/* ===== 蓝色简约主题 ===== */
:root {
  --xmb-blue:       #4a8fd6;
  --xmb-blue-dark:  #356fa8;
  --xmb-blue-soft:  #eef4fb;
  --xmb-blue-line:  #d8e3f0;
  --xmb-bg:         #f6f8fb;
  --xmb-card:       #ffffff;
  --xmb-border:     #e8ebf0;
  --xmb-text:       #28303f;
  --xmb-muted:      #6f7a8c;
  --xmb-shadow:     0 1px 2px rgba(16,24,40,.04), 0 4px 16px rgba(16,24,40,.05);
  --xmb-radius:     12px;
}

* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-size: 14px;
  background-color: var(--xmb-bg) !important;
  color: var(--xmb-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
}

a { color: var(--xmb-blue); text-decoration: none; }
a:hover { color: var(--xmb-blue-dark); }

/* ===== 顶部导航：蓝色渐变 ===== */
.navbar.xmb-nav {
  background: linear-gradient(135deg, var(--xmb-blue) 0%, var(--xmb-blue-dark) 100%) !important;
  box-shadow: 0 2px 10px rgba(47,88,138,.14);
  padding-top: .55rem;
  padding-bottom: .55rem;
}
.xmb-nav .navbar-brand {
  font-weight: 700;
  letter-spacing: .3px;
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 70%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.xmb-nav .navbar-brand i {
  font-size: 1.15rem;
  line-height: 1;
}
@media (max-width: 575px) {
  .xmb-nav .navbar-brand .brand-text { display: none; }
}
.xmb-nav .navbar-toggler {
  display: block !important;
  margin-left: auto;
  border-color: rgba(255,255,255,.55);
  padding: .35rem .6rem;
}
.xmb-nav .navbar-toggler:focus { box-shadow: 0 0 0 .2rem rgba(255,255,255,.25); }
.xmb-nav .nav-link {
  border-radius: 8px;
  padding: .45rem .8rem;
  margin: 0 2px;
  font-weight: 500;
  transition: background-color .15s ease;
}
.xmb-nav .nav-link:hover { background: rgba(255,255,255,.14); }
.xmb-nav .nav-link.active {
  background: rgba(255,255,255,.22);
  font-weight: 600;
}
.xmb-nav .nav-link.dropdown-toggle { background: transparent; }
.xmb-nav .navbar-text { color: rgba(255,255,255,.92) !important; font-weight: 500; }
.xmb-nav .navbar-text .badge.bg-info { background: #7dd3fc !important; color: #06283d !important; }
.xmb-nav .navbar-text .badge.bg-danger { background: #f87171 !important; color: #fff !important; }
.xmb-nav .dropdown-menu {
  border: none;
  border-radius: 10px;
  box-shadow: var(--xmb-shadow);
  padding: .35rem;
  margin-top: 6px;
}
.xmb-nav .dropdown-item { border-radius: 7px; padding: .45rem .7rem; }
.xmb-nav .dropdown-item:hover,
.xmb-nav .dropdown-item:focus { background: var(--xmb-blue-soft); color: var(--xmb-blue-dark); }

/* ===== 移动端折叠菜单样式优化 ===== */
@media (max-width: 767px) {
  .navbar.xmb-nav .collapse.navbar-collapse {
    background: #fff;
    border-radius: 12px;
    margin-top: .6rem;
    padding: .5rem;
    box-shadow: var(--xmb-shadow);
  }
  .navbar.xmb-nav .navbar-nav { padding: .25rem; }
  .navbar.xmb-nav .navbar-nav .nav-link {
    color: var(--xmb-text) !important;
    padding: .55rem .8rem;
    border-radius: 8px;
  }
  .navbar.xmb-nav .navbar-nav .nav-link:hover {
    background: var(--xmb-blue-soft);
    color: var(--xmb-blue-dark) !important;
  }
  .navbar.xmb-nav .navbar-nav .nav-link.active {
    background: var(--xmb-blue);
    color: #fff !important;
  }
  .navbar.xmb-nav .navbar-text {
    color: var(--xmb-text) !important;
    padding: .5rem .8rem;
  }
  .navbar.xmb-nav .dropdown-menu {
    box-shadow: none;
    border: 1px solid var(--xmb-border);
    margin-top: 0;
  }
}

/* ===== 卡片 ===== */
.card {
  border: 1px solid var(--xmb-border);
  border-radius: var(--xmb-radius);
  box-shadow: var(--xmb-shadow);
  background: var(--xmb-card);
}
.card-header {
  background: #fbfcfe;
  border-bottom: 1px solid var(--xmb-border);
  border-radius: var(--xmb-radius) var(--xmb-radius) 0 0 !important;
  font-weight: 600;
  color: var(--xmb-text);
  padding: .75rem 1rem;
}
.card-header i { color: var(--xmb-blue); margin-right: 4px; }

/* ===== 统计卡 ===== */
.stat-card {
  border: 1px solid var(--xmb-border);
  border-left: 4px solid var(--xmb-blue);
  border-radius: var(--xmb-radius);
  box-shadow: var(--xmb-shadow);
  transition: transform .15s ease, box-shadow .15s ease;
}
.stat-card:hover { transform: translateY(-3px); box-shadow: 0 8px 22px rgba(37,99,235,.12); }
.stat-card.warn    { border-left-color: #b45309; background: #fdf6ec; }
.stat-card.ok      { border-left-color: #10b981; }
.stat-card.info    { border-left-color: #5b8bbd; }
.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--xmb-text);
  line-height: 1.2;
}
.stat-label { color: var(--xmb-muted); font-size: .82rem; }

/* ===== 按钮 ===== */
.btn {
  border-radius: 9px;
  font-weight: 500;
  padding: .42rem .9rem;
  transition: all .15s ease;
}
.btn-primary {
  background: var(--xmb-blue);
  border-color: var(--xmb-blue);
  box-shadow: 0 2px 6px rgba(47,88,138,.18);
}
.btn-primary:hover { background: var(--xmb-blue-dark); border-color: var(--xmb-blue-dark); box-shadow: 0 4px 12px rgba(47,88,138,.22); }
.btn-primary:active { background: var(--xmb-blue-dark); }
.btn-outline-primary { color: var(--xmb-blue); border-color: var(--xmb-blue-line); }
.btn-outline-primary:hover { background: var(--xmb-blue-soft); color: var(--xmb-blue-dark); border-color: var(--xmb-blue); }
.btn-outline-secondary { color: var(--xmb-muted); border-color: var(--xmb-border); }
.btn-outline-secondary:hover { background: #f1f3f8; color: var(--xmb-text); }
.btn-sm { border-radius: 7px; padding: .3rem .6rem; }

/* ===== 表格 ===== */
.table { color: var(--xmb-text); }
.table > :not(caption) > * > * { padding: .6rem .75rem; vertical-align: middle; }
.table thead th {
  background: var(--xmb-blue-soft);
  color: var(--xmb-blue-dark);
  font-weight: 600;
  border-bottom: 1px solid var(--xmb-blue-line);
  white-space: nowrap;
  font-size: .85rem;
}
.table-hover > tbody > tr:hover { background: #f5f9ff; }
.table-striped > tbody > tr:nth-of-type(odd) { background: #fafcff; }
.row-negative { background-color: #fde8ea !important; }
.row-warning  { background-color: #fff6e0 !important; }

/* ===== 表单 ===== */
.form-label { font-weight: 500; color: var(--xmb-text); margin-bottom: .3rem; font-size: .88rem; }
.form-control, .form-select {
  border-radius: 9px;
  border-color: var(--xmb-border);
  padding: .45rem .7rem;
  color: var(--xmb-text);
}
.form-control:focus, .form-select:focus {
  border-color: var(--xmb-blue);
  box-shadow: 0 0 0 .2rem rgba(37,99,235,.15);
}
.form-control::placeholder { color: #aab2c4; }
.scan-input { font-size: 1.1rem; letter-spacing: .5px; }

/* ===== 徽章微调 ===== */
.badge { font-weight: 600; border-radius: 6px; padding: .35em .6em; }
.badge.bg-primary { background: var(--xmb-blue) !important; }
.badge.bg-success { background: #10b981 !important; }
.badge.bg-danger  { background: #ef4444 !important; }
.badge.bg-warning { background: #f59e0b !important; color: #fff !important; }
.badge.bg-info    { background: #5b8bbd !important; color: #fff !important; }
.badge.bg-secondary { background: #94a3b8 !important; }

/* ===== 提示框 ===== */
.alert {
  border: none;
  border-left: 4px solid var(--xmb-blue);
  border-radius: 10px;
  background: var(--xmb-blue-soft);
  color: var(--xmb-blue-dark);
}
.alert-danger  { border-left-color: #ef4444; background: #fde8ea; color: #b42318; }
.alert-warning { border-left-color: #f59e0b; background: #fff6e0; color: #92600a; }
.alert-success { border-left-color: #10b981; background: #e7f7f0; color: #067647; }
.alert-info    { border-left-color: #5b8bbd; background: #eef3f8; color: #2f588a; }

/* ===== 杂项 ===== */
.mono { font-family: Consolas, Menlo, "Courier New", monospace; }
.navbar-brand i { margin-right: 0; }
.table-scroll { overflow-x: auto; border-radius: var(--xmb-radius); }
.modal-content { border: none; border-radius: 14px; box-shadow: 0 20px 50px rgba(16,24,40,.2); }
.modal-header { border-bottom: 1px solid var(--xmb-border); }
.modal-footer { border-top: 1px solid var(--xmb-border); }

/* ===== 页脚 ===== */
footer {
  border-top: 1px solid var(--xmb-border);
  background: #fff;
  margin-top: 1.5rem;
  color: var(--xmb-muted);
  letter-spacing: .2px;
}

/* ===== 登录页增强 ===== */
.login-wrap { max-width: 420px; margin-top: 9vh; }
.login-card { border-radius: 16px; border: 1px solid var(--xmb-border); box-shadow: 0 12px 40px rgba(37,99,235,.12); overflow: hidden; }
.login-card .card-header-bar {
  background: linear-gradient(135deg, var(--xmb-blue), var(--xmb-blue-dark));
  color: #fff; padding: 1.4rem 1rem; text-align: center;
}
.login-card .card-header-bar h4 { margin: 0; font-weight: 700; }
.login-card .card-header-bar i { font-size: 2rem; }
.login-card .card-body { padding: 1.75rem; }

/* ===== 打印 ===== */
@media print {
  .no-print, nav.navbar, footer { display: none !important; }
  body { background: #fff !important; }
  .card { box-shadow: none; border: 1px solid #ccc; }
  .table { font-size: 12px; }
}