:root {
  --primary-dark: #2E7D32;
  --primary: #43A047;
  --primary-light: #8BC34A;
  --accent: #E8F5E9;
  --accent-2: #C8E6C9;
  --bg: #F4FBF4;
  --card-bg: #FFFFFF;
  --text: #1B2B1E;
  --muted: #5B6B5E;
  --border: #CFE3D0;
  --danger: #C62828;
  --danger-bg: #FDECEA;
  --warning: #F9A825;
  --warning-bg: #FFF8E1;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(27,43,30,0.08), 0 1px 2px rgba(27,43,30,0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

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

/* ---------- Top bar ---------- */
.topbar {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  box-shadow: var(--shadow);
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 20px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; color: #fff; }
.brand:hover { text-decoration: none; }
.brand-logo { height: 36px; width: 36px; border-radius: 50%; background: #fff; object-fit: cover; }
.brand-name { font-weight: 700; font-size: 1.15rem; letter-spacing: 0.2px; }
.main-nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.main-nav a {
  color: rgba(255,255,255,0.88);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 500;
}
.main-nav a:hover { background: rgba(255,255,255,0.14); text-decoration: none; }
.main-nav a.active { background: rgba(255,255,255,0.22); color: #fff; }
.topbar-user { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: #fff; }
.btn-link { color: #fff; opacity: 0.9; text-decoration: underline; }

/* ---------- Layout ---------- */
.page { max-width: 1200px; margin: 0 auto; padding: 22px 20px 60px; }
.page-narrow { max-width: 460px; padding-top: 60px; }
.footer { text-align: center; color: var(--muted); font-size: 0.82rem; padding: 18px; }

/* ---------- Flash messages ---------- */
.flash-stack { margin-bottom: 16px; display: flex; flex-direction: column; gap: 8px; }
.flash { padding: 10px 14px; border-radius: var(--radius); font-size: 0.92rem; }
.flash-success { background: var(--accent); color: var(--primary-dark); border: 1px solid var(--accent-2); }
.flash-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid #f5c6c2; }
.flash-warning { background: var(--warning-bg); color: #8a6100; border: 1px solid #fde7a8; }

/* ---------- Cards ---------- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
}
.card h2, .card h3 { margin-top: 0; }
.card-row { display: flex; gap: 16px; flex-wrap: wrap; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 880px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- Stat tiles ---------- */
.stat-tile {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.stat-tile .stat-label { color: var(--muted); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }
.stat-tile .stat-value { font-size: 1.7rem; font-weight: 700; color: var(--primary-dark); margin-top: 4px; }
.stat-tile.warn .stat-value { color: var(--danger); }
.stat-tile.amber .stat-value { color: #B5790A; }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--accent); color: var(--primary-dark); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.03em; }
tr:hover td { background: #fafffa; }
.table-wrap { overflow-x: auto; }

/* ---------- Badges ---------- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.76rem; font-weight: 600; letter-spacing: 0.02em; }
.badge-active { background: var(--primary); color: #fff; }
.badge-closed { background: #E0E0E0; color: #616161; }
.badge-overdue { background: var(--danger-bg); color: var(--danger); border: 1px solid #f5c6c2; }
.badge-due-today { background: var(--warning-bg); color: #8a6100; border: 1px solid #fde7a8; }

/* row highlight for active cases */
.row-active { background: #FAFFF9; }
.row-active:hover td { background: #F1FBF1; }

/* ---------- Forms ---------- */
label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 4px; font-weight: 600; }
.form-group { margin-bottom: 14px; }
input[type=text], input[type=number], input[type=email], input[type=password],
input[type=date], input[type=tel], select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  background: #fff;
  color: var(--text);
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67,160,71,0.15);
}
.required-mark { color: var(--danger); }
.help-text { color: var(--muted); font-size: 0.78rem; margin-top: 3px; }
.checkbox-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px 18px; }
@media (max-width: 600px) { .checkbox-grid { grid-template-columns: 1fr; } }
.checkbox-row { display: flex; align-items: center; gap: 8px; font-weight: 400; color: var(--text); }
.checkbox-row input { width: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); text-decoration: none; }
.btn-secondary { background: #fff; color: var(--primary-dark); border-color: var(--primary); }
.btn-secondary:hover { background: var(--accent); text-decoration: none; }
.btn-danger { background: #fff; color: var(--danger); border-color: #f0a8a3; }
.btn-danger:hover { background: var(--danger-bg); text-decoration: none; }
.btn-sm { padding: 5px 10px; font-size: 0.8rem; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }
button.link-btn { background: none; border: none; padding: 0; color: var(--primary-dark); text-decoration: underline; cursor: pointer; font-size: inherit; }

/* ---------- Misc ---------- */
.muted { color: var(--muted); }
.text-right { text-align: right; }
.section-title { font-size: 1rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin: 22px 0 10px; }
.balance-pos { color: var(--danger); font-weight: 700; }
.balance-zero { color: var(--primary-dark); font-weight: 700; }
.empty-state { text-align: center; padding: 40px 20px; color: var(--muted); }
.pagination { display: flex; gap: 6px; margin-top: 14px; }
.pagination a, .pagination span { padding: 6px 12px; border-radius: 6px; border: 1px solid var(--border); }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }
.search-row { display: flex; gap: 10px; margin-bottom: 16px; }
.search-row input { flex: 1; }
.auth-card { max-width: 400px; margin: 40px auto; }
.auth-card .brand-logo-big { display: block; margin: 0 auto 12px; height: 64px; width: 64px; border-radius: 50%; }
.kv-list { display: flex; flex-direction: column; gap: 4px; font-size: 0.92rem; }
.kv-list .kv-row { display: flex; gap: 8px; }
.kv-list .kv-label { color: var(--muted); min-width: 110px; }
.chip { display: inline-block; background: var(--accent); color: var(--primary-dark); padding: 3px 10px; border-radius: 999px; font-size: 0.78rem; margin: 2px 4px 2px 0; }
hr.sep { border: none; border-top: 1px solid var(--border); margin: 18px 0; }