/**
 * GAC (Get A Champ) - Design System & Styles
 *
 * CSS VARIABLE REFERENCE:
 *
 * COLORS:
 * Primary: --primary-color, --primary-dark, --primary-light
 * Status: --success-color, --warning-color, --danger-color
 * Neutral: --dark-color, --light-color, --secondary-color
 * Semantic: --success-bg, --success-text, --warning-bg, --warning-text,
 *           --danger-bg, --danger-text, --white, --border-color
 *
 * SPACING:
 * --spacing-xs: 0.25rem (4px)
 * --spacing-sm: 0.5rem (8px)
 * --spacing-md: 1rem (16px)
 * --spacing-lg: 1.5rem (24px)
 * --spacing-xl: 2rem (32px)
 *
 * TYPOGRAPHY:
 * --fs-hero: 20rem (hero emoji size)
 * --fs-display: 4rem (large display text)
 * --fs-heading: 3rem (page headings)
 *
 * EFFECTS:
 * Shadows: --shadow-sm, --shadow-md, --shadow-lg, --shadow-xl
 * Border Radius: --radius (12px), --radius-sm (8px)
 * Transition: --transition (smooth cubic-bezier)
 */

:root {
  /* Brand Colors */
  --primary-color: #2563eb;
  --primary-rgb: 37, 99, 235;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --secondary-color: #64748b;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --dark-color: #0f172a;
  --light-color: #f8fafc;
  --white: #ffffff;
  --border-color: #e2e8f0;

  /* Semantic Colors */
  --success-bg: #d1fae5;
  --success-text: #065f46;
  --warning-bg: #fef3c7;
  --warning-text: #92400e;
  --danger-bg: #fee2e2;
  --danger-text: #991b1b;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Border Radius */
  --radius: 12px;
  --radius-sm: 8px;

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Spacing Scale */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;

  /* Typography Scale */
  --fs-hero: 20rem;
  --fs-display: 4rem;
  --fs-heading: 3rem;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark-color);
  background-color: var(--white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

/* Modern Navigation */
.navbar-modern {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark-color) !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand-logo {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.brand-text {
  line-height: 1;
}

.brand-icon {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
}

.navbar-modern .nav-link {
  color: var(--secondary-color);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

.navbar-modern .nav-link:hover {
  color: var(--primary-color);
  background-color: var(--primary-light);
}

.navbar-modern .nav-link.active {
  color: var(--primary-color);
}

.navbar-modern .dropdown-menu {
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius);
  padding: 0.5rem;
  margin-top: 0.5rem;
}

.navbar-modern .dropdown-item {
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  transition: var(--transition);
}

.navbar-modern .dropdown-item:hover {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

/* Buttons */
.btn {
  border-radius: var(--radius-sm);
  padding: 0.625rem 1.5rem;
  font-weight: 500;
  border: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: var(--primary-dark);
}

.btn-outline-primary {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--primary-color);
  color: white;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Cards */
.card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
  background: white;
}

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

.card-header {
  background-color: var(--light-color);
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 1.5rem;
  font-weight: 600;
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--dark-color);
}

.card-text {
  color: var(--secondary-color);
}

/* Stat Cards */
.stat-card {
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary-color), var(--primary-dark));
}

.stat-card .card-title {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--secondary-color);
  font-weight: 600;
}

.stat-card .display-4 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--dark-color);
}

/* Alerts */
.alert-modern {
  border: none;
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  border-left: 4px solid;
}

.alert-success {
  background-color: var(--success-bg);
  border-color: var(--success-color);
  color: var(--success-text);
}

.alert-warning {
  background-color: var(--warning-bg);
  border-color: var(--warning-color);
  color: var(--warning-text);
}

.alert-danger {
  background-color: var(--danger-bg);
  border-color: var(--danger-color);
  color: var(--danger-text);
}

.alert-info {
  background-color: var(--primary-light);
  border-color: var(--primary-color);
  color: var(--primary-dark);
}

/* Tables */
.table {
  border-collapse: separate;
  border-spacing: 0;
}

.table thead th {
  background-color: var(--light-color);
  color: var(--dark-color);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  padding: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.table tbody tr {
  transition: var(--transition);
}

.table-hover tbody tr:hover {
  background-color: var(--light-color);
  transform: scale(1.01);
}

.table td {
  padding: 1rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--border-color);
}

/* Badges */
.badge {
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.bg-success {
  background-color: var(--success-color) !important;
}

.bg-warning {
  background-color: var(--warning-color) !important;
}

.bg-danger {
  background-color: var(--danger-color) !important;
}

.bg-info {
  background-color: var(--primary-color) !important;
}

/* Forms */
.form-control {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  transition: var(--transition);
  font-size: 1rem;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-light);
  outline: none;
}

.input-group {
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius);
  overflow: hidden;
}

/* Hero Section */
.hero-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 100%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
  opacity: 0.1;
  border-radius: 50%;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--dark-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--secondary-color);
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* Feature Cards */
.feature-card {
  text-align: center;
  padding: 2rem;
  border-radius: var(--radius);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 2rem;
  color: white;
}

/* Footer */
.footer {
  background-color: var(--light-color);
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

/* Pagination */
.pagination {
  gap: 0.5rem;
}

.page-link {
  border: 1px solid var(--border-color);
  color: var(--secondary-color);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.page-link:hover {
  background-color: var(--primary-light);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.page-item.active .page-link {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* Tabs */
.nav-tabs {
  border-bottom: 2px solid var(--border-color);
}

.nav-tabs .nav-link {
  border: none;
  color: var(--secondary-color);
  padding: 1rem 1.5rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.nav-tabs .nav-link:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.nav-tabs .nav-link.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  background: transparent;
}

/* Utilities */
.text-muted {
  color: var(--secondary-color) !important;
}

.bg-light {
  background-color: var(--light-color) !important;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Shared summary helpers */
.summary-mini-card {
  background: var(--light-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1rem 1.25rem;
}

.summary-mini-label {
  color: var(--secondary-color);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.summary-mini-value {
  color: var(--dark-color);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  h1 {
    font-size: 2rem;
  }

  .stat-card .display-4 {
    font-size: 2rem;
  }

  .navbar-modern {
    padding: 0.75rem 0;
  }

  .nav-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    scrollbar-width: thin;
  }

  .nav-tabs .nav-link {
    padding: 0.75rem 1rem;
  }

  .table thead th,
  .table td {
    padding: 0.75rem;
  }

  .table-hover tbody tr:hover {
    transform: none;
  }

  .responsive-action-group {
    width: 100%;
  }

  .responsive-action-group .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Tablet Breakpoint */
@media (max-width: 992px) {
  .navbar-nav {
    padding: 1rem 0;
  }

  .stat-card {
    margin-bottom: 1rem;
  }

  .container {
    padding: 0 1.5rem;
  }
}

/* Large Desktop Breakpoint */
@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }

  .hero-section {
    padding: 8rem 0;
  }
}

/* ==========================================
 * UTILITY CLASSES
 * Common patterns extracted from inline styles
 * ========================================== */

/* Text Color Utilities */
.text-warning-custom {
  color: var(--warning-color);
}

.text-success-custom {
  color: var(--success-color);
}

.text-danger-custom {
  color: var(--danger-color);
}

/* Hero Emoji - Large decorative emoji */
.hero-emoji {
  font-size: var(--fs-hero);
  color: var(--primary-color);
  opacity: 0.1;
  line-height: 1;
}

/* Display Text - Large headings */
.display-text {
  font-size: var(--fs-display);
  font-weight: 700;
  line-height: 1.1;
}

/* Heading Text - Page headings */
.heading-text {
  font-size: var(--fs-heading);
  font-weight: 600;
}

/* Avatar Circle - User profile images */
.avatar-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.avatar-circle-lg {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

/* Background Utilities */
.bg-light-custom {
  background-color: var(--light-color);
}

.bg-primary-light {
  background-color: var(--primary-light);
}

/* Border Utilities */
.border-success {
  border-color: var(--success-color);
}

.border-warning {
  border-color: var(--warning-color);
}

.border-danger {
  border-color: var(--danger-color);
}

/* Donation landing page */
.donation-landing-hero {
  padding-bottom: 1.5rem;
}

.donation-landing-copy {
  max-width: 34rem;
}

.donation-trust-list {
  display: grid;
  gap: 0.75rem;
}

.donation-trust-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--secondary-color);
  font-weight: 500;
}

.donation-amount-panel {
  border-radius: 20px;
}

.donation-amount-card {
  min-height: 88px;
  justify-content: center;
  flex-direction: column;
  gap: 0.2rem;
  border: 1px solid var(--border-color);
  background: var(--white);
  color: var(--dark-color);
  box-shadow: var(--shadow-sm);
}

.donation-amount-card:hover,
.donation-amount-card.active {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, var(--primary-light), var(--white));
  color: var(--primary-dark);
  box-shadow: var(--shadow-md);
}

.donation-amount-value {
  font-size: 1.15rem;
  font-weight: 700;
}

.donation-amount-caption {
  font-size: 0.8rem;
  color: var(--secondary-color);
}

@media (max-width: 768px) {
  .donation-landing-hero {
    padding-top: 3rem;
  }

  .donation-amount-card {
    min-height: 76px;
  }
}

/* Legacy alert styles removed - use Bootstrap's alert-danger instead of alert-error */