/* ============================================================
   KACM Admin Panel — Modern Professional Design
   ============================================================ */

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

:root {
  --primary: #5B2D8E;
  --primary-dark: #45206B;
  --primary-light: #7B4DB8;
  --primary-subtle: #EDE7F6;
  --secondary: #C9A84C;
  --secondary-dark: #A88A35;
  --dark: #1A1A2E;
  --dark-card: #1e1e3a;
  --gray-50: #f8f7fc;
  --gray-100: #f0eef6;
  --gray-200: #e2dff0;
  --gray-300: #c5c0d9;
  --gray-400: #9b95b5;
  --gray-500: #6b6590;
  --gray-600: #4b4570;
  --success: #059669;
  --danger: #dc2626;
  --warning: #d97706;
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--gray-50);
  color: var(--dark);
  line-height: 1.6;
}

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

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

/* Background image with overlay */
.login-page::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: url('../../assets/sunday%20school%20children%20group%20photos/sunday%20school%20children%20all%20combined.jpeg') center/cover no-repeat;
  filter: blur(2px);
  transform: scale(1.05);
}

.login-page::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(45,27,78,0.75) 50%, rgba(91,45,142,0.7) 100%);
}

.login-box {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 48px 40px 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 10;
  animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-box .logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 16px;
  font-size: 28px;
  color: #fff;
  box-shadow: 0 8px 24px rgba(91,45,142,0.25);
}

.login-box h1 {
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--dark);
  text-align: center;
  margin-bottom: 4px;
  letter-spacing: -0.3px;
}

.login-box p {
  text-align: center;
  color: var(--gray-500);
  font-size: 14px;
  margin-bottom: 28px;
}

.login-error {
  background: #fef2f2;
  color: var(--danger);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
  text-align: center;
  border: 1px solid #fecaca;
  animation: shake 0.4s ease-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* ============================================================
   FORM ELEMENTS
   ============================================================ */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--gray-600);
  letter-spacing: 0.3px;
  text-transform: uppercase;
  font-size: 11px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  transition: all var(--transition);
  background: #fff;
  color: var(--dark);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(91,45,142,0.1);
  background: #fff;
}

.form-group textarea { min-height: 100px; resize: vertical; }
.form-group .help-text { font-size: 12px; color: var(--gray-400); margin-top: 4px; }
.form-group input::placeholder { color: var(--gray-300); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 12px rgba(91,45,142,0.25);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), #3a1859);
  box-shadow: 0 6px 20px rgba(91,45,142,0.35);
  transform: translateY(-1px);
  color: #fff;
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
}
.btn-secondary:hover {
  background: var(--gray-200);
  color: var(--dark);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: #b91c1c; color: #fff; }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-block { display: flex; width: 100%; justify-content: center; }

/* ============================================================
   ADMIN LAYOUT
   ============================================================ */
.admin-header {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  padding: 0 28px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-header h1 {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-header h1 i {
  color: var(--primary);
  font-size: 18px;
}

.admin-header .admin-user {
  font-size: 13px;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin-header .admin-user a {
  color: var(--gray-500);
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.admin-header .admin-user a:hover {
  background: var(--gray-100);
  color: var(--danger);
}

.admin-container {
  display: flex;
  min-height: calc(100vh - 60px);
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.admin-sidebar {
  width: 240px;
  background: #fff;
  border-right: 1px solid var(--gray-200);
  padding: 16px 12px;
  flex-shrink: 0;
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
}

.admin-sidebar a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: var(--gray-500);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  margin-bottom: 2px;
}

.admin-sidebar a i {
  width: 20px;
  text-align: center;
  font-size: 15px;
}

.admin-sidebar a:hover {
  background: var(--gray-50);
  color: var(--dark);
}

.admin-sidebar a.active {
  background: var(--primary-subtle);
  color: var(--primary);
  font-weight: 600;
}

.admin-sidebar a:last-child {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
  color: var(--gray-400);
  font-size: 12px;
}

.admin-sidebar a:last-child:hover {
  color: var(--primary);
  background: transparent;
}

/* ============================================================
   CONTENT AREA
   ============================================================ */
.admin-content {
  flex: 1;
  padding: 28px 32px;
  overflow-y: auto;
  max-height: calc(100vh - 60px);
}

/* Page header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-header h2 {
  font-family: 'Inter', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-header h2 i { color: var(--primary); }
.page-header .btn { text-transform: none; letter-spacing: 0; }

/* ============================================================
   TABLES
   ============================================================ */
.table-wrap {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

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

table th {
  background: var(--gray-50);
  text-align: left;
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-bottom: 1px solid var(--gray-200);
}

table td {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}

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

table .actions { white-space: nowrap; text-align: right; }
table .actions a {
  margin-left: 6px;
  font-size: 13px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all var(--transition);
}

table .actions a:first-child:hover { background: var(--primary-subtle); }
table .actions a:last-child:hover { background: #fef2f2; }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  padding: 28px;
  margin-bottom: 16px;
}

.card h2 {
  font-family: 'Inter', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--dark);
}

/* ============================================================
   STATS
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary), var(--primary-light));
  border-radius: 0 2px 2px 0;
}

.stat-card h3 { font-size: 28px; font-weight: 700; color: var(--dark); margin-bottom: 2px; }
.stat-card p { font-size: 13px; color: var(--gray-400); }
.stat-card .stat-icon { float: right; font-size: 32px; color: var(--primary-subtle); }

/* ============================================================
   MODALS
   ============================================================ */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(26, 26, 46, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease-out;
}

.modal-overlay.active { display: flex; }

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-box {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 560px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-box h2 {
  font-family: 'Inter', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--dark);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-100);
}

.modal-box .form-group { margin-bottom: 16px; }
.modal-box label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.modal-box input, .modal-box textarea, .modal-box select {
  padding: 10px 12px;
  font-size: 13px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-100);
}

/* ============================================================
   FILTER TABS
   ============================================================ */
.filter-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.filter-tabs .filter-btn {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--gray-200);
  background: #fff;
  color: var(--gray-500);
  transition: all var(--transition);
}

.filter-tabs .filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-tabs .filter-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ============================================================
   IMAGE PREVIEW
   ============================================================ */
.img-preview { max-width: 100px; max-height: 60px; border-radius: 4px; object-fit: cover; }
.img-preview-lg { max-width: 200px; max-height: 120px; border-radius: var(--radius-sm); margin-top: 8px; }

/* ============================================================
   ALERTS / TOAST
   ============================================================ */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 14px;
}

.alert-success {
  background: #f0fdf4;
  color: var(--success);
  border: 1px solid #bbf7d0;
}

.alert-error {
  background: #fef2f2;
  color: var(--danger);
  border: 1px solid #fecaca;
}

.toast {
  display: none;
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  z-index: 2000;
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast.show { display: block; }
.toast.success { background: var(--success); color: #fff; }
.toast.error { background: var(--danger); color: #fff; }

/* ============================================================
   BADGES
   ============================================================ */
.category-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-leadership { background: var(--primary-subtle); color: var(--primary); }
.badge-executive { background: #FFF3CD; color: #856404; }
.badge-coordinator { background: #D1E7FF; color: #0c63e4; }
.badge-teacher { background: #D1FAE5; color: #065F46; }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--gray-300);
}

.empty-state i {
  font-size: 48px;
  margin-bottom: 12px;
  display: block;
}

.empty-state p { color: var(--gray-400); font-size: 14px; }

/* ============================================================
   RESPONSIVE — TABLETS & MOBILE
   ============================================================ */
@media (max-width: 900px) {
  .admin-container { flex-direction: column; }
  .admin-sidebar {
    width: 100%;
    padding: 8px 12px;
    position: static;
    height: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    border-right: none;
    border-bottom: 1px solid var(--gray-200);
  }
  .admin-sidebar a {
    padding: 8px 12px;
    font-size: 12px;
    flex: 0 0 auto;
  }
  .admin-sidebar a span { display: inline; }
  .admin-sidebar a:last-child {
    margin-top: 0;
    padding-top: 8px;
    border-top: none;
  }
  .admin-content {
    padding: 20px 16px;
    max-height: none;
  }
  .admin-header {
    padding: 0 16px;
    height: 52px;
  }
  .admin-header h1 { font-size: 14px; }
  .admin-header .admin-user { font-size: 12px; gap: 8px; }
  .login-box { margin: 16px; padding: 28px 20px; }
  .modal-box {
    padding: 24px 20px;
    max-width: 95%;
    margin: 10px;
  }
  .page-header {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  .page-header h2 { font-size: 17px; }
  .page-header .btn { width: 100%; justify-content: center; }
  .table-wrap { overflow-x: auto; }
  table { min-width: 600px; }
  table th, table td { padding: 8px 10px; font-size: 12px; }
  .filter-tabs { flex-wrap: wrap; }
  .filter-tabs .filter-btn { font-size: 11px; padding: 4px 10px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 14px 16px; }
  .stat-card h3 { font-size: 22px; }
  .admin-sidebar a.active { background: var(--primary-subtle); }
}

@media (max-width: 480px) {
  .admin-content { padding: 12px 10px; }
  .admin-header h1 { font-size: 13px; }
  .admin-header .admin-user a span { display: none; }
  .admin-sidebar { padding: 6px 8px; gap: 3px; }
  .admin-sidebar a { padding: 6px 8px; font-size: 11px; }
  .admin-sidebar a i { font-size: 12px; width: 16px; }
  .stats-grid { grid-template-columns: 1fr; }
  .modal-box { padding: 20px 16px; }
  .modal-actions { flex-direction: column; }
  .modal-actions .btn { width: 100%; justify-content: center; }
  .login-box { padding: 24px 16px; }
  .form-group input, .form-group textarea, .form-group select { padding: 8px 10px; font-size: 13px; }
  .page-header h2 { font-size: 15px; }
  table th, table td { padding: 6px 8px; font-size: 11px; }
  .filter-tabs .filter-btn { font-size: 10px; padding: 3px 8px; }
}