:root {
  --bg: #f4f6f2;
  --card: #ffffff;
  --text: #1f2a1f;
  --muted: #6b7a6b;
  --brand: #2f7d32;
  --brand-dark: #246628;
  --danger: #c62828;
  --border: #d9e2d6;
  --nav-h: 56px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.45;
}

a { color: var(--brand); text-decoration: none; }

.app-shell {
  min-height: 100vh;
  padding-bottom: calc(var(--nav-h) + 16px);
}

.app-header {
  background: var(--brand);
  color: #fff;
  padding: 14px 16px;
  font-size: 18px;
  font-weight: 600;
}

.app-main {
  padding: 16px;
  max-width: 560px;
  margin: 0 auto;
}

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--nav-h);
  background: var(--card);
  border-top: 1px solid var(--border);
  display: flex;
  z-index: 20;
}

.bottom-nav a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 14px;
  min-height: 44px;
}

.bottom-nav a.active {
  color: var(--brand);
  font-weight: 600;
}

.card {
  background: var(--card);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  width: 100%;
  padding: 12px 16px;
  border: none;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
}

.btn:active { background: var(--brand-dark); }

.btn-secondary {
  background: #e8f0e8;
  color: var(--brand-dark);
}

.btn-block { width: 100%; margin-top: 10px; }

.form-group { margin-bottom: 14px; }

.form-group label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 16px;
  background: #fff;
}

.error-list {
  color: var(--danger);
  background: #fdecea;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 12px;
  font-size: 14px;
}

.status-ok {
  color: var(--brand-dark);
  background: #e8f5e9;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 12px;
}

.muted { color: var(--muted); font-size: 14px; }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(160deg, #e8f5e9 0%, #f4f6f2 45%, #fff 100%);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  border: 1px solid var(--border);
}

.login-card h1 {
  margin: 0 0 8px;
  font-size: 24px;
  color: var(--brand-dark);
}

.quick-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.quick-grid .btn {
  font-size: 15px;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.stat {
  background: #f7faf6;
  border-radius: 10px;
  padding: 10px 12px;
}

.stat-label {
  color: var(--muted);
  font-size: 13px;
}

.stat-value {
  font-size: 18px;
  font-weight: 700;
  margin-top: 2px;
}

.stat-value.ok { color: var(--brand-dark); }
.stat-value.bad { color: var(--danger); }

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #f7faf6;
  color: var(--text);
  font-size: 14px;
}

.chip.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  font-weight: 600;
}

.flatpickr-calendar {
  font-family: inherit;
  box-shadow: 0 8px 24px rgba(31, 42, 31, 0.16);
  border: 1px solid var(--border);
}

.flatpickr-day.selected,
.flatpickr-day.startRange,
.flatpickr-day.endRange,
.flatpickr-day.selected:hover {
  background: var(--brand);
  border-color: var(--brand);
}

.flatpickr-months .flatpickr-month {
  color: var(--brand-dark);
  fill: var(--brand-dark);
}

.aging-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  margin-right: 6px;
}

.aging-badge.aging-ok {
  background: #e8f5e9;
  color: #2e7d32;
}

.aging-badge.aging-warn {
  background: #fff3e0;
  color: #ef6c00;
}

.aging-badge.aging-bad {
  background: #fdecea;
  color: #c62828;
}