:root {
  --brand: #0f766e;
  --brand-dark: #0b5a54;
  --brand-light: #ecfdf5;
  --ink: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --bg: #f8fafc;
  --danger: #dc2626;
  --warn: #d97706;
  --ok: #16a34a;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

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

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.topbar .brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--brand-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar .brand .dot { color: var(--brand); }

.topbar nav {
  display: flex;
  gap: 20px;
  align-items: center;
  font-size: 14px;
}

.topbar nav a {
  color: var(--ink);
  padding: 8px 4px;
}

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

.badge-demo {
  background: #fff7ed;
  color: var(--warn);
  border: 1px solid #fed7aa;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 600;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 4px;
}

.page-subtitle {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 24px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.stat-card .value {
  font-size: 26px;
  font-weight: 700;
  color: var(--brand-dark);
}

.stat-card .label {
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}

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

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

tr:hover td { background: #fafafa; }

.btn {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.btn:hover { background: var(--brand-dark); text-decoration: none; }

.btn-secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-secondary:hover { background: #f3f4f6; }

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}

.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.alert {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
}

.alert-error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.alert-ok { background: #f0fdf4; color: var(--ok); border: 1px solid #bbf7d0; }
.alert-warn { background: #fffbeb; color: var(--warn); border: 1px solid #fde68a; }

.pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.pill-ok { background: #f0fdf4; color: var(--ok); }
.pill-warn { background: #fffbeb; color: var(--warn); }
.pill-overdue { background: #fef2f2; color: var(--danger); }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f766e 0%, #134e4a 100%);
}

.login-card {
  background: #fff;
  border-radius: 14px;
  padding: 36px;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

.login-card h1 {
  font-size: 20px;
  margin: 0 0 4px;
}

.login-card p.sub {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 24px;
}

.hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 18px;
  text-align: center;
}

.qr-box {
  text-align: center;
  padding: 20px;
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.qr-box canvas { margin: 0 auto; }

.public-hero {
  background: var(--brand-dark);
  color: #fff;
  padding: 28px 24px;
  border-radius: var(--radius);
  margin-bottom: 24px;
}

.public-hero h1 { margin: 0 0 6px; font-size: 22px; }
.public-hero p { margin: 0; opacity: 0.85; font-size: 14px; }

.timeline-item {
  border-left: 2px solid var(--brand);
  padding: 4px 0 16px 16px;
  margin-left: 6px;
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--brand);
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
}

.actions-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 12px;
  flex-wrap: wrap;
}

.text-muted { color: var(--muted); }
.text-sm { font-size: 13px; }
.mt-0 { margin-top: 0; }