:root {
    --bg: #0B0E14;
    --bg-card: #141822;
    --bg-card-hover: #1A1F2E;
    --bg-sidebar: #0E1118;
    --border: #252B3A;
    --border-light: #2D3548;
    --text: #E8ECF1;
    --text-secondary: #8B9DAF;
    --text-tertiary: #5C6B82;
    --primary: #2775CA;
    --primary-light: #EBF3FF;
    --primary-dark: #1A5FB4;
    --secondary: #26A17B;
    --success: #1EC677;
    --warning: #F0B90B;
    --danger: #F6465D;
    --purple: #9B6DFF;
    --gradient: linear-gradient(135deg, #2775CA 0%, #26A17B 100%);
    --radius: 14px;
    --radius-sm: 10px;
    --radius-xs: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif; background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; }

.hidden { display: none !important; }

/* ===== 登录页 ===== */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; background: radial-gradient(ellipse at center, #111622 0%, #0B0E14 70%); }
.login-box { width: 100%; max-width: 400px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px 32px; }
.login-header { text-align: center; margin-bottom: 32px; }
.login-logo { display: flex; justify-content: center; margin-bottom: 16px; }
.login-title { font-size: 24px; font-weight: 800; color: var(--text); margin-bottom: 4px; }
.login-subtitle { font-size: 13px; color: var(--text-secondary); }
.login-form .form-group { margin-bottom: 20px; }
.login-form .form-label { display: block; font-size: 13px; font-weight: 500; color: var(--text-secondary); margin-bottom: 8px; }
.form-input-box { display: flex; align-items: center; gap: 10px; background: var(--bg-card-hover); border: 1px solid var(--border-light); border-radius: var(--radius-sm); padding: 0 14px; transition: border-color 0.2s ease; }
.form-input-box:focus-within { border-color: var(--primary); }
.form-input-box input { flex: 1; background: transparent; border: none; outline: none; padding: 12px 0; color: var(--text); font-size: 14px; font-family: inherit; }
.form-input-box input::placeholder { color: var(--text-tertiary); }
.btn-login { width: 100%; background: var(--gradient); color: white; border: none; padding: 14px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 700; cursor: pointer; transition: all 0.2s ease; font-family: inherit; letter-spacing: 2px; }
.btn-login:hover { opacity: 0.9; box-shadow: 0 4px 16px rgba(39,117,202,0.3); }
.login-tips { text-align: center; font-size: 12px; color: var(--text-tertiary); margin-top: 16px; }

/* ===== 后台布局 ===== */
.dashboard { display: flex; min-height: 100vh; }

/* 侧边栏 */
.sidebar { width: 220px; background: var(--bg-sidebar); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; left: 0; z-index: 200; transition: transform 0.3s ease; }
.sidebar.collapsed { transform: translateX(-220px); }
.sidebar-header { display: flex; align-items: center; gap: 10px; padding: 20px 16px; border-bottom: 1px solid var(--border); }
.sidebar-logo { display: flex; }
.sidebar-title { font-size: 16px; font-weight: 700; color: var(--text); }
.sidebar-nav { flex: 1; padding: 12px 8px; overflow-y: auto; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 11px 14px; color: var(--text-secondary); text-decoration: none; border-radius: var(--radius-xs); font-size: 14px; font-weight: 500; transition: all 0.2s ease; margin-bottom: 4px; }
.nav-item:hover { background: var(--bg-card-hover); color: var(--text); }
.nav-item.active { background: var(--primary-light); color: var(--primary); }
.nav-item.active svg { color: var(--primary); }
.nav-item svg { color: var(--text-secondary); flex-shrink: 0; transition: color 0.2s ease; }
.nav-item:hover svg { color: var(--text); }
.sidebar-footer { padding: 16px; border-top: 1px solid var(--border); }
.btn-logout { display: flex; align-items: center; gap: 8px; width: 100%; background: transparent; border: 1px solid var(--border-light); color: var(--text-secondary); padding: 10px 14px; border-radius: var(--radius-xs); font-size: 13px; font-weight: 500; cursor: pointer; transition: all 0.2s ease; font-family: inherit; }
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* 主区域 */
.main-area { flex: 1; margin-left: 220px; display: flex; flex-direction: column; min-height: 100vh; transition: margin-left 0.3s ease; }
.main-area.expanded { margin-left: 0; }

/* 顶栏 */
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; background: var(--bg); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.topbar-left { display: flex; align-items: center; gap: 12px; }
.btn-toggle { background: transparent; border: none; color: var(--text-secondary); cursor: pointer; display: flex; padding: 4px; border-radius: 6px; }
.btn-toggle:hover { background: var(--bg-card-hover); }
.topbar-title { font-size: 18px; font-weight: 700; color: var(--text); }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.admin-info { display: flex; align-items: center; gap: 8px; }
.admin-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--gradient); }
.admin-name { font-size: 13px; font-weight: 500; color: var(--text); }

/* 页面内容 */
.page-content { flex: 1; padding: 24px; }
.page { display: none; }
.page.active { display: block; }

/* 统计卡片 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; display: flex; align-items: center; gap: 16px; }
.stat-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.stat-blue { background: rgba(39,117,202,0.1); }
.stat-green { background: rgba(30,198,119,0.1); }
.stat-orange { background: rgba(240,185,11,0.1); }
.stat-purple { background: rgba(155,109,255,0.1); }
.stat-info { display: flex; flex-direction: column; gap: 4px; }
.stat-label { font-size: 12px; color: var(--text-secondary); }
.stat-value { font-size: 22px; font-weight: 800; color: var(--text); }

/* 图表区 */
.chart-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.chart-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.chart-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.chart-title { font-size: 15px; font-weight: 600; color: var(--text); }
.chart-filter { background: var(--bg-card-hover); border: 1px solid var(--border-light); color: var(--text); border-radius: 6px; padding: 6px 10px; font-size: 12px; font-family: inherit; outline: none; }
.chart-body { padding: 20px; min-height: 200px; }

/* 柱状图 */
.chart-bars { display: flex; align-items: flex-end; gap: 8px; height: 160px; }
.chart-bar-item { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.chart-bar { width: 100%; max-width: 36px; background: var(--gradient); border-radius: 4px 4px 0 0; min-height: 4px; transition: height 0.3s ease; position: relative; }
.chart-bar:hover { opacity: 0.85; }
.chart-bar-val { font-size: 10px; color: var(--text-secondary); position: absolute; top: -18px; left: 50%; transform: translateX(-50%); white-space: nowrap; }
.chart-bar-label { font-size: 10px; color: var(--text-tertiary); }

/* 代币分布 */
.token-distribution { display: flex; flex-direction: column; gap: 16px; }
.token-dist-item { display: flex; flex-direction: column; gap: 6px; }
.token-dist-header { display: flex; justify-content: space-between; font-size: 13px; }
.token-dist-name { font-weight: 600; color: var(--text); }
.token-dist-pct { color: var(--text-secondary); }
.token-dist-bar { height: 8px; border-radius: 4px; overflow: hidden; }
.token-dist-fill { height: 100%; border-radius: 4px; transition: width 0.5s ease; }

/* 数据表格 */
.table-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.table-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); flex-wrap: wrap; gap: 12px; }
.table-title { font-size: 15px; font-weight: 600; color: var(--text); }
.table-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.search-input { background: var(--bg-card-hover); border: 1px solid var(--border-light); color: var(--text); border-radius: 6px; padding: 8px 12px; font-size: 13px; outline: none; font-family: inherit; width: 200px; }
.search-input:focus { border-color: var(--primary); }
.filter-select { background: var(--bg-card-hover); border: 1px solid var(--border-light); color: var(--text); border-radius: 6px; padding: 8px 12px; font-size: 13px; outline: none; font-family: inherit; }
.btn-action { background: var(--primary); color: white; border: none; padding: 8px 16px; border-radius: 6px; font-size: 13px; font-weight: 500; cursor: pointer; font-family: inherit; transition: background 0.2s ease; }
.btn-action:hover { background: var(--primary-dark); }
.btn-export { background: var(--bg-card-hover); border: 1px solid var(--border-light); color: var(--text-secondary); padding: 8px 16px; border-radius: 6px; font-size: 13px; font-weight: 500; cursor: pointer; font-family: inherit; transition: all 0.2s ease; }
.btn-export:hover { border-color: var(--primary); color: var(--primary); }
.table-body { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { text-align: left; padding: 12px 20px; font-size: 12px; font-weight: 600; color: var(--text-secondary); border-bottom: 1px solid var(--border); white-space: nowrap; background: var(--bg-card-hover); }
.data-table td { padding: 12px 20px; font-size: 13px; color: var(--text); border-bottom: 1px solid var(--border); }
.data-table tr:hover td { background: var(--bg-card-hover); }
.data-table tr:last-child td { border-bottom: none; }
.table-empty { text-align: center; padding: 32px 20px; color: var(--text-tertiary); }
.status-tag { display: inline-block; padding: 3px 10px; border-radius: 4px; font-size: 11px; font-weight: 600; }
.status-tag.success { color: var(--success); background: rgba(30,198,119,0.1); }
.status-tag.failed { color: var(--danger); background: rgba(246,70,93,0.1); }
.status-tag.pending { color: var(--warning); background: rgba(240,185,11,0.1); }
.token-tag { display: inline-block; padding: 3px 10px; border-radius: 4px; font-size: 11px; font-weight: 600; }
.token-tag.usdc { color: #2775CA; background: rgba(39,117,202,0.1); }
.token-tag.usdt { color: #26A17B; background: rgba(38,161,123,0.1); }
.tx-hash { font-family: monospace; font-size: 12px; color: var(--text-secondary); max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 分页 */
.table-footer { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; border-top: 1px solid var(--border); }
.pagination-info { font-size: 12px; color: var(--text-secondary); }
.pagination { display: flex; gap: 6px; }
.page-btn { background: var(--bg-card-hover); border: 1px solid var(--border-light); color: var(--text-secondary); padding: 6px 12px; border-radius: 6px; font-size: 12px; cursor: pointer; font-family: inherit; transition: all 0.2s ease; }
.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); color: white; border-color: var(--primary); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* 合约配置 */
.config-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(420px, 1fr)); gap: 16px; }
.config-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.config-header { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.config-token { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 800; color: white; }
.config-token.usdc { background: linear-gradient(135deg, #2775CA, #1A5FB4); }
.config-token.usdt { background: linear-gradient(135deg, #26A17B, #1C7D5F); }
.config-label { font-size: 15px; font-weight: 600; color: var(--text); }
.config-body { padding: 20px; }
.config-item { margin-bottom: 16px; }
.config-item label { display: block; font-size: 13px; font-weight: 500; color: var(--text-secondary); margin-bottom: 8px; }
.config-input { width: 100%; background: var(--bg-card-hover); border: 1px solid var(--border-light); color: var(--text); border-radius: var(--radius-sm); padding: 10px 14px; font-size: 13px; font-family: 'Inter', monospace; outline: none; transition: border-color 0.2s ease; }
.config-input:focus { border-color: var(--primary); }
.config-input:read-only { color: var(--text-secondary); cursor: not-allowed; }
.btn-save { background: var(--gradient); color: white; border: none; padding: 12px 24px; border-radius: var(--radius-xs); font-size: 14px; font-weight: 600; cursor: pointer; font-family: inherit; transition: opacity 0.2s ease; }
.btn-save:hover { opacity: 0.9; }

/* 设置页 */
.settings-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; max-width: 600px; }
.settings-section { margin-bottom: 32px; }
.settings-section-title { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }

/* Toast */
.toast { position: fixed; top: 80px; left: 50%; transform: translateX(-50%); background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 12px 20px; font-size: 13px; color: var(--text); z-index: 3000; animation: toast-in 0.3s ease; box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
@keyframes toast-in { from { opacity: 0; transform: translateX(-50%) translateY(-10px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

/* 代理弹窗 */
.modal-overlay-wrap { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 24px; }
.modal-overlay-wrap.hidden { display: none !important; }
.modal-box { position: relative; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); width: 100%; max-width: 460px; max-height: 90vh; overflow: hidden; display: flex; flex-direction: column; animation: modal-in 0.3s ease; }
.modal-box-lg { max-width: 680px; }
.modal-box-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.modal-box-title { font-size: 16px; font-weight: 700; color: var(--text); }
.modal-box-close { background: transparent; border: none; color: var(--text-secondary); cursor: pointer; display: flex; padding: 4px; border-radius: 6px; transition: all 0.2s ease; }
.modal-box-close:hover { background: var(--bg-card-hover); color: var(--text); }
.modal-box-body { padding: 20px; overflow-y: auto; flex: 1; }
.modal-box-footer { display: flex; gap: 10px; justify-content: flex-end; padding: 16px 20px; border-top: 1px solid var(--border); flex-shrink: 0; }
.modal-box-footer .btn-export { padding: 10px 20px; }
.modal-box-footer .btn-save { padding: 10px 24px; }
.link-copy-box { display: flex; gap: 8px; }
.link-copy-box .config-input { flex: 1; }
.link-copy-box .btn-action { white-space: nowrap; padding: 8px 16px; }
.agent-avatar { width: 28px; height: 28px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; color: white; flex-shrink: 0; }
.detail-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.detail-row:last-child { border-bottom: none; }
.detail-label { font-size: 13px; color: var(--text-secondary); }
.detail-value { font-size: 14px; font-weight: 600; color: var(--text); }
.detail-section { margin-bottom: 20px; }
.detail-section-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 8px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.level-tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; }
.level-tag.lv1 { color: var(--primary); background: rgba(39,117,202,0.1); }
.level-tag.lv2 { color: var(--secondary); background: rgba(38,161,123,0.1); }
.level-tag.lv3 { color: var(--purple); background: rgba(155,109,255,0.1); }
.action-btns { display: flex; gap: 6px; }
.action-btn { background: var(--bg-card-hover); border: 1px solid var(--border-light); color: var(--text-secondary); padding: 4px 10px; border-radius: 6px; font-size: 12px; cursor: pointer; font-family: inherit; transition: all 0.2s ease; white-space: nowrap; }
.action-btn:hover { border-color: var(--primary); color: var(--primary); }
.action-btn.danger:hover { border-color: var(--danger); color: var(--danger); }

/* 响应式 */
@media (max-width: 1024px) {
    .chart-row { grid-template-columns: 1fr; }
    .config-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .sidebar { transform: translateX(-220px); }
    .sidebar.show { transform: translateX(0); }
    .main-area { margin-left: 0; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .table-actions { width: 100%; }
    .search-input { width: 100%; }
}
@media (max-width: 480px) {
    .stat-grid { grid-template-columns: 1fr; }
    .page-content { padding: 16px; }
}