:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --line: #dce3ef;
  --text: #172033;
  --muted: #667085;
  --primary: #1769e0;
  --primary-strong: #0f4fb0;
  --green: #12805c;
  --amber: #b7791f;
  --radius: 8px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  flex: 0 0 240px;
  background: #111827;
  color: #fff;
  padding: 20px 14px;
}
.brand { display: flex; gap: 12px; align-items: center; padding: 6px 8px 22px; }
.brand-mark {
  width: 40px; height: 40px; display: grid; place-items: center;
  background: var(--primary); border-radius: var(--radius); font-weight: 700;
}
.brand strong { display: block; font-size: 18px; }
.brand span { display: block; color: #a9b4c7; font-size: 12px; margin-top: 3px; }
.nav { display: grid; gap: 4px; }
.nav a {
  color: #d8deea; padding: 11px 12px; border-radius: var(--radius);
  transition: background .16s ease, color .16s ease;
}
.nav a.active, .nav a:hover { background: #223047; color: #fff; }

.main { min-width: 0; flex: 1; padding: 22px; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px;
}
.topbar h1 { margin: 0; font-size: 24px; letter-spacing: 0; }
.topbar p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }

.btn {
  border: 1px solid var(--line); background: #fff; color: var(--text);
  border-radius: 6px; padding: 9px 13px; cursor: pointer; display: inline-flex;
  align-items: center; justify-content: center; min-height: 38px;
}
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-strong); }
.btn.ghost { background: transparent; color: var(--muted); }
.btn.full { width: 100%; }
.text-link { color: var(--primary); font-size: 14px; }

.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px; margin-bottom: 16px;
}
.panel-head, .toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 14px;
}
.panel h2, .toolbar h2 { margin: 0; font-size: 17px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.stats-grid {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px; margin-bottom: 16px;
}
.stat {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px;
}
.stat span { color: var(--muted); font-size: 13px; }
.stat strong { display: block; margin-top: 8px; font-size: 30px; }

.content-grid { display: grid; gap: 16px; }
.content-grid.two { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }

.bars { display: grid; gap: 13px; }
.bar-row { display: grid; grid-template-columns: 80px 1fr 72px; align-items: center; gap: 10px; }
.bar-row span { color: var(--muted); }
.bar { height: 10px; background: #edf2f8; border-radius: 999px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--primary); }

.task-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.task-list li { display: flex; gap: 10px; align-items: center; }
.task-list span { width: 9px; height: 9px; background: var(--green); border-radius: 50%; }

.search { display: flex; gap: 8px; min-width: min(560px, 100%); }
.search input, .form-grid input, .form-grid select, .form-grid textarea, .login-card input {
  width: 100%; border: 1px solid var(--line); border-radius: 6px; padding: 10px 11px;
  background: #fff; outline: none;
}
.search input:focus, .form-grid input:focus, .form-grid textarea:focus, .login-card input:focus {
  border-color: var(--primary);
}

.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; min-width: 920px; background: #fff; }
th, td { padding: 11px 12px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { background: #f8fafc; color: #475467; font-size: 13px; font-weight: 600; }
td { font-size: 14px; }
tr:last-child td { border-bottom: 0; }
.row-actions { display: flex; gap: 10px; color: var(--primary); }
.badge { display: inline-flex; padding: 3px 8px; border-radius: 999px; background: #e8f2ff; color: var(--primary-strong); font-size: 12px; }
.badge.muted { background: #f3f4f6; color: #4b5563; }

.detail { display: grid; grid-template-columns: 110px 1fr; gap: 11px 14px; margin: 0; }
.detail dt { color: var(--muted); }
.detail dd { margin: 0; }
.note { color: var(--muted); line-height: 1.7; }

.form-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.form-grid label { display: grid; gap: 6px; color: #344054; font-size: 14px; }
.form-grid .wide { grid-column: 1 / -1; }
.form-grid textarea { min-height: 98px; resize: vertical; }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; }

.steps { display: grid; gap: 10px; margin-bottom: 16px; }
.steps p { margin: 0; color: var(--muted); }
.steps strong {
  display: inline-grid; place-items: center; width: 24px; height: 24px;
  border-radius: 50%; background: #e8f2ff; color: var(--primary); margin-right: 8px;
}

.login-page {
  min-height: 100vh; display: grid; place-items: center; padding: 28px;
  background: linear-gradient(135deg, #e8f2ff 0%, #f7fafc 42%, #eef7f2 100%);
}
.login-panel {
  width: min(980px, 100%); display: grid; grid-template-columns: 1.15fr 420px;
  gap: 28px; align-items: center;
}
.login-copy h1 { font-size: 44px; margin: 10px 0; letter-spacing: 0; }
.login-copy p { color: #475467; font-size: 18px; line-height: 1.7; max-width: 560px; }
.eyebrow { color: var(--primary); font-weight: 700; }
.login-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: 0 20px 50px rgba(16, 24, 40, .10);
}
.login-card h2 { margin: 0 0 18px; }
.login-card label { display: grid; gap: 7px; margin-bottom: 14px; color: #344054; }
.hint { color: var(--muted); font-size: 13px; margin: 12px 0 0; }
.alert { padding: 10px 12px; border-radius: 6px; background: #fff1f2; color: #b42318; margin-bottom: 14px; }

@media (max-width: 980px) {
  .shell { display: block; }
  .sidebar { width: 100%; }
  .nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stats-grid, .content-grid.two, .login-panel, .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .main { padding: 14px; }
  .topbar, .toolbar, .panel-head { align-items: flex-start; flex-direction: column; }
  .search { width: 100%; flex-direction: column; }
  .nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .login-copy h1 { font-size: 34px; }
}