/**
 * Enhanced UI Components
 * Visual improvements for better user experience
 */

/* ============================================
   IMPROVED PROGRAM CARDS
   ============================================ */

.program-card {
    position: relative;
    border: none;
    border-radius: 20px !important;
    overflow: hidden;
    background: white;
    transition: all 0.3s ease;
    will-change: transform;
}

.program-card .card-body {
    border-radius: 20px !important;
    overflow: hidden;
}

.program-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12) !important;
}

/* Fix for inner elements with backgrounds */
.program-card .card-body > div:first-child {
    border-radius: 20px 20px 0 0 !important;
}

.program-card .card-body > div:last-child {
    border-radius: 0 0 20px 20px !important;
}

/* Enhanced badge styling */
.program-badge {
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: all 0.2s ease;
}

.program-badge:hover {
    transform: scale(1.05);
}

/* Favorite and Compare button states */
.btn-favorite.active,
.btn-compare.active {
    background-color: transparent !important;
    border-color: currentColor !important;
}

.btn-favorite.active {
    color: #dc2626 !important;
    border-color: #dc2626 !important;
}

.btn-favorite.active i {
    color: #dc2626 !important;
}

.btn-compare.active {
    color: #059669 !important;
    border-color: #059669 !important;
}

.btn-compare.active i {
    color: #059669 !important;
}

/* Compare button text - hide on very small screens */
@media (max-width: 380px) {
    .btn-compare .compare-text,
    .btn-favorite .favorite-text {
        display: none;
    }
}

/* Gradient backgrounds for program names */
.bg-gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    cursor: pointer;
}

.bg-gradient-primary:hover {
    background: linear-gradient(135deg, #5568d3 0%, #6a3f8f 100%) !important;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
    transform: scale(1.02);
}

/* ============================================
   IMPROVED BUTTONS
   ============================================ */

.btn {
    font-weight: 600;
    border-radius: 10px;
    padding: 0.625rem 1.25rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5568d3 0%, #6a3f8f 100%);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-success {
    box-shadow: 0 4px 15px rgba(5, 150, 105, 0.3);
}

.btn-success:hover {
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.5);
    transform: translateY(-2px);
}

.btn-outline-primary {
    border: 2px solid #667eea;
    color: #667eea;
    font-weight: 600;
}

.btn-outline-primary:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1.1rem;
    border-radius: 12px;
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.875rem;
    border-radius: 8px;
}

/* Pill buttons */
.rounded-pill {
    border-radius: 50px !important;
}

/* Icon buttons */
.btn i {
    transition: transform 0.3s ease;
}

.btn:hover i {
    transform: scale(1.1);
}

/* ============================================
   ENHANCED BADGES
   ============================================ */

.badge {
    padding: 0.5rem 0.875rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.badge:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.badge.bg-success {
    background: linear-gradient(135deg, #059669 0%, #047857 100%) !important;
}

.badge.bg-primary {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%) !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%) !important;
}

.badge.bg-info {
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%) !important;
}

/* ============================================
   IMPROVED FORM CONTROLS
   ============================================ */

.form-control,
.form-select {
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.form-control:focus,
.form-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.form-control::placeholder {
    color: #9ca3af;
    opacity: 1;
}

.input-group {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    overflow: hidden;
}

.input-group-text {
    background: #f3f4f6;
    border: 2px solid #e5e7eb;
    border-right: none;
    font-weight: 600;
    color: #6b7280;
}

/* ============================================
   ENHANCED CARDS
   ============================================ */

.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.card-header {
    border: none;
    border-radius: 15px 15px 0 0 !important;
    padding: 1.25rem 1.5rem;
    font-weight: 700;
}

.card-body {
    padding: 1.5rem;
}

/* ============================================
   SEARCH BOX IMPROVEMENTS
   ============================================ */

.search-box {
    background: white;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
}

.search-box:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* ============================================
   STAT CARDS
   ============================================ */

.stat-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.stat-card.stat-primary {
    border-left-color: #2563eb;
}

.stat-card.stat-success {
    border-left-color: #059669;
}

.stat-card.stat-warning {
    border-left-color: #f59e0b;
}

.stat-card.stat-danger {
    border-left-color: #dc2626;
}

.stat-card.stat-info {
    border-left-color: #0ea5e9;
}

/* ============================================
   PROGRESS BARS
   ============================================ */

.progress {
    height: 10px;
    border-radius: 10px;
    background: #e5e7eb;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-bar {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    transition: width 0.6s ease;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

/* ============================================
   ALERT IMPROVEMENTS
   ============================================ */

.alert {
    border: none;
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-left: 4px solid;
}

.alert-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-left-color: #0ea5e9;
    color: #075985;
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-left-color: #059669;
    color: #065f46;
}

.alert-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left-color: #f59e0b;
    color: #92400e;
}

.alert-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-left-color: #dc2626;
    color: #991b1b;
}

/* ============================================
   DROPDOWN IMPROVEMENTS
   ============================================ */

.dropdown-menu {
    border: none;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    padding: 0.75rem;
    animation: fadeIn 0.2s ease;
}

.dropdown-item {
    border-radius: 8px;
    padding: 0.625rem 1rem;
    transition: all 0.2s ease;
    font-weight: 500;
}

.dropdown-item:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateX(5px);
}

/* ============================================
   LIST GROUP IMPROVEMENTS
   ============================================ */

.list-group-item {
    border: none;
    border-radius: 10px;
    margin-bottom: 0.5rem;
    transition: all 0.2s ease;
    background: #f9fafb;
}

.list-group-item:hover {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    transform: translateX(5px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.list-group-item-action:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

/* ============================================
   PAGINATION IMPROVEMENTS
   ============================================ */

.pagination {
    gap: 0.5rem;
}

.page-item .page-link {
    border: none;
    border-radius: 10px;
    padding: 0.625rem 1.125rem;
    font-weight: 600;
    color: #667eea;
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.2s ease;
}

.page-item .page-link:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.page-item.active .page-link {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.page-item.disabled .page-link {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   MODAL IMPROVEMENTS
   ============================================ */

.modal-content {
    border: none;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    border: none;
    border-radius: 20px 20px 0 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem 2rem;
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border: none;
    padding: 1rem 2rem 1.5rem;
}

/* ============================================
   HERO SECTION IMPROVEMENTS
   ============================================ */

.hero-section {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.95) 0%, rgba(118, 75, 162, 0.95) 100%);
    border-radius: 0 0 50px 50px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.hover-underline {
    transition: all 0.3s ease;
    position: relative;
}

.hover-underline::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: white;
    transition: width 0.3s ease;
}

.hover-underline:hover::after {
    width: 100%;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 10s ease-in-out infinite;
    pointer-events: none; /* Allow clicks through this decorative element */
    z-index: 0;
}

.hero-section .container {
    position: relative;
    z-index: 1; /* Ensure content is above the ::before element */
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 4rem 2rem;
    border-radius: 30px;
    margin: 3rem 0;
    box-shadow: 0 15px 50px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
    .program-card:hover {
        transform: translateY(-4px) scale(1.01);
    }

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

    .card-header {
        padding: 1rem 1.25rem;
    }

    .card-body {
        padding: 1.25rem;
    }
}

/* ============================================
   DARK MODE SUPPORT (future)
   ============================================ */

@media (prefers-color-scheme: dark) {
    /* To be implemented */
}