/* ==========================================================================
   RCCG Covenant Sanctuary Teens Church Management System
   Modern Design System & Responsive UI Stylesheet
   ========================================================================== */

:root {
  /* Color Palette - Curated Deep Blue & Indigo Church Palette */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;
  --primary-950: #0f172a;

  /* Accent Colors */
  --accent-gold: #f59e0b;
  --accent-gold-light: #fef3c7;
  --success: #10b981;
  --success-bg: #ecfdf5;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --info: #06b6d4;

  /* Neutrals & Surfaces - Light Mode */
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f1f5f9;
  --border-subtle: #e2e8f0;
  --border-medium: #cbd5e1;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  /* Shadows & Glassmorphism */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-main: #0b0f19;
  --bg-surface: #111827;
  --bg-surface-alt: #1f2937;
  --border-subtle: #2d3748;
  --border-medium: #374151;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-inverse: #0b0f19;
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Container & Shell */
.app-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 1.25rem 2rem;
}

/* Header & Branding */
.main-header {
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #0f172a 100%);
  color: #ffffff;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 1.25rem 2rem;
  box-shadow: var(--shadow-lg);
  margin-bottom: 1.75rem;
  position: relative;
  overflow: hidden;
}

.main-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, transparent 70%);
  pointer-events: none;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  background: #ffffff;
  border-radius: var(--radius-full);
  padding: 4px;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

.brand-title {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.85rem;
  color: #93c5fd;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.date-badge {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-icon {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.25rem;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.nav-tab {
  background: transparent;
  color: #bfdbfe;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-tab:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.nav-tab.active {
  color: #0f172a;
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Stat Widgets Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

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

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.stat-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.stat-value {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
}

.stat-subtext {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.stat-card.primary { border-left: 4px solid var(--primary-600); }
.stat-card.success { border-left: 4px solid var(--success); }
.stat-card.warning { border-left: 4px solid var(--warning); }
.stat-card.info { border-left: 4px solid var(--info); }

/* Tab Content Areas */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 200ms ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Attendance Kiosk Layout */
.kiosk-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.75rem;
}

@media (max-width: 992px) {
  .kiosk-grid {
    grid-template-columns: 1fr;
  }
}

.panel-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.75rem;
}

.panel-title {
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* MIN Input Station */
.min-input-group {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.input-large {
  flex: 1;
  padding: 0.85rem 1.25rem;
  font-size: 1.25rem;
  font-weight: 700;
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-md);
  background: var(--bg-surface-alt);
  color: var(--text-main);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-large:focus {
  border-color: var(--primary-600);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
  background: var(--bg-surface);
}

/* Member Verification Card */
.verification-card {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 1.25rem;
  position: relative;
}

.member-avatar {
  width: 110px;
  height: 110px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  border: 3px solid #ffffff;
  box-shadow: var(--shadow-md);
  background: #e2e8f0;
}

.member-info-col {
  flex: 1;
}

.member-name {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0.25rem;
}

.member-min-badge {
  display: inline-block;
  background: var(--primary-100);
  color: var(--primary-800);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.info-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.chip {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.chip.gold {
  background: var(--accent-gold-light);
  color: #92400e;
  border-color: #fde68a;
  font-weight: 700;
}

/* Action Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary-600);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--primary-700);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-success {
  background: var(--success);
  color: #ffffff;
}

.btn-success:hover {
  background: #059669;
}

.btn-outline {
  background: transparent;
  border-color: var(--border-medium);
  color: var(--text-main);
}

.btn-outline:hover {
  background: var(--bg-surface-alt);
}

.btn-danger {
  background: var(--danger);
  color: #ffffff;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1.1rem;
}

/* Punctuality Milestones Table */
.milestones-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
}

.milestones-table th,
.milestones-table td {
  padding: 0.65rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.9rem;
}

.milestones-table th {
  background: var(--bg-surface-alt);
  font-weight: 700;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
}

/* Live Attendance Stream */
.attendance-stream {
  max-height: 420px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.stream-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.65rem 0.85rem;
  background: var(--bg-surface-alt);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.stream-item:hover {
  background: var(--border-subtle);
}

.stream-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.stream-details {
  flex: 1;
}

.stream-name {
  font-size: 0.9rem;
  font-weight: 700;
}

.stream-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.stream-time {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-600);
}

/* Datatable & Search Filters */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  align-items: center;
}

.search-input {
  flex: 1;
  min-width: 250px;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  background: var(--bg-surface);
  color: var(--text-main);
}

.filter-select {
  padding: 0.6rem 1rem;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  background: var(--bg-surface);
  color: var(--text-main);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.modern-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.modern-table th {
  background: var(--bg-surface-alt);
  padding: 0.85rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-medium);
  cursor: pointer;
  user-select: none;
}

.modern-table th:hover {
  color: var(--primary-600);
}

.modern-table td {
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-subtle);
}

.modern-table tr:hover {
  background: rgba(59, 130, 246, 0.03);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
}

.badge-primary { background: var(--primary-100); color: var(--primary-800); }
.badge-success { background: var(--success-bg); color: #065f46; }
.badge-warning { background: var(--warning-bg); color: #92400e; }
.badge-danger { background: var(--danger-bg); color: #991b1b; }

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal-overlay.open {
  display: flex;
  animation: modalFade 200ms ease;
}

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

.modal-box {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border-subtle);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  background: var(--bg-surface-alt);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Form Layout */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-control {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  background: var(--bg-surface);
  color: var(--text-main);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary-600);
}

/* Camera Capture Box */
.camera-box {
  width: 100%;
  height: 300px;
  background: #000000;
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.camera-box video, .camera-box canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: #0f172a;
  color: #ffffff;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  min-width: 280px;
  animation: toastSlide 200ms ease;
  border-left: 4px solid var(--primary-500);
}

.toast.success { border-left-color: var(--success); }
.toast.danger { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

@keyframes toastSlide {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}