:root {
  --green: #1E5B45;
  --green-dark: #154A37;
  --green-light: #2D7A5E;
  --gold: #E8A33D;
  --gold-light: #F5C76E;
  --bg: #FAF7F2;
  --bg-card: #FFFFFF;
  --bg-soft: #F3EFE7;
  --text: #2D2D2D;
  --text-secondary: #6B6B6B;
  --text-muted: #999;
  --border: #E5E0D6;
  --danger: #C0392B;
  --success: #27AE60;
  --warning: #F39C12;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
}

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

body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--green); text-decoration: none; }
a:hover { color: var(--green-light); }

/* ====== 登录页 ====== */
.auth-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 50%, var(--green-light) 100%);
  position: relative;
  overflow: hidden;
  gap: 24px;
}

.auth-footer-links {
  text-align: center;
  font-size: 13px;
  color: #fff;
  z-index: 1;
  position: relative;
}

.auth-footer-links a { color: #fff; }
.auth-footer-links a:hover { color: var(--gold-light); }
.auth-footer-links .sep { margin: 0 10px; opacity: 0.7; color: #fff; }

.auth-body::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(232,163,61,0.15) 0%, transparent 70%);
  top: -200px; right: -200px;
  border-radius: 50%;
}

.auth-card {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 48px 40px;
  width: 420px;
  max-width: 90vw;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo h1 {
  font-size: 28px;
  color: var(--green);
  font-weight: 700;
  letter-spacing: 2px;
}

.auth-logo p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 8px;
}

.auth-form .form-group { margin-bottom: 20px; }

.auth-form label {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  transition: border-color 0.2s;
  background: var(--bg);
}

.auth-form input:focus {
  outline: none;
  border-color: var(--green);
  background: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--green);
  color: #fff;
  width: 100%;
}

.btn-primary:hover { background: var(--green-dark); color: #fff; }

.btn-gold {
  background: var(--gold);
  color: #fff;
}

.btn-gold:hover { background: var(--gold-light); color: #fff; }

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}

.btn-outline:hover { border-color: var(--green); color: var(--green); }

.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-secondary);
}

.auth-trial {
  margin-top: 20px;
  padding: 12px;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
}

.auth-trial strong { color: var(--green); }

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.checkbox-group input { margin-top: 3px; }

/* ====== 主框架 ====== */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  background: #fff;
  color: var(--text);
  padding: 20px 0;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid var(--border);
}

.sidebar-logo {
  padding: 0 24px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo .logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--green-dark), var(--green-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  flex-shrink: 0;
}

.sidebar-logo h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.sidebar-logo p {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.sidebar-nav { padding: 16px 12px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 500;
}

.nav-item:hover { background: var(--bg-soft); color: var(--text); }

.nav-item.active {
  background: var(--green);
  color: #fff;
}

.nav-item .icon { font-size: 18px; width: 22px; text-align: center; }

.main {
  margin-left: 220px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: #fff;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-left { display: flex; align-items: center; gap: 16px; }

.breadcrumb {
  font-size: 14px;
  color: var(--text-secondary);
}

.breadcrumb strong { color: var(--text); }

.topbar-right { display: flex; align-items: center; gap: 16px; }

.balance-badge {
  background: var(--bg-soft);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  color: var(--green);
  font-weight: 600;
  cursor: pointer;
}

.balance-badge:hover { background: var(--green); color: #fff; }

.topbar-icon-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-soft);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 18px;
  border: none;
}

.topbar-icon-btn:hover { background: var(--green); color: #fff; }

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 6px;
  background: var(--bg-soft);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.user-info:hover { background: var(--border); }

.user-info .avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--green-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
}

.user-info .email {
  font-size: 13px;
  color: var(--text-secondary);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 用户下拉菜单 */
.user-dropdown {
  position: relative;
}

.user-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  border: 1px solid var(--border);
  min-width: 180px;
  padding: 6px;
  z-index: 100;
  display: none;
}

.user-menu.show { display: block; }

.user-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
  border-radius: 6px;
  cursor: pointer;
}

.user-menu a:hover { background: var(--bg-soft); color: var(--green); }

.user-menu .divider { height: 1px; background: var(--border); margin: 4px 0; }

.user-menu a.danger { color: var(--danger); }
.user-menu a.danger:hover { background: rgba(192,57,43,0.08); color: var(--danger); }

/* 设备管理弹窗 */
.device-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 10px;
}

.device-item .dev-info { flex: 1; }

.device-item .dev-id {
  font-family: monospace;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 4px;
}

.device-item .dev-meta {
  font-size: 12px;
  color: var(--text-secondary);
}

.device-item .dev-tag {
  display: inline-block;
  background: var(--green);
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 8px;
  margin-left: 8px;
}

.device-item .unbind-btn {
  padding: 6px 14px;
  font-size: 13px;
  background: transparent;
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.device-item .unbind-btn:hover { background: var(--danger); color: #fff; }

.device-item .unbind-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.content { padding: 32px; flex: 1; }

/* ====== 首页 ====== */
.hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 60%, var(--green-light) 100%);
  color: #fff;
  padding: 44px 48px;
  border-radius: 16px;
  margin-bottom: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(232,163,61,0.18) 0%, transparent 70%);
  top: -100px; right: -80px;
  border-radius: 50%;
}

.hero h1 { font-size: 30px; margin-bottom: 10px; position: relative; z-index: 1; }

.hero p { opacity: 0.85; font-size: 15px; position: relative; z-index: 1; }

.hero-balance {
  text-align: right;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  padding: 18px 26px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.15);
  position: relative;
  z-index: 1;
}

.hero-balance .label { font-size: 13px; opacity: 0.8; }

.hero-balance .amount { font-size: 34px; font-weight: 700; margin: 6px 0; }

.hero-balance .unit { font-size: 13px; opacity: 0.8; }

/* 悬浮充值通知 */
.recharge-float {
  position: fixed;
  right: 32px;
  bottom: 32px;
  width: 280px;
  background: #fff;
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  border: 1px solid var(--border);
  z-index: 20;
}

.recharge-float .rf-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 10px;
  margin-bottom: 10px;
}

.recharge-float h4 { font-size: 16px; margin-bottom: 6px; }

.recharge-float p { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; line-height: 1.5; }

.recharge-float .rf-btn {
  display: block;
  text-align: center;
  background: var(--green);
  color: #fff;
  padding: 10px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s;
}

.recharge-float .rf-btn:hover { background: var(--green-dark); color: #fff; }

.recharge-float .rf-close {
  position: absolute;
  top: 10px; right: 12px;
  background: none;
  border: none;
  font-size: 18px;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.tool-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: all 0.25s;
  cursor: pointer;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(30,91,69,0.12);
  border-color: var(--green);
}

.tool-card .tool-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}

.tool-card .tool-icon.green { background: rgba(30,91,69,0.1); color: var(--green); }
.tool-card .tool-icon.gold { background: rgba(232,163,61,0.12); color: var(--gold); }
.tool-card .tool-icon.blue { background: rgba(52,152,219,0.1); color: #3498DB; }

.tool-card .tag {
  display: inline-block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.tool-card h3 { font-size: 20px; margin-bottom: 10px; color: var(--text); }

.tool-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.6; margin-bottom: 16px; }

.tool-card .cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  font-weight: 600;
  font-size: 14px;
  transition: gap 0.2s;
}

.tool-card:hover .cta { gap: 10px; }

.tool-card.disabled { opacity: 0.55; cursor: not-allowed; }
.tool-card.disabled:hover { transform: none; box-shadow: var(--shadow); border-color: var(--border); }

/* ====== 表单页 ====== */
.page-header { margin-bottom: 32px; }

.page-header .tag {
  display: inline-block;
  font-size: 14px;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 8px;
}

.page-header h1 { font-size: 28px; margin-bottom: 8px; }

.page-header p { color: var(--text-secondary); }

.form-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
}

.form-main {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.form-side {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  height: fit-content;
  position: sticky;
  top: 100px;
}

.form-group { margin-bottom: 24px; }

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  background: var(--bg);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
  background: #fff;
}

.form-group textarea { resize: vertical; min-height: 100px; font-family: inherit; }

.code-row { display: flex; gap: 10px; }
.code-row input { flex: 1; }
.btn-code {
  padding: 0 18px;
  white-space: nowrap;
  background: var(--bg-light);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--green);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-code:hover:not(:disabled) { background: var(--green); color: #fff; border-color: var(--green); }
.btn-code:disabled { opacity: 0.5; cursor: not-allowed; }

.form-hint { font-size: 13px; color: var(--text-muted); margin-top: 6px; }

.warning-box {
  background: #fff5f5;
  border: 1px solid #fed7d7;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: #c53030;
}
.warning-box strong { color: #9b2c2c; }

.site-footer {
  text-align: center;
  padding: 24px 16px;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
  margin-top: 40px;
}
.site-footer a { color: var(--text-muted); text-decoration: none; margin: 0 4px; }
.site-footer a:hover { color: var(--green); }
.site-footer .sep { color: var(--border); margin: 0 4px; }

.radio-group { display: flex; flex-direction: column; gap: 12px; }

.radio-option {
  display: flex;
  gap: 12px;
  padding: 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.radio-option:hover { border-color: var(--green); }

.radio-option input { margin-top: 3px; }

.radio-option .title { font-weight: 600; margin-bottom: 4px; }

.radio-option .desc { font-size: 13px; color: var(--text-secondary); }

.radio-option:has(input:checked) {
  border-color: var(--green);
  background: rgba(30,91,69,0.04);
}

/* 拖拽上传 */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--bg);
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--green);
  background: rgba(30,91,69,0.04);
}

.upload-zone .icon { font-size: 48px; margin-bottom: 16px; }

.upload-zone .title { font-size: 16px; font-weight: 600; margin-bottom: 8px; }

.upload-zone .hint { font-size: 13px; color: var(--text-muted); }

.upload-list { margin-top: 16px; }

.upload-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.upload-item .name { font-size: 14px; font-weight: 500; }

.upload-item .meta { font-size: 12px; color: var(--text-muted); }

.upload-item .remove {
  color: var(--danger);
  cursor: pointer;
  font-size: 14px;
}

.progress-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 8px;
}

.progress-bar .fill {
  height: 100%;
  background: var(--green);
  transition: width 0.3s;
}

/* 状态标签 */
.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.status-0 { background: #FFF3E0; color: #E65100; } /* 等待中 */
.status-1 { background: #E3F2FD; color: #1565C0; } /* 处理中 */
.status-2 { background: #E8F5E9; color: #2E7D32; } /* 已完成 */
.status-3 { background: #FFEBEE; color: #C62828; } /* 失败 */

/* 批次卡片 */
.batch-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.batch-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  cursor: pointer;
  background: var(--card-bg);
  transition: background 0.2s;
}
.batch-header:hover { background: #f9f7f2; }
.batch-info { flex: 1; }
.batch-title { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.batch-tag { display: inline-block; background: var(--green); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 10px; margin-left: 8px; vertical-align: middle; }
.batch-meta { font-size: 13px; color: var(--text-secondary); }
.batch-right { display: flex; align-items: center; gap: 12px; }
.batch-actions a { color: var(--green); font-size: 13px; }
.batch-actions a:hover { text-decoration: underline; }
.toggle-icon { font-size: 14px; color: var(--text-muted); transition: transform 0.2s; }
.batch-detail { padding: 0 20px 16px; border-top: 1px solid var(--border); background: var(--bg); }
.batch-detail .data-table { margin-top: 12px; }

/* 表格 */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.data-table th {
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-soft);
}

.data-table tr:hover td { background: var(--bg); }

/* 卡片 */
.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--text-muted);
}

.empty-state .icon { font-size: 64px; margin-bottom: 16px; }

.empty-state p { font-size: 15px; }

/* 充值套餐 */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.package-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.package-card:hover { border-color: var(--green); transform: translateY(-2px); }

.package-card.recommended { border-color: var(--gold); }

.package-card .badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: #fff;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.package-card .name { font-size: 16px; color: var(--text-secondary); margin-bottom: 12px; }

.package-card .price { font-size: 36px; font-weight: 700; color: var(--green); }

.package-card .price .currency { font-size: 18px; }

.package-card .coins { font-size: 14px; color: var(--text-secondary); margin: 12px 0; }

.package-card .original { font-size: 13px; color: var(--text-muted); text-decoration: line-through; }

.tier-breakdown {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}
.tier-title { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.tier-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  font-size: 13px;
}
.tier-label { color: var(--text-secondary); }
.tier-count { color: var(--green); font-weight: 600; }

/* Toast */
.toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s;
  font-size: 14px;
}

.toast.show { opacity: 1; }

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  max-width: 500px;
  width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
}

.modal h3 { margin-bottom: 16px; }

.modal-close {
  float: right;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-muted);
}

/* 响应式 */
@media (max-width: 768px) {
  .sidebar { width: 64px; }
  .sidebar-logo { padding: 16px 14px; justify-content: center; }
  .sidebar-logo > div { display: none; }
  .nav-item span { display: none; }
  .nav-item { justify-content: center; padding: 12px; }
  .main { margin-left: 64px; }
  .form-layout { grid-template-columns: 1fr; }
  .hero { flex-direction: column; text-align: center; padding: 32px 24px; }
  .content { padding: 16px; }
  .recharge-float { display: none; }
  .user-info .email { display: none; }
}

/* 任务工具栏 */
.task-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.task-toolbar .checkbox-group { display: flex; align-items: center; gap: 6px; cursor: pointer; }

/* 批量卡片复选框 */
.batch-check {
  display: flex;
  align-items: center;
  padding-right: 8px;
  flex-shrink: 0;
}

.batch-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--green);
}

/* 危险按钮 */
.btn-danger {
  background: var(--danger);
  color: #fff;
  border: none;
}
.btn-danger:hover { background: #A93226; }
.btn-danger:disabled { background: #ccc; cursor: not-allowed; }

.btn-sm { padding: 6px 14px; font-size: 13px; border-radius: 6px; }

/* 批次卡片头部布局调整（加复选框后） */
.batch-header { gap: 4px; }
.batch-info { min-width: 0; }