/* admin-web 管理后台样式（桌面端：左侧导航 + 顶部账号 + 表格 + 状态标签） */
:root {
  --sea: #1299E3;
  --sea-d: #0878C9;
  --foam: #63DCCF;
  --glow: #29C4D3;
  --sun: #FDBE42;
  --ink: #173B59;
  --ink2: #3E5A77;
  --ink3: #7E97AD;
  --bg: #F4FAFD;
  --card: #fff;
  --line: #E5EEF5;
  --ok: #17A673;
  --warn: #D99000;
  --danger: #E05252;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
}
.hidden { display: none !important; }

/* ===== 登录页 ===== */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #0E7FC0 0%, #29C4D3 100%);
  padding: 24px;
}
.login-card {
  width: 360px;
  background: var(--card);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 20px 50px -20px rgba(9, 80, 140, 0.5);
}
.login-brand { font-size: 20px; font-weight: 700; text-align: center; }
.login-sub { font-size: 13px; color: var(--ink3); text-align: center; margin: 8px 0 24px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13px; color: var(--ink2); margin-bottom: 6px; }
.form-field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  color: var(--ink);
}
.form-field input:focus { outline: none; border-color: var(--sea); }
.login-error {
  background: #FDECEC;
  color: var(--danger);
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 8px;
  margin-bottom: 14px;
}

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-block;
  background: var(--sea);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 14px;
  cursor: pointer;
  transition: opacity .15s;
}
.btn-primary:hover { background: var(--sea-d); }
.btn-primary:disabled { background: #9CC8E6; cursor: not-allowed; }
.btn-ghost {
  display: inline-block;
  background: transparent;
  color: var(--ink2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: background .15s;
}
.btn-ghost:hover { background: var(--bg); }
.btn-danger {
  background: transparent; color: var(--danger);
  border: 1px solid #F3C1C1; border-radius: 6px;
  padding: 4px 10px; font-size: 12px; cursor: pointer;
}
.btn-link {
  background: transparent; color: var(--sea); border: none;
  padding: 4px 8px; font-size: 12px; cursor: pointer;
}
.btn-link:hover { text-decoration: underline; }
.login-card .btn-primary { width: 100%; padding: 12px; }

/* ===== 布局 ===== */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  background: linear-gradient(180deg, #0E6FA8 0%, #1299E3 100%);
  color: #fff;
  flex-shrink: 0;
}
.side-brand { padding: 22px 20px; font-size: 16px; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.14); }
.side-nav { padding: 12px 0; }
.nav-item {
  display: block;
  padding: 12px 24px;
  color: rgba(255,255,255,.85);
  cursor: pointer;
  font-size: 14px;
  border-left: 3px solid transparent;
  transition: background .15s;
}
.nav-item:hover { background: rgba(255,255,255,.1); }
.nav-item.active { background: rgba(255,255,255,.18); border-left-color: var(--sun); color: #fff; font-weight: 600; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 56px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}
.topbar-title { font-size: 16px; font-weight: 600; }
.topbar-user { display: flex; align-items: center; gap: 10px; }
.user-name { font-weight: 600; }
.user-roles {
  font-size: 12px; color: var(--ink3);
  background: var(--bg); padding: 2px 8px; border-radius: 10px;
}

.content { padding: 24px; flex: 1; }

/* ===== 概览统计卡 ===== */
.stat-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 20px; }
.stat-card { background: var(--card); border-radius: 12px; padding: 20px; box-shadow: 0 6px 18px -10px rgba(9,80,140,.18); }
.stat-num { font-size: 30px; font-weight: 700; color: var(--sea); }
.stat-label { font-size: 13px; color: var(--ink3); margin-top: 4px; }

/* ===== 面板与表格 ===== */
.panel { background: var(--card); border-radius: 12px; padding: 20px; box-shadow: 0 6px 18px -10px rgba(9,80,140,.18); margin-bottom: 20px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.panel-title { font-size: 16px; font-weight: 600; }
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.table th { color: var(--ink3); font-weight: 600; white-space: nowrap; }
.table td { color: var(--ink2); }

/* 状态标签 */
.tag { display: inline-block; padding: 2px 10px; border-radius: 10px; font-size: 12px; }
.tag-on { background: #E7F6EF; color: var(--ok); }
.tag-off { background: #FDECEC; color: var(--danger); }
.tag-role { background: var(--bg); color: var(--ink2); margin-right: 4px; }
.empty { text-align: center; color: var(--ink3); padding: 24px 0; }

/* ===== 弹窗 ===== */
.modal { position: fixed; inset: 0; background: rgba(23,59,89,.4); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal-card { width: 420px; background: var(--card); border-radius: 14px; overflow: hidden; }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--line); font-weight: 600;
}
.modal-close { cursor: pointer; font-size: 20px; color: var(--ink3); }
.modal-body { padding: 20px; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 10px; }
.role-checks { display: flex; flex-wrap: wrap; gap: 10px; }
.role-check { display: flex; align-items: center; gap: 4px; font-size: 13px; color: var(--ink2); }
.role-check input { width: auto; }

/* 响应式：窄屏侧栏收窄 */
@media (max-width: 720px) {
  .sidebar { width: 150px; }
  .stat-cards { grid-template-columns: 1fr; }
}