/* ================================================================
   销售分佣系统 · 设计系统 v5
   浅蓝白磨砂主题：玻璃拟态 + 浅蓝渐变 + 圆角卡片
   ================================================================ */

:root {
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-soft: #dbeafe;
  --primary-softer: #eff6ff;
  --primary-grad: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
  --primary-grad-2: linear-gradient(135deg, #60a5fa, #2563eb);

  /* 浅蓝白磨砂：半透明白玻璃 */
  --glass-bg: rgba(255, 255, 255, .72);
  --glass-bg-strong: rgba(255, 255, 255, .86);
  --glass-border: rgba(255, 255, 255, .65);
  --sidebar-glass: rgba(255, 255, 255, .68);
  --sidebar-border: rgba(59, 130, 246, .14);

  --sidebar-text: #445a7a;
  --sidebar-text-hover: #3b82f6;
  --sidebar-text-dim: #7a90b8;
  --sidebar-active-bg: rgba(59, 130, 246, .1);
  --sidebar-active-text: #2563eb;

  --bg: #f0f7ff;
  --bg-grad: linear-gradient(160deg, #f4f9ff 0%, #e3f0ff 40%, #e8f4ff 100%);
  --card: rgba(255, 255, 255, .72);
  --card-solid: #ffffff;
  --text: #1e3a5f;
  --text-2: #5a7290;
  --text-3: #94a8c2;
  --border: rgba(59, 130, 246, .10);
  --border-strong: rgba(59, 130, 246, .18);

  --success: #16a34a; --success-bg: #e8f7ee;
  --warning: #d97706; --warning-bg: #fdf4e2;
  --danger: #dc2626;  --danger-bg: #fdecec;
  --info: #3b82f6;    --info-bg: #e0f2fe;

  --radius-card: 24px;
  --radius-ctl: 12px;
  --shadow-card: 0 8px 32px rgba(59, 130, 246, .08), 0 1px 2px rgba(59, 130, 246, .05);
  --shadow-pop: 0 18px 44px rgba(59, 130, 246, .16);

  --ease: cubic-bezier(.25, .8, .3, 1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(900px 500px at 8% -8%, rgba(96, 165, 250, .12), transparent 60%),
    radial-gradient(800px 500px at 105% 110%, rgba(59, 130, 246, .12), transparent 60%),
    var(--bg-grad);
  background-attachment: fixed;
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: none; }
img { max-width: 100%; }

.stat-value, .data-table td.num, .money { font-variant-numeric: tabular-nums; }

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

.sidebar {
  width: 264px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.82), rgba(240,248,255,.66)),
    radial-gradient(600px 300px at 10% -10%, rgba(96,165,250,.18), transparent 60%),
    radial-gradient(500px 300px at 100% 100%, rgba(59,130,246,.12), transparent 60%);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border-right: 1px solid var(--sidebar-border);
  color: var(--sidebar-text);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(59,130,246,.2) transparent;
}
.sidebar::-webkit-scrollbar { width: 5px; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(59,130,246,.18); border-radius: 99px; }

.brand { display: flex; align-items: center; gap: 12px; padding: 22px 18px 16px; }
.brand-mark {
  width: 42px; height: 42px; flex-shrink: 0;
  background: var(--primary-grad);
  border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 19px; font-weight: 700;
  box-shadow: 0 8px 20px rgba(59, 130, 246, .4), inset 0 1px 0 rgba(255,255,255,.3);
}
.brand-name { font-size: 15px; font-weight: 700; color: var(--text); line-height: 1.3; letter-spacing: .2px; }
.brand-sub { font-size: 11px; color: var(--sidebar-text-dim); margin-top: 3px; }

.side-user {
  margin: 0 14px 12px;
  padding: 11px 12px;
  background: rgba(255,255,255,.55);
  border: 1px solid var(--sidebar-border);
  border-radius: 14px;
  display: flex; align-items: center; gap: 10px;
  backdrop-filter: blur(8px);
}
.avatar {
  width: 34px; height: 34px; flex-shrink: 0;
  border-radius: 12px;
  background: var(--primary-grad);
  color: #fff; font-size: 13px; font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
}
.side-user .su-name { font-size: 13px; font-weight: 650; color: var(--text); line-height: 1.3; }
.side-user .su-role { font-size: 11px; color: var(--sidebar-text-dim); margin-top: 2px; }

.sidebar nav { padding: 8px 0 22px; flex: 1; }
.sidebar nav a {
  display: flex; align-items: center; gap: 11px;
  margin: 3px 12px;
  padding: 10px 14px;
  border-radius: 13px;
  color: var(--sidebar-text);
  font-size: 13.5px;
  position: relative;
  transition: background .16s var(--ease), color .16s var(--ease), transform .16s var(--ease);
}
.sidebar nav a svg { width: 18px; height: 18px; flex-shrink: 0; opacity: .92; }
.sidebar nav a:hover { background: rgba(59,130,246,.07); color: var(--sidebar-text-hover); transform: translateX(2px); }
.sidebar nav a.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(59,130,246,.16);
}
.sidebar nav a.active::before {
  content: ""; position: absolute; left: -12px; top: 50%;
  width: 4px; height: 22px; transform: translateY(-50%);
  background: var(--primary-grad); border-radius: 0 4px 4px 0;
}
.sidebar nav a.active svg { opacity: 1; }

/* 分组折叠菜单 */
.sidebar nav .nav-group { margin: 2px 10px; }
.sidebar nav .nav-group-title {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  margin: 4px 2px;
  border-radius: 10px;
  color: var(--sidebar-text-dim);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
  transition: color .15s var(--ease), background .15s var(--ease);
}
.sidebar nav .nav-group-title:hover { color: var(--sidebar-text-hover); background: rgba(59,130,246,.06); }
.sidebar nav .nav-group-caret { display: inline-block; width: 14px; transition: transform .18s var(--ease); font-size: 10px; }
.sidebar nav .nav-group.open .nav-group-caret { transform: rotate(90deg); }
.sidebar nav .nav-group-body { display: none; }
.sidebar nav .nav-group.open .nav-group-body { display: block; }
.sidebar nav .nav-group-body a { padding-left: 26px; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
  position: sticky; top: 10px; z-index: 50;
  margin: 12px 22px 0;
  height: 60px;
  background: var(--glass-bg-strong);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
  padding: 0 20px;
  display: flex; align-items: center; gap: 14px;
}
.topbar .menu-toggle {
  display: none; background: none; border: none; cursor: pointer;
  font-size: 19px; color: var(--text-2); padding: 4px 6px; border-radius: 9px;
}
.topbar .menu-toggle:hover { background: var(--primary-soft); }
.page-title { font-size: 15.5px; font-weight: 700; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
.topbar-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.topbar-user { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--text-2); }
.topbar-user .avatar { width: 30px; height: 30px; font-size: 12px; border-radius: 10px; }
.btn-logout {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text-2);
  border: 1px solid var(--border-strong); background: rgba(255,255,255,.6);
  border-radius: var(--radius-ctl);
  padding: 6px 13px;
  transition: all .15s var(--ease);
}
.btn-logout:hover { color: var(--danger); border-color: #f3c6c6; background: #fffafa; }
.btn-logout svg { width: 14px; height: 14px; }

.content {
  padding: 26px 30px 34px;
  flex: 1;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  animation: content-in .4s var(--ease) both;
}
@keyframes content-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ 卡片 ============ */
.card {
  background: var(--card);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  overflow: hidden;
}
.card-header {
  padding: 16px 22px;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 10px;
  background: rgba(255,255,255,.4);
  cursor: default;
}
/* 可折叠卡片 */
.card.collapsible .card-header { cursor: pointer; user-select: none; }
.card.collapsible .card-header:hover { background: rgba(219,234,254,.5); }
.card-header .collapse-caret {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 7px;
  color: var(--text-3); transition: transform .18s var(--ease), background .18s var(--ease);
}
.card.collapsible .card-header:hover .collapse-caret { background: var(--primary-soft); color: var(--primary); }
.card.collapsed .collapse-caret { transform: rotate(-90deg); }
.card.collapsed .card-body { display: none; }
.card-title { font-size: 15px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 9px; }
.card-title .ct-sub { font-size: 12px; color: var(--text-3); font-weight: 400; }
.card-body { padding: 22px; }

/* ============ KPI 统计 ============ */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 22px; }
.stat-card {
  background: var(--card);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 20px 22px;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--primary-grad);
  opacity: 0; transition: opacity .2s var(--ease);
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-pop); }
.stat-card:hover::after { opacity: 1; }
.stat-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.stat-icon {
  width: 42px; height: 42px; border-radius: 13px;
  display: inline-flex; align-items: center; justify-content: center;
}
.stat-icon svg { width: 20px; height: 20px; }
.stat-icon.tint-primary { background: linear-gradient(135deg, #e0f2fe, #dbeafe); color: var(--primary); }
.stat-icon.tint-warning { background: linear-gradient(135deg, #fdf4e2, #faecc9); color: var(--warning); }
.stat-icon.tint-success { background: linear-gradient(135deg, #e8f7ee, #d4f3e0); color: var(--success); }
.stat-icon.tint-info    { background: linear-gradient(135deg, #e0f2fe, #dbeafe); color: var(--info); }
.stat-label { font-size: 13px; color: var(--text-2); }
.stat-value { font-size: 28px; font-weight: 700; color: var(--text); line-height: 1.25; letter-spacing: -.3px; }
.stat-value.small { font-size: 21px; }
.stat-foot { font-size: 12px; color: var(--text-3); margin-top: 5px; }

/* ============ 快捷入口卡 ============ */
.quick-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.quick-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--card);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: 16px; padding: 17px 18px;
  transition: all .18s var(--ease);
}
.quick-card:hover { border-color: #d8b9ff; box-shadow: var(--shadow-pop); transform: translateY(-2px); }
.quick-card .q-icon {
  width: 44px; height: 44px; flex-shrink: 0; border-radius: 13px;
  background: linear-gradient(135deg, var(--primary-softer), var(--primary-soft)); color: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
}
.quick-card .q-icon svg { width: 22px; height: 22px; }
.quick-card .q-title { font-size: 14px; font-weight: 650; color: var(--text); }
.quick-card .q-desc { font-size: 12px; color: var(--text-3); margin-top: 2px; }
.quick-card .q-arrow { margin-left: auto; color: var(--text-3); font-size: 16px; transition: transform .18s var(--ease), color .18s var(--ease); }
.quick-card:hover .q-arrow { transform: translateX(3px); color: var(--primary); }

/* ============ 提醒条 ============ */
.todo-bar {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: linear-gradient(90deg, rgba(253,244,226,.9), rgba(251,236,203,.9));
  border: 1px solid #f0d9ab;
  color: #8a5a0c; border-radius: 14px; padding: 13px 18px; margin-bottom: 18px;
  font-size: 13.5px;
  backdrop-filter: blur(10px);
}
.todo-bar svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--warning); }
.todo-bar .todo-items { display: flex; gap: 18px; flex-wrap: wrap; flex: 1; }
.todo-bar a { color: #8a5a0c; font-weight: 600; border-bottom: 1px dashed #d8b36a; }
.todo-bar a:hover { border-bottom-style: solid; }
.todo-clear { font-size: 12.5px; color: #b0882f; }

/* ============ 表格 ============ */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }
.data-table { width: 100%; border-collapse: separate; border-spacing: 0; background: transparent; }
.data-table th, .data-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
  font-size: 13.5px;
}
.data-table th {
  background: rgba(219,234,254,.45);
  color: var(--text-2);
  font-weight: 650;
  font-size: 12.5px;
  position: sticky; top: 0; z-index: 1;
}
.data-table th:first-child { border-radius: 10px 0 0 10px; }
.data-table th:last-child { border-radius: 0 10px 10px 0; }
.data-table tbody tr { transition: background .12s var(--ease); }
.data-table tbody tr:hover { background: rgba(219,234,254,.35); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ============ 徽章 ============ */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.55;
}
.badge::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; opacity: .85; }
.badge-pending  { background: var(--warning-bg); color: var(--warning); }
.badge-approved { background: var(--success-bg); color: var(--success); }
.badge-rejected { background: var(--danger-bg);  color: var(--danger); }
.badge-active   { background: var(--info-bg);    color: var(--info); }
.badge-disabled { background: #f0edf6; color: var(--text-3); }
.badge-paid     { background: var(--success-bg); color: var(--success); }
.badge-disabled::before { background: var(--text-3); }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 17px;
  border-radius: var(--radius-ctl);
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 500;
  text-align: center;
  line-height: 1.5;
  transition: all .15s var(--ease);
  vertical-align: middle;
}
.btn:active { transform: scale(.975); }
.btn-primary { background: var(--primary-grad-2); color: #fff; box-shadow: 0 3px 10px rgba(59, 130, 246, .3); }
.btn-primary:hover { background: linear-gradient(135deg, #60a5fa, #3b82f6); color: #fff; box-shadow: 0 6px 18px rgba(59, 130, 246, .4); }
.btn-danger { background: var(--danger); color: #fff; box-shadow: 0 2px 6px rgba(220,38,38,.25); }
.btn-danger:hover { background: #b91c1c; color: #fff; }
.btn-success { background: var(--success); color: #fff; box-shadow: 0 2px 6px rgba(22,163,74,.25); }
.btn-success:hover { background: #128a46; color: #fff; }
.btn-warning { background: var(--warning); color: #fff; box-shadow: 0 2px 6px rgba(217,119,6,.25); }
.btn-warning:hover { background: #b45309; color: #fff; }
.btn-secondary { background: rgba(255,255,255,.7); color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-softer); }
.btn-sm { padding: 4px 11px; font-size: 12.5px; border-radius: 9px; }
.btn:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }

/* ============ 表单 ============ */
.form-row { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 16px; }
.form-group { flex: 1; min-width: 220px; }
.form-group label { display: block; margin-bottom: 7px; font-weight: 550; font-size: 13px; color: var(--text-2); }
.form-control {
  width: 100%;
  padding: 10px 13px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-ctl);
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: rgba(255,255,255,.8);
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.form-control::placeholder { color: var(--text-3); }
.form-control:hover { border-color: #c9b3ea; }
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3.5px rgba(59, 130, 246, .14);
  background: #fff;
}
textarea.form-control { resize: vertical; min-height: 84px; }
select.form-control { height: 42px; }
.form-hint { font-size: 12px; color: var(--text-3); margin-top: 5px; }
.text-muted { color: var(--text-3); font-size: 12px; }

/* 带图标的输入框 */
.input-icon { position: relative; }
.input-icon svg {
  position: absolute; left: 13px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--text-3); pointer-events: none;
}
.input-icon .form-control { padding-left: 40px; }

/* ============ 提醒 ============ */
.alert {
  padding: 12px 16px;
  border-radius: 13px;
  margin-bottom: 16px;
  font-size: 13.5px;
  border: 1px solid transparent;
  line-height: 1.6;
}
.alert-danger  { background: var(--danger-bg);  color: #9f1d1d; border-color: #f5c9c9; }
.alert-success { background: var(--success-bg); color: #0f7a3d; border-color: #c3ecd6; }
.alert-warning { background: var(--warning-bg); color: #8a5a0c; border-color: #f0d9ab; }
.alert-info    { background: var(--info-bg);    color: #2563eb; border-color: #e0c8ff; }

/* ============ 图片缩略 ============ */
.qr-thumb { max-width: 80px; max-height: 80px; border: 1px solid var(--border); border-radius: 10px; padding: 2px; background: #fff; }
.license-thumb { max-width: 120px; border: 1px solid var(--border); border-radius: 10px; padding: 2px; background: #fff; }

/* ============ 运营中心 Tabs ============ */
.tabs { display: flex; gap: 8px; margin-bottom: 16px; border-bottom: 1px solid var(--border); overflow-x: auto; }
.tabs a {
  padding: 10px 18px; text-decoration: none; color: var(--text-2);
  border-bottom: 2px solid transparent; white-space: nowrap; font-size: 13.5px;
  transition: color .15s var(--ease), border-color .15s var(--ease);
}
.tabs a:hover { color: var(--primary); }
.tabs a.on { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

.store-list {
  display: flex; flex-wrap: wrap; gap: 8px; max-height: 260px; overflow: auto;
  border: 1px solid var(--border); border-radius: 13px; padding: 12px; background: rgba(250,245,255,.7);
}
.store-check {
  display: flex; align-items: center; gap: 7px; width: 32%; min-width: 230px;
  font-size: 13px; padding: 6px 8px; border-radius: 9px; cursor: pointer;
  background: #fff; border: 1px solid var(--border);
}
.store-check:hover { border-color: #d8b9ff; }
.store-check input[type="checkbox"] { accent-color: var(--primary); width: 15px; height: 15px; }
@media (max-width: 768px) { .store-check { width: 100%; } }

/* ============ 登录页：白紫极光玻璃 ============ */
.login-body {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 620px at 12% -12%, rgba(96, 165, 250, .35), transparent 58%),
    radial-gradient(820px 620px at 108% 112%, rgba(59, 130, 246, .42), transparent 58%),
    radial-gradient(500px 400px at 85% -10%, rgba(147,197,253,.25), transparent 60%),
    linear-gradient(152deg, #f4f9ff 0%, #e3f0ff 45%, #e8f4ff 100%);
  padding: 24px;
}
.login-body::before, .login-body::after {
  content: ""; position: fixed; border-radius: 50%;
  filter: blur(70px); opacity: .45; z-index: 0; pointer-events: none;
}
.login-body::before {
  width: 460px; height: 460px; left: -120px; bottom: -140px;
  background: radial-gradient(circle, rgba(96,165,250,.5), transparent 70%);
  animation: aurora-a 12s ease-in-out infinite alternate;
}
.login-body::after {
  width: 420px; height: 420px; right: -100px; top: -120px;
  background: radial-gradient(circle, rgba(59,130,246,.45), transparent 70%);
  animation: aurora-b 14s ease-in-out infinite alternate;
}
@keyframes aurora-a { from { transform: translate(0,0) scale(1); } to { transform: translate(60px, 40px) scale(1.15); } }
@keyframes aurora-b { from { transform: translate(0,0) scale(1); } to { transform: translate(-50px, -30px) scale(1.1); } }

.login-box {
  position: relative; z-index: 1;
  width: 100%; max-width: 408px;
  padding: 48px 40px 34px;
  border-radius: 26px;
  background: rgba(255,255,255,.55);
  backdrop-filter: blur(26px) saturate(160%);
  -webkit-backdrop-filter: blur(26px) saturate(160%);
  border: 1px solid rgba(255,255,255,.7);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.6),
    0 28px 80px rgba(59, 130, 246, .2);
  animation: login-in .6s cubic-bezier(.22, 1, .36, 1) both;
}
@keyframes login-in {
  from { opacity: 0; transform: translateY(20px) scale(.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.login-box-head { text-align: center; margin-bottom: 30px; }
.login-box-head .brand-mark {
  width: 58px; height: 58px; font-size: 27px; border-radius: 19px;
  margin: 0 auto 20px;
  background: var(--primary-grad);
  box-shadow: 0 12px 30px rgba(59, 130, 246, .45), inset 0 1px 0 rgba(255,255,255,.3);
}
.login-box-head h2 { font-size: 24px; font-weight: 700; color: var(--text); margin: 0 0 7px; letter-spacing: .5px; }
.login-box-head p { font-size: 13.5px; color: var(--text-2); margin: 0; }

.login-box .form-group { min-width: 100%; }
.login-box .form-group label { color: var(--text-2); font-size: 13px; }
.login-box .form-control {
  background: rgba(255,255,255,.7);
  border-color: rgba(59, 130, 246, .16);
  color: var(--text);
  border-radius: 13px;
  padding: 12px 14px;
}
.login-box .input-icon svg { color: var(--text-3); }
.login-box .form-control::placeholder { color: var(--text-3); }
.login-box .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.16);
  background: #fff;
}
.login-box .btn {
  height: 48px; font-size: 15px; font-weight: 600; width: 100%; margin-top: 8px;
  border-radius: 14px;
  background: var(--primary-grad-2);
  box-shadow: 0 12px 26px rgba(59,130,246,.4);
  letter-spacing: 2px;
}
.login-box .btn:hover { background: linear-gradient(135deg, #60a5fa, #3b82f6); box-shadow: 0 14px 32px rgba(59,130,246,.5); transform: translateY(-1px); }
.login-box .alert-danger {
  background: rgba(220,38,38,.12);
  border-color: rgba(248,113,113,.3);
  color: #b91c1c; border-radius: 13px;
}
.login-foot { text-align: center; font-size: 12px; color: var(--text-3); margin-top: 28px; }

@media (prefers-reduced-transparency: reduce) {
  .login-box { background: #eff6ff; backdrop-filter: none; -webkit-backdrop-filter: none; }
}

/* ============ 移动端 ============ */
.sidebar-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(30, 64, 175, .35);
  z-index: 90;
  backdrop-filter: blur(2px);
}
.sidebar-backdrop.show { display: block; }

@media (max-width: 1080px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }

@media (max-width: 860px) {
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .layout { flex-direction: column; }
  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: 252px; z-index: 100;
    transform: translateX(-105%);
    transition: transform .28s var(--ease);
    height: 100%;
    box-shadow: var(--shadow-pop);
    background: rgba(255,255,255,.9);
  }
  .sidebar.open { transform: translateX(0); }
  .topbar .menu-toggle { display: inline-flex; align-items: center; }
  .topbar { margin: 10px 12px 0; padding: 0 14px; height: 56px; }
  .page-title { font-size: 14.5px; }
  .btn-logout { padding: 5px 10px; font-size: 12px; }
  .topbar-user .avatar { width: 27px; height: 27px; }
  .content { padding: 16px 14px 22px; }
  .form-row { flex-direction: column; gap: 0; }
  .form-group { min-width: 100%; margin-bottom: 14px; }
  .card-header { flex-direction: column; align-items: stretch; }
  .card-header form { width: 100%; flex-wrap: wrap; display: flex; gap: 8px; }
  .card-header form .form-control { flex: 1; min-width: 130px; }
  .card-header form .btn { flex: 0 0 auto; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 15px; }
  .stat-value { font-size: 22px; }
  .data-table th, .data-table td { padding: 9px 10px; font-size: 12.5px; }

  .table-wrap { overflow-x: visible; }
  .data-table, .data-table tbody { display: block; width: 100%; }
  .data-table thead { display: none; }
  .data-table tbody tr {
    display: block; border: 1px solid var(--border); border-radius: 14px;
    margin-bottom: 12px; padding: 4px 14px; box-shadow: var(--shadow-card);
    background: rgba(255,255,255,.6);
  }
  .data-table tbody tr:hover { background: rgba(255,255,255,.8); }
  .data-table td {
    display: flex; align-items: center; justify-content: space-between;
    gap: 8px 12px; flex-wrap: wrap; border-bottom: 1px dashed #f0eaf7;
    padding: 9px 0; white-space: normal; font-size: 13px;
  }
  .data-table td:last-child { border-bottom: none; }
  .data-table td::before { content: attr(data-label); color: var(--text-3); font-size: 12px; font-weight: 500; flex-shrink: 0; }
  .data-table td:not([data-label]) { justify-content: flex-start; }
  .data-table td:not([data-label])::before { content: none; }
  .data-table td .btn { margin: 0; }
  .btn { min-height: 38px; }
  .btn-sm { min-height: 30px; }
  .card-body { padding: 16px; }
  .topbar-user .u-name { display: none; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .quick-grid { grid-template-columns: 1fr; }
  .btn { width: 100%; margin-bottom: 6px; }
  .btn-sm { width: auto; margin-bottom: 0; }
  .card-header form .btn { width: auto; }
  .stat-value { font-size: 24px; }
  .login-box-head h2 { font-size: 20px; }
  .login-box { padding: 38px 26px 28px; }
  .data-table tbody tr { margin-bottom: 10px; padding: 4px 12px; }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .stat-card:hover, .quick-card:hover { transform: none; }
}