/**
 * Courtello Custom Theme CSS
 * Extends Bootstrap 5.3 with Courtello branding
 */

/* ========================================
   CSS VARIABLES - COURTELLO PALETTE
   ======================================== */
:root {
  /* Primary Colors */
  --courtello-primary: #2563EB;
  --courtello-primary-hover: #1D4ED8;
  --courtello-secondary: #10B981;
  --courtello-accent: #F59E0B;
  --courtello-dark: #1F2937;
  --courtello-light: #F9FAFB;
  --courtello-danger: #EF4444;

  /* Grays */
  --courtello-gray-100: #F3F4F6;
  --courtello-gray-200: #E5E7EB;
  --courtello-gray-300: #D1D5DB;
  --courtello-gray-600: #4B5563;
  --courtello-gray-800: #1F2937;
  --courtello-gray-900: #111827;

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

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

/* ========================================
   GLOBAL STYLES
   ======================================== */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--courtello-gray-900);
  font-size: 16px;
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
  font-weight: 700;
}

.lead {
  font-size: 1.125rem;
  font-weight: 400;
}

/* Links */
a {
  color: var(--courtello-primary);
  text-decoration: none;
  transition: var(--courtello-transition);
}

a:hover {
  color: var(--courtello-primary-hover);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  font-weight: 500;
  border-radius: 0.5rem;
  padding: 0.625rem 1.25rem;
  transition: var(--courtello-transition);
}

.btn-primary {
  background-color: var(--courtello-primary);
  border-color: var(--courtello-primary);
}

.btn-primary:hover {
  background-color: var(--courtello-primary-hover);
  border-color: var(--courtello-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--courtello-shadow-lg);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1.125rem;
}

/* ========================================
   CARDS
   ======================================== */
.card {
  border-radius: 0.75rem;
  border: 1px solid var(--courtello-gray-200);
  transition: var(--courtello-transition);
}

.card:hover.hover-shadow-lg {
  box-shadow: var(--courtello-shadow-xl);
  transform: translateY(-4px);
}

.transition {
  transition: var(--courtello-transition);
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
  padding-top: 1rem;
  padding-bottom: 1rem;
  transition: var(--courtello-transition);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--courtello-primary) !important;
}

.nav-link {
  font-weight: 500;
  color: var(--courtello-gray-800) !important;
  padding: 0.5rem 1rem !important;
  transition: var(--courtello-transition);
}

.nav-link:hover {
  color: var(--courtello-primary) !important;
}

.nav-link.active {
  color: var(--courtello-primary) !important;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero-section {
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  border-bottom: 1px solid var(--courtello-gray-200);
}

/* ========================================
   FOOTER
   ======================================== */
footer .hover-primary:hover {
  color: var(--courtello-primary) !important;
}

/* ========================================
   UTILITIES
   ======================================== */
.bg-primary {
  background-color: var(--courtello-primary) !important;
}

.text-primary {
  color: var(--courtello-primary) !important;
}

.shadow-sm {
  box-shadow: var(--courtello-shadow-sm) !important;
}

.shadow {
  box-shadow: var(--courtello-shadow) !important;
}

.shadow-lg {
  box-shadow: var(--courtello-shadow-lg) !important;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
  .display-4 {
    font-size: 2.5rem;
  }

  .display-5 {
    font-size: 2rem;
  }

  .lead {
    font-size: 1rem;
  }

  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
}

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

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

/* ========================================
   FORMS
   ======================================== */
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
  border-color: var(--courtello-primary);
  box-shadow: 0 0 0 0.25rem rgba(37, 99, 235, 0.15);
}

.form-check-input:checked {
  background-color: var(--courtello-primary);
  border-color: var(--courtello-primary);
}

/* ========================================
   TABLES
   ======================================== */
.table {
  border-radius: 0.5rem;
  overflow: hidden;
}

.table thead {
  background-color: var(--courtello-gray-100);
}

/* ========================================
   BADGES
   ======================================== */
.badge {
  font-weight: 600;
  padding: 0.375rem 0.75rem;
  border-radius: 0.375rem;
}

/* ========================================
   ACCORDION
   ======================================== */
.accordion-button:not(.collapsed) {
  background-color: var(--courtello-light);
  color: var(--courtello-primary);
}

.accordion-button:focus {
  border-color: var(--courtello-primary);
  box-shadow: 0 0 0 0.25rem rgba(37, 99, 235, 0.15);
}