/* =================================================================
   Municipal ERP — Enterprise Design System v3.0
   Theme-aware via header.php CSS custom properties
   ================================================================= */

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background .3s, color .3s;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; }
::selection { background: var(--primary); color: #fff; }

/* ── KPI Grid ─────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.kpi-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-xs);
  position: relative;
  overflow: hidden;
  transition: all .25s;
}
.kpi-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.kpi-card.accent::before  { background: var(--warning); }
.kpi-card.teal::before    { background: var(--accent); }
.kpi-card.crimson::before { background: var(--danger); }
.kpi-card.sage::before    { background: var(--success); }
.kpi-card.amber::before   { background: var(--warning); }
.kpi-card.navy::before    { background: var(--primary); }

.kpi-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
  font-size: 1rem;
}
.kpi-icon.accent  { background: var(--warning-bg); color: var(--warning); }
.kpi-icon.teal    { background: var(--info-bg);    color: var(--info); }
.kpi-icon.crimson { background: var(--danger-bg);  color: var(--danger); }
.kpi-icon.sage    { background: var(--success-bg); color: var(--success); }
.kpi-icon.amber   { background: var(--warning-bg); color: var(--warning); }
.kpi-icon.navy    { background: var(--primary-soft);color: var(--primary); }
.kpi-icon svg { width: 20px; height: 20px; }

.kpi-value {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
  letter-spacing: -0.5px;
}
.kpi-label {
  font-size: .78rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.kpi-sub {
  font-size: .72rem;
  color: var(--text-muted);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-light);
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: all .25s;
}
.card:hover { box-shadow: var(--shadow); }
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-sunken);
  transition: background .3s, border-color .3s;
}
.card-header h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}
.card-header .card-subtitle {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: 1px;
}
.card-body { padding: 20px; }
.card-title { font-size: .95rem; font-weight: 700; color: var(--text-main); margin: 0; }

/* ── Tables ────────────────────────────────────────────────── */
.table-wrap, .table-wrapper { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .855rem;
}
thead th {
  background: var(--table-header-bg);
  color: var(--text-muted);
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 11px 14px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
  transition: background .3s, color .3s;
}
tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background .15s;
}
tbody tr:hover { background: var(--table-hover-bg); }
tbody td { padding: 11px 14px; vertical-align: middle; color: var(--text-main); }
tfoot td {
  padding: 11px 14px;
  background: var(--bg-sunken);
  font-weight: 600;
  font-size: .85rem;
  color: var(--text-main);
}

.data-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.data-table thead th {
  background: var(--table-header-bg);
  padding: 10px 14px;
  text-align: left;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text-main);
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--table-hover-bg); }
.data-table tfoot td { padding: 10px 14px; border-top: 2px solid var(--border); }

/* ── Badges ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
}
.badge-draft      { background: var(--bg-sunken); color: var(--text-muted); }
.badge-submitted  { background: var(--warning-bg); color: var(--warning); }
.badge-approved   { background: var(--success-bg); color: var(--success); }
.badge-paid       { background: var(--info-bg);    color: var(--info); }
.badge-cancelled  { background: var(--danger-bg);  color: var(--danger); }
.badge-ongoing    { background: var(--primary-light); color: var(--primary); }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all .2s;
  text-decoration: none;
  font-family: var(--font);
  white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; }
.btn-primary   { background: var(--primary);    color: #fff; }
.btn-primary:hover  { background: var(--primary-hover); color: #fff; transform: translateY(-1px); }
.btn-accent    { background: var(--warning);  color: #fff; font-weight: 600; }
.btn-accent:hover  { background: #d97706; color: #fff; }
.btn-teal      { background: var(--accent);    color: #fff; }
.btn-teal:hover    { background: var(--accent); color: #fff; opacity: .9; }
.btn-sage      { background: var(--success);    color: #fff; }
.btn-danger    { background: var(--danger); color: #fff; }
.btn-outline   { background: transparent; border: 1.5px solid var(--border); color: var(--text-main); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-secondary       { background: var(--bg-sunken); border: 1.5px solid var(--border); color: var(--text-main); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.btn-ghost           { background: transparent; border: none; color: var(--text-muted); padding: 6px 10px; }
.btn-ghost:hover     { color: var(--primary); background: var(--bg-sunken); }
.btn-danger-ghost       { background: transparent; border: none; color: var(--danger); padding: 6px 10px; }
.btn-danger-ghost:hover { background: var(--danger-bg); }
.btn-sm { padding: 5px 11px; font-size: .78rem; }
.btn-xs { padding: 3px 8px; font-size: .72rem; }

/* ── Forms ──────────────────────────────────────────────────── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-full { grid-column: 1 / -1; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
label { font-size: .8rem; font-weight: 500; color: var(--text-secondary); }
label .req { color: var(--danger); margin-left: 2px; }

input[type=text], input[type=number], input[type=date], input[type=email],
input[type=password], select, textarea {
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-family: var(--font);
  background: var(--bg-elevated);
  color: var(--text-main);
  transition: border .2s, box-shadow .2s, background .3s;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
textarea { resize: vertical; min-height: 80px; }
.form-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 160px; }
.filter-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-start; }
.filter-row .form-group { margin-bottom: 0; min-width: 160px; }

/* ── Alerts ─────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid var(--success); }
.alert-error, .alert-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning); }
.alert-info    { background: var(--info-bg); color: var(--info); border: 1px solid var(--info); }

/* ── Progress ──────────────────────────────────────────────── */
.progress-bar-wrap {
  background: var(--bg-sunken);
  border-radius: 20px;
  height: 6px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  border-radius: 20px;
  background: var(--accent);
  transition: width .5s ease;
}
.progress-bar.danger { background: var(--danger); }
.progress-bar.warning { background: var(--warning); }

/* ── Modal ──────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; visibility: hidden;
  transition: all .2s;
  backdrop-filter: blur(4px);
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal-overlay .modal { display: block !important; position: relative !important; padding: 0 !important; }
.modal-overlay .modal {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 700px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform .2s;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-overlay .modal-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-overlay .modal-header h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-main); }
.modal-overlay .modal-close {
  width: 30px; height: 30px;
  border: none; background: var(--bg-sunken);
  border-radius: var(--radius-sm);
  cursor: pointer; color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  transition: all .15s;
}
.modal-overlay .modal-close:hover { background: var(--danger); color: white; }
.modal-overlay .modal-body { padding: 22px; }

/* ── Page Layout ───────────────────────────────────────────── */
.page-body { padding: 28px; flex: 1; }
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}
.page-title    { font-size: 1.5rem; font-weight: 700; color: var(--text-main); margin: 0; letter-spacing: -0.3px; }
.page-subtitle { font-size: .82rem; color: var(--text-muted); margin: 4px 0 0; }

/* ── Grid Layouts ──────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card  { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 18px 20px; transition: all .25s; }
.stat-card:hover { box-shadow: var(--shadow); }
.stat-value { font-size: 1.5rem; color: var(--text-main); font-weight: 700; }
.stat-label { font-size: .75rem; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: .04em; }

/* ── Voucher Print ─────────────────────────────────────────── */
.voucher-print-header {
  background: var(--primary);
  color: #fff;
  padding: 16px 20px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.voucher-print-header h2 { color: #fff; }
.voucher-table { width: 100%; border-collapse: collapse; }
.voucher-table th, .voucher-table td { border: 1px solid var(--border); padding: 8px 12px; }
.voucher-table th { background: var(--bg-sunken); font-size: .78rem; text-transform: uppercase; color: var(--text-secondary); }

/* ── Section Divider ───────────────────────────────────────── */
.section-divider {
  font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-muted); border-bottom: 1px solid var(--border);
  padding-bottom: 6px; margin: 16px 0 12px;
}

/* ── Utilities ─────────────────────────────────────────────── */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted) !important; }
.text-small, .text-sm { font-size: .78rem; }
.text-bold, .fw-600 { font-weight: 600; }
.text-primary { color: var(--primary) !important; }
.text-danger, .text-crimson { color: var(--danger) !important; }
.text-accent { color: var(--warning) !important; }
.text-teal { color: var(--accent) !important; }
.text-sage { color: var(--success) !important; }
.text-amber { color: var(--warning) !important; }
.mb-4, .mb-16 { margin-bottom: 16px; }
.mb-6, .mb-24 { margin-bottom: 24px; }
.mt-16 { margin-top: 16px; }
.py-4 { padding-top: 16px; padding-bottom: 16px; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.justify-between { justify-content: space-between; }

/* ── Print ─────────────────────────────────────────────────── */
@media print {
  .sidebar, .topbar, .no-print { display: none !important; }
  .main-content { margin-left: 0; }
  .main-wrapper { margin: 0; padding: 0; }
  .page-body { padding: 0; }
  body { background: #fff !important; color: #000 !important; }
  .card { border: 1px solid #ccc; box-shadow: none; }
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .kpi-grid, .stats-grid { grid-template-columns: 1fr; }
  .page-body { padding: 16px; }
}