:root {
  --green: #1a7a4a;
  --green-dark: #0f5433;
  --green-light: #e8f5ee;
  --green-mid: #2e9e61;
  --amber: #c97d10;
  --amber-light: #fef3e0;
  --red: #c0392b;
  --red-light: #fdecea;
  --blue: #1a5276;
  --blue-light: #eaf2fb;
  --gray: #f4f6f5;
  --border: #d5e3db;
  --text: #1a2e22;
  --text-muted: #5a7a66;
  --white: #ffffff;
  --shadow: 0 1px 4px rgba(0,0,0,0.08);
  --radius: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  background: #eef2ef;
  color: var(--text);
  min-height: 100vh;
}

/* ── Layout ── */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  background: var(--green-dark);
  color: #c8e6d4;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 20px 16px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logo .org { font-size: 11px; opacity: 0.7; letter-spacing: 0.5px; text-transform: uppercase; }
.sidebar-logo .name { font-size: 17px; font-weight: 700; color: #fff; margin-top: 4px; }
.sidebar-logo .group { font-size: 12px; color: #9fd4b4; margin-top: 2px; }

.sidebar nav { flex: 1; padding: 12px 0; }

.nav-section { padding: 8px 16px 4px; font-size: 10px; letter-spacing: 0.8px; text-transform: uppercase; opacity: 0.5; }

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 16px; color: #c8e6d4;
  text-decoration: none; font-size: 13.5px;
  cursor: pointer; border: none; background: none; width: 100%;
  text-align: left;
  border-left: 3px solid transparent;
  transition: all 0.15s;
}

.nav-item:hover { background: rgba(255,255,255,0.07); color: #fff; }
.nav-item.active { background: rgba(255,255,255,0.12); color: #fff; border-left-color: #6fd99e; }
.nav-item svg { flex-shrink: 0; }

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 12px;
  opacity: 0.6;
}

.main { margin-left: 220px; flex: 1; }

.topbar {
  background: var(--white);
  padding: 14px 28px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}

.topbar-title { font-size: 18px; font-weight: 600; }
.topbar-right { display: flex; gap: 10px; align-items: center; }

.page { padding: 24px 28px; }

/* ── Cards ── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  font-weight: 600; font-size: 14.5px;
}

.card-body { padding: 18px; }

/* ── Stat cards ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.stat-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 6px; }
.stat-value { font-size: 22px; font-weight: 700; color: var(--text); }
.stat-sub { font-size: 11px; color: var(--text-muted); margin-top: 3px; }
.stat-card.green { border-left: 3px solid var(--green); }
.stat-card.amber { border-left: 3px solid var(--amber); }
.stat-card.red { border-left: 3px solid var(--red); }
.stat-card.blue { border-left: 3px solid var(--blue); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 6px; font-size: 13.5px;
  font-weight: 500; cursor: pointer; border: 1px solid transparent;
  transition: all 0.15s; text-decoration: none;
}

.btn-primary { background: var(--green); color: #fff; border-color: var(--green); }
.btn-primary:hover { background: var(--green-dark); }
.btn-secondary { background: var(--white); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--gray); }
.btn-danger { background: var(--red); color: #fff; }
.btn-sm { padding: 5px 11px; font-size: 12.5px; }
.btn-amber { background: var(--amber); color: #fff; border-color: var(--amber); }

/* ── Tables ── */
.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }

thead th {
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  padding: 9px 12px;
  text-align: right;
  white-space: nowrap;
  border-bottom: 2px solid var(--border);
}

thead th:first-child { text-align: left; }

tbody td {
  padding: 9px 12px;
  border-bottom: 1px solid #edf2ef;
  text-align: right;
  white-space: nowrap;
}

tbody td:first-child { text-align: left; font-weight: 500; }

tbody tr:hover { background: var(--gray); }

tfoot td {
  padding: 9px 12px;
  font-weight: 700;
  background: var(--green-light);
  border-top: 2px solid var(--border);
  text-align: right;
  font-size: 12.5px;
}
tfoot td:first-child { text-align: left; }

.tbl-no { color: var(--text-muted); font-weight: 400; }
.tbl-actions { display: flex; gap: 6px; justify-content: flex-end; }

/* ── Forms ── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; }

input, select, textarea {
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13.5px;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.15s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(26,122,74,0.12);
}

.form-full { grid-column: 1 / -1; }
.hint { font-size: 11.5px; color: var(--text-muted); }

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 9px; border-radius: 20px;
  font-size: 11px; font-weight: 600;
}

.badge-green { background: var(--green-light); color: var(--green-dark); }
.badge-amber { background: var(--amber-light); color: #7a4d00; }
.badge-red { background: var(--red-light); color: var(--red); }
.badge-blue { background: var(--blue-light); color: var(--blue); }
.badge-gray { background: var(--gray); color: var(--text-muted); }

/* ── Alerts ── */
.alert { padding: 12px 16px; border-radius: var(--radius); font-size: 13px; border-left: 4px solid; margin-bottom: 16px; }
.alert-success { background: var(--green-light); border-color: var(--green); color: var(--green-dark); }
.alert-warning { background: var(--amber-light); border-color: var(--amber); color: #7a4d00; }
.alert-error { background: var(--red-light); border-color: var(--red); color: var(--red); }
.alert-info { background: var(--blue-light); border-color: var(--blue); color: var(--blue); }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45);
  display: none; align-items: center; justify-content: center;
  z-index: 1000;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--white);
  border-radius: 10px;
  width: 580px; max-width: 95vw;
  max-height: 90vh; overflow-y: auto;
  box-shadow: 0 8px 40px rgba(0,0,0,0.18);
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 16px; font-weight: 600;
}

.modal-body { padding: 20px; }
.modal-footer { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

.close-btn { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--text-muted); line-height: 1; }
.close-btn:hover { color: var(--text); }

/* ── Tabs ── */
.tabs { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 20px; gap: 2px; }
.tab { padding: 9px 18px; font-size: 13.5px; font-weight: 500; cursor: pointer; border: none; background: none; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -2px; }
.tab.active { color: var(--green); border-bottom-color: var(--green); }
.tab:hover { color: var(--text); }

/* ── Misc ── */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.page-header h2 { font-size: 20px; font-weight: 700; }
.divider { border: none; border-top: 1px solid var(--border); margin: 18px 0; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-amber { color: var(--amber); }
.text-muted { color: var(--text-muted); }
.fw-bold { font-weight: 700; }
.mt-16 { margin-top: 16px; }
.gap-row { display: flex; gap: 14px; margin-bottom: 22px; }
.flex-1 { flex: 1; }

.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.empty-state svg { margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 14px; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { width: 0; overflow: hidden; }
  .main { margin-left: 0; }
  .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}