:root {
  --bg: #f6f5f2;
  --card: #ffffff;
  --ink: #23241f;
  --muted: #6b6f76;
  --border: #e4e1da;
  --accent: #1f6f50;
  --accent-dark: #16523b;
  --red: #b3423a;
  --red-bg: #fbeceb;
  --green-bg: #e9f5ee;
  --amber-bg: #fff6e6;
  --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);
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--accent-dark);
  color: #fff;
  flex-wrap: wrap;
  gap: 10px;
}

.brand { font-weight: 700; font-size: 1.15rem; }

.topbar nav a {
  color: #eafff2;
  text-decoration: none;
  margin-left: 18px;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.95rem;
}

.topbar nav a:first-child { margin-left: 0; }

.topbar nav a.active, .topbar nav a:hover {
  background: rgba(255,255,255,0.15);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
  padding: 20px;
}

h1 { font-size: 1.5rem; margin-bottom: 4px; }
h2 { font-size: 1.15rem; margin: 0 0 12px; }
.subtitle { color: var(--muted); margin-top: 0; margin-bottom: 20px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 20px;
}

.stat-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.stat {
  flex: 1;
  min-width: 160px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.stat .label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat .value { font-size: 1.6rem; font-weight: 700; margin-top: 4px; }
.stat.owed .value { color: var(--red); }
.stat.credit .value { color: var(--accent); }

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 9px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

th { color: var(--muted); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.03em; }

tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge.owe { background: var(--red-bg); color: var(--red); }
.badge.credit { background: var(--green-bg); color: var(--accent); }
.badge.even { background: #eee; color: var(--muted); }
.badge.inactive { background: #eee; color: var(--muted); }

form.inline { display: inline; }

.btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-size: 0.9rem;
  text-decoration: none;
}

.btn:hover { background: var(--accent-dark); }

.btn.secondary {
  background: transparent;
  color: var(--accent-dark);
  border: 1px solid var(--border);
}
.btn.secondary:hover { background: #f0efe9; }

.btn.danger {
  background: transparent;
  color: var(--red);
  border: 1px solid var(--red-bg);
}
.btn.danger:hover { background: var(--red-bg); }

.btn.small { padding: 4px 10px; font-size: 0.8rem; }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 4px; }
input[type=text], input[type=number], input[type=date], select, textarea {
  width: 100%;
  padding: 9px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
}

.form-row { display: flex; gap: 14px; flex-wrap: wrap; }
.form-row .field { flex: 1; min-width: 160px; }

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px 14px;
  margin-bottom: 14px;
}
.checkbox-grid label { display: flex; align-items: center; gap: 6px; font-size: 0.92rem; color: var(--ink); }
.checkbox-grid input { width: auto; }

.flash-stack { margin-bottom: 18px; }
.flash {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 0.92rem;
}
.flash-success { background: var(--green-bg); color: var(--accent-dark); }
.flash-error { background: var(--red-bg); color: var(--red); }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 14px;
}
.photo-grid figure {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}
.photo-grid img { width: 100%; height: 140px; object-fit: cover; display: block; }
.photo-grid figcaption { padding: 6px 8px; font-size: 0.75rem; color: var(--muted); display: flex; justify-content: space-between; align-items: center; }

.empty-state { color: var(--muted); font-style: italic; padding: 10px 0; }

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 8px;
}

a.plain { color: var(--accent-dark); }

.name-cell { font-weight: 600; }

.muted { color: var(--muted); }