/* ============================================
   PGV Platform — Design System CSS
   Palette: Green primary, neutral grays, white
   Font: Poppins
   ============================================ */

:root {
  --pgv-green:        #2E7D32;
  --pgv-green-light:  #4CAF50;
  --pgv-green-pale:   #E8F5E9;
  --pgv-red:          #C62828;
  --pgv-red-light:    #EF5350;
  --pgv-red-pale:     #FFEBEE;
  --pgv-orange:       #E65100;
  --pgv-orange-pale:  #FFF3E0;
  --pgv-blue:         #1565C0;
  --pgv-blue-pale:    #E3F2FD;

  --gray-50:  #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-400: #BDBDBD;
  --gray-500: #9E9E9E;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;

  --bg-surface: #ffffff;

  --sidebar-width:     260px;
  --sidebar-collapsed: 70px;
  --top-navbar-h:      64px;
  --border-radius:     10px;
  --shadow-sm:         0 1px 3px rgba(0,0,0,.08);
  --shadow-md:         0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:         0 8px 24px rgba(0,0,0,.12);
  --transition:        0.2s ease;
}

[data-bs-theme="dark"] {
  --bg-surface: #212529;
  
  --gray-50:  #2b3035;
  --gray-100: #1a1d20;
  --gray-200: #343a40;
  --gray-300: #495057;
  --gray-400: #6c757d;
  --gray-500: #adb5bd;
  --gray-600: #ced4da;
  --gray-700: #dee2e6;
  --gray-800: #f8f9fa;
  --gray-900: #ffffff;

  --pgv-green:        #4CAF50;
  --pgv-green-light:  #81C784;

  --pgv-green-pale:   rgba(76, 175, 80, 0.15);
  --pgv-red-pale:     rgba(239, 83, 80, 0.15);
  --pgv-orange-pale:  rgba(230, 81, 0, 0.15);
  --pgv-blue-pale:    rgba(21, 101, 192, 0.15);
}

* { box-sizing: border-box; }

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--gray-100);
  color: var(--gray-900);
  font-size: 14px;
  line-height: 1.6;
}

/* ==================== SIDEBAR ==================== */
.sidebar-nav {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  top: 0; left: 0;
  background: var(--bg-surface);
  border-right: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: width var(--transition);
  overflow: hidden;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--gray-200);
  min-height: var(--top-navbar-h);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--pgv-green);
  letter-spacing: -0.5px;
}

.sidebar-user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
}

.avatar-circle {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pgv-green-light), var(--pgv-green));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

.avatar-circle-sm {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pgv-green-light), var(--pgv-green));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
}

.user-details { overflow: hidden; }
.user-name { font-weight: 600; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { margin-top: 2px; }

.sidebar-divider { margin: 0; border-color: var(--gray-200); }

.sidebar-menu {
  list-style: none;
  padding: 12px 0;
  margin: 0;
  flex: 1;
  overflow-y: auto;
}

.sidebar-section {
  font-size: 10px;
  font-weight: 700;
  color: var(--gray-500);
  letter-spacing: 1.2px;
  padding: 12px 20px 4px;
  text-transform: uppercase;
}

.sidebar-item { padding: 2px 12px; }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
  font-size: 13.5px;
  transition: all var(--transition);
  white-space: nowrap;
}

.sidebar-link i { font-size: 18px; flex-shrink: 0; }

.sidebar-link:hover {
  background: var(--pgv-green-pale);
  color: var(--pgv-green);
}

.sidebar-item.active .sidebar-link {
  background: var(--pgv-green-pale);
  color: var(--pgv-green);
  font-weight: 600;
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--gray-200);
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition);
}

.top-navbar {
  height: var(--top-navbar-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 12px;
}

.sidebar-toggle-btn { color: var(--gray-600); padding: 6px; border-radius: 8px; }
.sidebar-toggle-btn:hover { background: var(--gray-100); color: var(--pgv-green); }

.page-content {
  padding: 28px;
  flex: 1;
}

/* ==================== CARDS ==================== */
.card {
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.card-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--gray-200);
  padding: 16px 20px;
  font-weight: 600;
}

/* ==================== KPI CARDS ==================== */
.kpi-card {
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  padding: 20px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 12px;
}

.kpi-icon.green  { background: var(--pgv-green-pale); color: var(--pgv-green); }
.kpi-icon.red    { background: var(--pgv-red-pale);   color: var(--pgv-red); }
.kpi-icon.orange { background: var(--pgv-orange-pale); color: var(--pgv-orange); }
.kpi-icon.blue   { background: var(--pgv-blue-pale);  color: var(--pgv-blue); }

.kpi-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.1;
}

.kpi-label {
  font-size: 12px;
  color: var(--gray-500);
  font-weight: 500;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kpi-trend {
  font-size: 12px;
  font-weight: 600;
  margin-top: 8px;
}
.kpi-trend.up   { color: var(--pgv-green); }
.kpi-trend.down { color: var(--pgv-red-light); }

/* ==================== TABLES ==================== */
.table-pgv thead th {
  background: var(--gray-50);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-200);
  padding: 12px 16px;
  white-space: nowrap;
}

.table-pgv tbody td {
  padding: 12px 16px;
  vertical-align: middle;
  border-bottom: 1px solid var(--gray-100);
  font-size: 13.5px;
}

.table-pgv tbody tr:hover { background: var(--gray-50); }
.table-pgv tbody tr:last-child td { border-bottom: none; }

/* ==================== BADGES ==================== */
.badge-status {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
}

.badge-completed { background: var(--pgv-green-pale); color: var(--pgv-green); }
.badge-pending   { background: var(--pgv-orange-pale); color: var(--pgv-orange); }
.badge-cancelled { background: var(--gray-100); color: var(--gray-600); }

/* ==================== BUTTONS ==================== */
.btn-pgv-primary {
  background: var(--pgv-green);
  border-color: var(--pgv-green);
  color: #fff;
  font-weight: 500;
  border-radius: 8px;
  padding: 8px 18px;
  transition: all var(--transition);
}

.btn-pgv-primary:hover {
  background: var(--pgv-green-light);
  border-color: var(--pgv-green-light);
  color: #fff;
  box-shadow: 0 4px 12px rgba(46,125,50,0.3);
}

/* ==================== PAGE HEADER ==================== */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
}

.page-subtitle {
  font-size: 13px;
  color: var(--gray-500);
  margin: 2px 0 0;
}

/* ==================== CHARTS ==================== */
.chart-container { position: relative; }

/* ==================== FORMS ==================== */
.form-label { font-weight: 500; font-size: 13px; color: var(--gray-700); }
.form-control, .form-select {
  border-radius: 8px;
  border-color: var(--gray-300);
  font-size: 13.5px;
  padding: 9px 14px;
}
.form-control:focus, .form-select:focus {
  border-color: var(--pgv-green-light);
  box-shadow: 0 0 0 0.2rem rgba(76,175,80,.2);
}

/* ==================== LOGIN PAGE ==================== */
.login-wrapper {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--pgv-green) 0%, #1B5E20 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: var(--bg-surface);
  border-radius: 16px;
  padding: 48px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo i { font-size: 48px; color: var(--pgv-green); }
.login-logo h1 { font-size: 28px; font-weight: 800; color: var(--pgv-green); margin: 8px 0 4px; }
.login-logo p { color: var(--gray-500); font-size: 13px; }

/* ==================== STOCK ALERT ==================== */
.stock-low  { color: var(--pgv-orange); }
.stock-out  { color: var(--pgv-red-light); }
.stock-ok   { color: var(--pgv-green); }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 991.98px) {
  .sidebar-nav { transform: translateX(-100%); }
  .sidebar-nav.show { transform: translateX(0); }
  .main-content { margin-left: 0; }
}

@media (max-width: 575.98px) {
  .page-content { padding: 16px; }
  .kpi-value { font-size: 22px; }
}

/* Sidebar collapsed (desktop) */
body.sidebar-collapsed .sidebar-nav { width: var(--sidebar-collapsed); }
body.sidebar-collapsed .sidebar-nav .sidebar-title,
body.sidebar-collapsed .sidebar-nav .user-details,
body.sidebar-collapsed .sidebar-nav .sidebar-section,
body.sidebar-collapsed .sidebar-nav .sidebar-link span { display: none; }
body.sidebar-collapsed .sidebar-nav .sidebar-link { justify-content: center; }
body.sidebar-collapsed .main-content { margin-left: var(--sidebar-collapsed); }

/* Pagination */
.pagination .page-link {
  border-radius: 6px !important;
  margin: 0 2px;
  color: var(--gray-700);
  border-color: var(--gray-300);
  font-size: 13px;
  padding: 6px 12px;
}
.pagination .page-item.active .page-link {
  background: var(--pgv-green);
  border-color: var(--pgv-green);
}