:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1c1f24;
  --muted: #667085;
  --line: #e6e8ec;
  --green: #178a32;
  --green-dark: #0f6b26;
  --danger: #c2410c;
  --warn: #b45309;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
}

button, input, textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: #111827;
  color: #fff;
}

.brand {
  font-size: 18px;
  font-weight: 700;
}

.topbar button {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 8px;
  padding: 6px 12px;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.tabs button {
  border: 0;
  background: #fff;
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 14px;
}

.tabs button.active {
  background: var(--green);
  color: #fff;
}

.grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.card, .panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.card {
  padding: 16px;
}

.card .num {
  font-size: 28px;
  font-weight: 700;
  margin-top: 6px;
}

.card .label, .hint, .empty {
  color: var(--muted);
  font-size: 13px;
}

.panel {
  padding: 16px;
  margin-top: 16px;
}

.row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

input[type="text"], input[type="password"], input[type="number"], textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  background: #fff;
}

textarea { min-height: 88px; resize: vertical; }

label {
  display: block;
  margin: 12px 0;
}

label span {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--muted);
}

.btn {
  border: 0;
  border-radius: 10px;
  padding: 9px 14px;
  background: var(--green);
  color: #fff;
}

.btn:disabled { opacity: 0.6; cursor: default; }

.btn.secondary { background: #eef2f6; color: var(--text); }
.btn.warn { background: #fff7ed; color: var(--warn); }
.btn.danger { background: #fff1eb; color: var(--danger); }

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 14px;
}

th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th { color: var(--muted); font-weight: 600; }

.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
}

.login-card {
  max-width: 420px;
  margin: 12vh auto;
  background: #fff;
  border-radius: 16px;
  padding: 28px;
  border: 1px solid var(--line);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: #111827;
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  display: none;
}

.progress {
  height: 8px;
  background: #e8edf2;
  border-radius: 99px;
  overflow: hidden;
  margin-top: 8px;
  display: none;
}

.progress > div {
  height: 100%;
  width: 0;
  background: var(--green);
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
}

.check input { width: auto; }

@media (max-width: 800px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .topbar, .wrap { padding-left: 14px; padding-right: 14px; }
}