */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; }
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.6); }
.modal-box {
  position: relative; background: var(--bg2); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px; width: 100%; max-width: 440px; z-index: 1;
}
.modal-box h3 { font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }

/* 空状态 */
.empty { text-align: center; padding: 60px 20px; color: var(--text2); }
.empty .icon { font-size: 48px; margin-bottom: 12px; }
.empty p { font-size: 14px; }

/* 筛选面板新样式 */
.filter-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.filter-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.filter-group { flex: 1; min-width: 180px; }
.filter-group label { display: block; font-size: 12px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; }
.filter-search { min-width: 240px; }
.search-row { display: flex; gap: 6px; }
.search-row select { width: 110px; flex-shrink: 0; }
.search-row input { flex: 1; }
.radio-group { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
.radio-group label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text); cursor: pointer; font-weight: normal; text-transform: none; letter-spacing: 0; }
.radio-group input[type="radio"] { accent-color: var(--primary); }
.checkbox-group { display: flex; flex-direction: column; gap: 8px; }
.checkbox-group label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text); cursor: pointer; font-weight: normal; text-transform: none; letter-spacing: 0; }
.checkbox-group input[type="checkbox"] { accent-color: var(--primary); }
.range-row { display: flex; align-items: center; gap: 6px; }
.range-row input { flex: 1; min-width: 0; }
.range-row span { color: var(--text2); flex-shrink: 0; }
.filter-actions { display: flex; align-items: center; gap: 12px; padding-top: 16px; border-top: 1px solid var(--border); margin-top: 8px; }
#fetchStatus { font-size: 13px; color: var(--text2); }

/* 产品卡片新样式 */
.no-link { border-color: var(--danger) !important; opacity: 0.7; }
.link-warning { background: rgba(239,68,68,0.1); color: var(--danger); font-size: 11px; padding: 3px 8px; border-radius: 4px; margin-bottom: 8px; text-align: center; }

/* 分页 */
.pagination { display: flex; align-items: center; justify-content: center; gap: 16px; padding: 20px 0; font-size: 14px; color: var(--text2); }

/* 选择栏 */
.select-bar { background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 16px; margin-bottom: 16px; display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--text2); }

/* 侧边栏收缩 */
.sidebar { transition: width 0.2s; }
.sidebar.collapsed { width: 60px; }
.sidebar.collapsed .nav-item span:last-child { display: none; }
.sidebar.collapsed .sidebar-logo span:last-child { display: none; }
.sidebar.collapsed .sidebar-footer span { display: none; }
.sidebar-toggle { background: none; border: none; color: var(--text2); cursor: pointer; font-size: 18px; padding: 4px 8px; }
.sidebar-toggle:hover { color: var(--text); }

/* Campaign卡片删除按钮 */
.campaign-card-header { display: flex; align-items: center; justify-content: space-between; }
.btn-delete-campaign { background: none; border: none; color: var(--text2); cursor: pointer; font-size: 16px; padding: 2px 6px; border-radius: 4px; }
.btn-delete-campaign:hover { color: var(--danger); background: rgba(239,68,68,0.1); }

/* 删除按钮覆盖 */
.btn-delete-campaign {
  background: #fff !important;
  border: 1px solid #ddd !important;
  color: #333 !important;
  cursor: pointer;
  font-size: 18px !important;
  padding: 4px 10px !important;
  border-radius: 6px !important;
  line-height: 1;
}
.btn-delete-campaign:hover {
  background: rgba(239,68,68,0.1) !important;
  border-color: var(--danger) !important;
  color: var(--danger) !important;
}

/* 品牌搜索框 */
.brand-search-wrap { position: relative; }
.brand-search-input { width: 100%; padding: 9px 12px; background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 14px; outline: none; }
.brand-search-input:focus { border-color: var(--primary); }
.brand-dropdown { position: absolute; top: 100%; left: 0; right: 0; background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; max-height: 200px; overflow-y: auto; z-index: 200; display: none; }
.brand-dropdown.show { display: block; }
.brand-option { padding: 8px 12px; font-size: 13px; cursor: pointer; color: var(--text); }
.brand-option:hover { background: var(--bg3); }

/* 新建任务弹窗修复 */
#modalCampaign .modal-box { max-width: 520px; }

/* 标签页 */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 24px; flex-wrap: wrap; }
.tab { padding: 10px 18px; border: none; background: none; color: var(--text2); cursor: pointer; font-size: 14px; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: all 0.15s; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab.disabled { opacity: 0.4; cursor: not-allowed; }
.tab-content { display: none; }
.tab-content.active { display: block; }
.tab-actions { display: flex; justify-content: flex-end; margin-bottom: 16px; }

/* 关键词上传 */
.keywords-upload-box { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; max-width: 600px; margin-bottom: 24px; }
.keywords-upload-box h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.hint { font-size: 13px; color: var(--text2); }
.upload-area { border: 2px dashed var(--border); border-radius: 10px; padding: 32px; text-align: center; cursor: pointer; transition: all 0.15s; margin-top: 12px; }
.upload-area:hover { border-color: var(--primary); background: rgba(99,102,241,0.05); }
.upload-icon { font-size: 36px; margin-bottom: 8px; }
.upload-area p { font-size: 14px; color: var(--text2); margin: 4px 0; }
.csv-file-name { background: rgba(16,185,129,0.1); border: 1px solid var(--success); color: var(--success); padding: 8px 12px; border-radius: 8px; font-size: 13px; margin-top: 10px; }
.process-status { padding: 12px 16px; border-radius: 8px; font-size: 13px; margin-top: 12px; }
.process-status.loading { background: rgba(99,102,241,0.1); border: 1px solid var(--primary); color: var(--primary); }
.process-status.success { background: rgba(16,185,129,0.1); border: 1px solid var(--success); color: var(--success); }
.process-status.error { background: rgba(239,68,68,0.1); border: 1px solid var(--danger); color: var(--danger); }

/* 关键词结果 */
.kw-results-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.kw-section h3 { font-size: 15px; font-weight: 600; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.kw-list { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; max-height: 400px; overflow-y: auto; }
.kw-item { display: flex; justify-content: space-between; align-items: center; padding: 6px 8px; border-radius: 6px; font-size: 13px; margin-bottom: 4px; }
.kw-item:hover { background: var(--bg3); }
.kw-keyword { font-family: monospace; color: var(--text); }
.kw-meta { font-size: 11px; color: var(--text2); }

/* Coming Soon */
.coming-soon { text-align: center; padding: 60px 20px; color: var(--text2); }
.coming-soon .icon { font-size: 48px; margin-bottom: 16px; }
.coming-soon p { font-size: 16px; margin-bottom: 8px; }

/* 账号设置 */
.settings-sections { max-width: 600px; }
.account-item { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--border); }
.account-item:last-child { border-bottom: none; }
.account-info { display: flex; align-items: center; gap: 12px; }
.account-platform { font-size: 14px; font-weight: 600; color: var(--text); }
.account-uid { font-size: 13px; color: var(--text2); }
.account-actions { display: flex; gap: 8px; }

/* 关键词Intent标签 */
.kw-intent { font-size: 10px; padding: 2px 6px; border-radius: 4px; background: rgba(99,102,241,0.15); color: var(--primary); white-space: nowrap; }

/* 关键词表头 */
.kw-header { display: flex; justify-content: space-between; align-items: center; padding: 6px 8px; font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; border-bottom: 1px solid var(--border); margin-bottom: 4px; }

/* Ad Copy */
.adcopy-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.adcopy-header h3 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.adcopy-sections { display: flex; flex-direction: column; gap: 20px; }
.adcopy-section { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.adcopy-section h4 { font-size: 14px; font-weight: 600; margin-bottom: 12px; color: var(--text); }
.adcopy-item { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.adcopy-item:last-child { border-bottom: none; }
.adcopy-num { font-size: 11px; color: var(--text2); min-width: 20px; padding-top: 2px; }
.adcopy-text { flex: 1; font-size: 13px; color: var(--text); }
.adcopy-chars { font-size: 11px; color: var(--text2); white-space: nowrap; }
.adcopy-chars.over { color: var(--danger); font-weight: 600; }
.sitelink-item { align-items: flex-start; }
.sitelink-content { flex: 1; font-size: 13px; }
.sitelink-content div { margin-bottom: 3px; }

/* Ad Copy表格样式 */
.over-limit { color: var(--danger); font-weight: 500; }
.char-count { font-size: 11px; color: var(--text2); }
.url-cell a { color: var(--primary); text-decoration: none; font-size: 13px; }
.url-cell a:hover { text-decoration: underline; }
code { font-family: monospace; font-size: 12px; background: var(--bg3); padding: 2px 6px; border-radius: 4px; }

/* Sheet横向表格 */
.sheet-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.sheet-table th { padding: 8px 12px; background: var(--bg3); color: var(--text2); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; border: 1px solid var(--border); white-space: nowrap; position: sticky; left: 0; }
.sheet-table td { padding: 8px 12px; border: 1px solid var(--border); vertical-align: top; min-width: 150px; max-width: 250px; word-break: break-word; }
.sheet-table tr:first-child td { background: var(--bg3); font-weight: 600; white-space: nowrap; min-width: 120px; position: sticky; left: 0; }
.sheet-table tr:hover td { background: rgba(99,102,241,0.05); }
.url-link { color: var(--primary); text-decoration: none; font-size: 13px; }
.url-link:hover { text-decoration: underline; }

/* Section header with regenerate button */
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.section-header h4 { margin-bottom: 0; }

/* Ad Copy分组 */
.adcopy-group { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; }
.adcopy-group-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.adcopy-group-header h3 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }

/* 状态标签 */
.status-badge { font-size: 12px; padding: 3px 8px; border-radius: 20px; white-space: nowrap; }
.status-saved { background: rgba(16,185,129,0.15); color: var(--success); }
.status-unsaved { background: rgba(148,163,184,0.15); color: var(--text2); }

/* 系统推荐选品条件横幅 */
.system-filter-banner {
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(99,102,241,0.05));
  border: 1px solid rgba(99,102,241,0.4);
  border-radius: 8px;
  padding: 10px 16px;
  margin-bottom: 16px;
}
.system-filter-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.system-filter-toggle input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: #6366f1;
  flex-shrink: 0;
}
.system-filter-label {
  font-size: 13px;
  color: #a5b4fc;
  font-weight: 500;
  transition: opacity 0.2s;
}

/* 只读显示框 */
.readonly-display {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 14px;
  color: #94a3b8;
  min-width: 100px;
  display: inline-block;
}

/* Product Type 横幅 */
.product-type-banner {
  background: linear-gradient(135deg, rgba(16,185,129,0.15), rgba(16,185,129,0.05));
  border: 1px solid rgba(16,185,129,0.4);
  border-radius: 8px;
  padding: 10px 16px;
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 500;
  color: #6ee7b7;
}
.product-type-banner span {
  font-weight: 700;
  color: #34d399;
  text-transform: capitalize;
  font-size: 15px;
}