:root {
  --bg: #f4f6fb;
  --bg-grad-1: #e8edf7;
  --bg-grad-2: #f7f3fb;
  --surface: rgba(255, 255, 255, 0.65);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --border: rgba(20, 30, 60, 0.10);
  --text: #1a2238;
  --text-soft: #5b6478;
  --accent: #4f6ef7;
  --accent-2: #8b5cf6;
  --accent-grad: linear-gradient(135deg, #4f6ef7, #8b5cf6);
  --ok: #18b277;
  --warn: #e0a200;
  --danger: #e5484d;
  --shadow: 0 10px 40px rgba(30, 40, 80, 0.12);
  --radius: 18px;
}
html[data-theme="dark"] {
  --bg: #0c0f1a;
  --bg-grad-1: #11152a;
  --bg-grad-2: #1a1330;
  --surface: rgba(28, 33, 56, 0.6);
  --surface-strong: rgba(30, 36, 62, 0.92);
  --border: rgba(255, 255, 255, 0.10);
  --text: #e9edf8;
  --text-soft: #9aa3bd;
  --accent: #6d86ff;
  --accent-2: #a78bfa;
  --accent-grad: linear-gradient(135deg, #6d86ff, #a78bfa);
  --shadow: 0 12px 48px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 800px at 10% -10%, var(--bg-grad-1), transparent),
              radial-gradient(1000px 700px at 110% 10%, var(--bg-grad-2), transparent),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background .4s ease, color .3s ease;
}
.hidden { display: none !important; }
.muted { color: var(--text-soft); }
.small { font-size: 12px; }
.error { color: var(--danger); font-size: 13px; min-height: 16px; }

.glass {
  background: var(--surface);
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.glass-soft {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 14px;
}

/* ---------- 登录 ---------- */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card { width: 400px; max-width: 100%; padding: 36px; animation: pop .5s cubic-bezier(.16,1,.3,1); }
.brand { display: flex; gap: 14px; align-items: center; margin-bottom: 26px; }
.logo {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--accent-grad);
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 24px;
  box-shadow: 0 8px 20px rgba(79,110,247,.4);
}
.logo.sm { width: 34px; height: 34px; font-size: 16px; border-radius: 10px; }
.login-card h1 { font-size: 19px; letter-spacing: .5px; }
.login-form { display: flex; flex-direction: column; gap: 6px; }
.login-form label { font-size: 13px; color: var(--text-soft); margin-top: 12px; }
.login-form input {
  padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--surface-strong); color: var(--text); font-size: 14px; outline: none;
  transition: border .2s, box-shadow .2s;
}
.login-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,110,247,.18); }
.btn-primary {
  margin-top: 22px; padding: 13px; border: none; border-radius: 12px; cursor: pointer;
  background: var(--accent-grad); color: #fff; font-size: 15px; font-weight: 600;
  box-shadow: 0 10px 24px rgba(79,110,247,.35); letter-spacing: 4px;
}
.demo-accounts { margin-top: 24px; padding: 14px 16px; }
.acc-row { display: flex; justify-content: space-between; padding: 4px 0; font-size: 13px; }
.acc-row code { background: rgba(79,110,247,.12); color: var(--accent); padding: 2px 8px; border-radius: 6px; }

/* ---------- 布局 ---------- */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 230px; flex-shrink: 0; padding: 20px 14px; margin: 14px;
  display: flex; flex-direction: column; position: sticky; top: 14px; height: calc(100vh - 28px);
}
.side-brand { display: flex; gap: 10px; align-items: center; font-weight: 700; padding: 4px 8px 18px; }
#side-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 11px 14px; border-radius: 12px;
  cursor: pointer; color: var(--text-soft); font-size: 14px; transition: all .2s;
  border: 1px solid transparent;
}
.nav-item:hover { background: var(--surface-strong); color: var(--text); transform: translateX(2px); }
.nav-item.active { background: var(--accent-grad); color: #fff; box-shadow: 0 8px 18px rgba(79,110,247,.3); }
.nav-item .ico { font-size: 16px; }
.side-foot { display: flex; gap: 8px; padding-top: 12px; border-top: 1px solid var(--border); }
.icon-btn {
  flex: 1; padding: 9px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface-strong); cursor: pointer; font-size: 15px; color: var(--text);
  transition: transform .2s;
}
.icon-btn:hover { transform: translateY(-2px); }

.main { flex: 1; padding: 14px 22px 40px; min-width: 0; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 16px 22px; margin-bottom: 18px; }
.topbar h2 { font-size: 20px; text-transform: capitalize; }
.user-chip { display: flex; align-items: center; gap: 10px; padding: 8px 14px; }
.role-badge {
  font-size: 11px; padding: 3px 10px; border-radius: 999px; color: #fff; background: var(--accent-grad);
}
/* ---------- 审批状态徽章 ---------- */
.status-badge {
  display: inline-block; font-size: 11px; padding: 3px 10px; border-radius: 999px;
  font-weight: 600; white-space: nowrap; border: 1px solid transparent;
}
.st-pending { color: #b45309; background: rgba(245, 158, 11, .16); border-color: rgba(245, 158, 11, .35); }
.st-ok      { color: #15803d; background: rgba(34, 197, 94, .15);  border-color: rgba(34, 197, 94, .35); }
.st-no      { color: #b91c1c; background: rgba(239, 68, 68, .14);  border-color: rgba(239, 68, 68, .35); }
.page-content { animation: fade .35s ease; }

/* ---------- 卡片/统计 ---------- */
.grid { display: grid; gap: 16px; }
.stat-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin-bottom: 18px; }
.stat-card { padding: 20px; }
.stat-card .label { font-size: 13px; color: var(--text-soft); }
.stat-card .value { font-size: 28px; font-weight: 800; margin-top: 6px; background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-card .sub { font-size: 12px; color: var(--text-soft); margin-top: 4px; }

.panel { padding: 20px; margin-bottom: 16px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.panel-head h3 { font-size: 16px; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { padding: 11px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--text-soft); font-weight: 600; font-size: 12.5px; position: sticky; top: 0; background: var(--surface-strong); }
tbody tr { transition: background .15s; }
tbody tr:hover { background: var(--surface-strong); }
td.num { font-variant-numeric: tabular-nums; text-align: right; }
.amount { color: var(--accent); font-weight: 700; }

/* ---------- 按钮/表单 ---------- */
.btn {
  padding: 9px 16px; border-radius: 10px; border: 1px solid var(--border); cursor: pointer;
  background: var(--surface-strong); color: var(--text); font-size: 13px; transition: all .2s;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn.accent { background: var(--accent-grad); color: #fff; border: none; }
.btn.danger { color: var(--danger); border-color: rgba(229,72,77,.3); }
.btn.sm { padding: 6px 12px; font-size: 12px; }
.magnetic { transition: transform .25s cubic-bezier(.16,1,.3,1); }
.magnetic:hover { transform: scale(1.03) translateY(-2px); }

.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; align-items: center; }
.filters select, .filters input {
  padding: 9px 12px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface-strong); color: var(--text); font-size: 13px; outline: none;
}
.filters select:focus, .filters input:focus { border-color: var(--accent); }

/* ---------- 模态框 ---------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(10,14,30,.5); backdrop-filter: blur(4px);
  display: grid; place-items: center; z-index: 50; animation: fade .2s;
}
.modal { width: 560px; max-width: 92vw; max-height: 88vh; overflow-y: auto; padding: 24px; }
.modal h3 { margin-bottom: 16px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 12.5px; color: var(--text-soft); }
.field input, .field select, .field textarea {
  padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface-strong); color: var(--text); font-size: 13.5px; outline: none; font-family: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,110,247,.15); }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* ---------- 提示 ---------- */
.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg); padding: 12px 22px; border-radius: 12px;
  font-size: 13.5px; opacity: 0; pointer-events: none; transition: all .3s; z-index: 99; box-shadow: var(--shadow);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.empty { text-align: center; color: var(--text-soft); padding: 40px; }

@keyframes pop { from { opacity: 0; transform: scale(.95) translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

/* ---------- 选项卡(seg) ---------- */
.seg { display: inline-flex; gap: 4px; padding: 4px; border-radius: 14px; background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(20px); flex-wrap: wrap; }
.seg-btn {
  padding: 9px 16px; border: none; border-radius: 10px; cursor: pointer; font-size: 13.5px;
  background: transparent; color: var(--text-soft); transition: all .2s;
}
.seg-btn:hover { color: var(--text); background: var(--surface-strong); }
.seg-btn.active { background: var(--accent-grad); color: #fff; box-shadow: 0 6px 16px rgba(79,110,247,.3); }

/* 分页 */
.pager { display: flex; align-items: center; gap: 12px; justify-content: flex-end; margin-top: 14px; }
.pager .btn[disabled] { opacity: .45; cursor: not-allowed; }
.alert-banner { padding: 14px 18px; border-radius: 14px; border: 1px solid rgba(224,162,0,.4);
  background: linear-gradient(135deg, rgba(224,162,0,.12), rgba(229,72,77,.10)); margin-bottom: 16px; }
.alert-banner.danger { border-color: rgba(229,72,77,.5); }
.alert-title { font-weight: 700; color: var(--warn); display: flex; align-items: center; gap: 8px; }
.alert-banner.danger .alert-title { color: var(--danger); }

/* 响应式 */
@media (max-width: 760px) {
  .sidebar { position: fixed; z-index: 40; transform: translateX(-110%); transition: transform .3s; }
  .sidebar.open { transform: none; }
  .form-grid { grid-template-columns: 1fr; }
  .main { padding: 14px; }
}