/* ============================================
   Learn Computer Academy - Competitor Analysis CSS
   ============================================ */

/* CSS Variables */
:root {
    --primary-color: #0d6efd;
    --primary-dark: #0056b3;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --box-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    --text-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

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

body {
    font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    font-feature-settings: 'kern' 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header Styles */
header {
    background: var(--gradient-primary) !important;
    box-shadow: 0 4px 20px rgba(13, 110, 253, 0.25);
    border: none;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" fill-opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" fill-opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" fill-opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

header h1 {
    font-weight: 700;
    letter-spacing: -0.025em;
    position: relative;
    z-index: 1;
}

header iconify-icon {
    font-size: 1.5rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

#totalCount {
    font-size: 1rem !important;
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
}

/* Loading Spinner */
#loadingSpinner {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    margin: 2rem;
    backdrop-filter: blur(10px);
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 3px;
}

#loadingSpinner p {
    margin-top: 1rem;
    color: var(--secondary-color);
    font-weight: 500;
}

/* Card Styles */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.card-header {
    background: linear-gradient(135deg, rgba(248, 249, 250, 0.8) 0%, rgba(233, 236, 239, 0.8) 100%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--border-radius) var(--border-radius) 0 0 !important;
    backdrop-filter: blur(10px);
}

.card-header h5 {
    font-weight: 600;
    color: var(--dark-color);
    margin: 0;
}

/* Filter Section */
.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-control, .form-select {
    border-radius: var(--border-radius-sm);
    border: 1px solid #e1e5e9;
    padding: 0.75rem;
    font-size: 0.95rem;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.9);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
    background: white;
}

.input-group-text {
    background: var(--light-color);
    border: 1px solid #e1e5e9;
    border-right: none;
    color: var(--secondary-color);
}

/* Buttons */
.btn {
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    box-shadow: 0 4px 14px rgba(13, 110, 253, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(13, 110, 253, 0.35);
}

.btn-outline-secondary {
    border-color: #dee2e6;
    color: var(--secondary-color);
}

.btn-outline-secondary:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-1px);
}

/* Competitor Cards */
.competitor-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    cursor: pointer;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.competitor-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.competitor-card:hover {
    box-shadow: var(--box-shadow-hover);
    transform: translateY(-6px) scale(1.02);
    background: white;
    border-color: rgba(13, 110, 253, 0.1);
}

.competitor-card:hover::before {
    transform: scaleX(1);
}

.competitor-card:active {
    transform: translateY(-3px) scale(1.01);
}

/* Card Content */
.card-favicon {
    text-align: center;
    margin-bottom: 1.25rem;
}

.favicon-img {
    width: 56px;
    height: 56px;
    border-radius: var(--border-radius-sm);
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.competitor-card:hover .favicon-img {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    color: var(--dark-color);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
    min-height: 2.6rem;
    letter-spacing: -0.01em;
}

.card-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.stars {
    display: flex;
    gap: 2px;
}

.star-filled {
    color: #ffc107;
    font-size: 1rem;
    filter: drop-shadow(0 1px 2px rgba(255, 193, 7, 0.3));
}

.star-empty {
    color: #e9ecef;
    font-size: 1rem;
}

.rating-text {
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-weight: 500;
}

.card-location, .card-category {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: var(--secondary-color);
    gap: 0.25rem;
}

.card-location iconify-icon, .card-category iconify-icon {
    color: var(--primary-color);
    font-size: 1rem;
}

.card-location span, .card-category span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Results and Sorting */
#resultsCount {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 1.1rem;
}

.form-select-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    border-radius: var(--border-radius-sm);
}

/* Pagination */
.pagination {
    --bs-pagination-border-radius: var(--border-radius-sm);
    gap: 0.25rem;
}

.page-item .page-link {
    border: none;
    color: var(--secondary-color);
    font-weight: 500;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.page-item.active .page-link {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

.page-item:not(.disabled) .page-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.25);
}

.page-item.disabled .page-link {
    background: rgba(255, 255, 255, 0.5);
    color: #adb5bd;
}

/* Competitor Details Modal Styles */
.competitor-details {
    padding: 1rem;
}

.competitor-details h4 {
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.competitor-details h5 {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(13, 110, 253, 0.1);
}

.competitor-details .table {
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.competitor-details .table td {
    border: none;
    padding: 0.75rem;
    vertical-align: middle;
}

.competitor-details .table tr:nth-child(even) {
    background: rgba(248, 249, 250, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    header h1 {
        font-size: 1.5rem;
    }
    
    #totalCount {
        font-size: 0.9rem !important;
        padding: 0.5rem 1rem;
    }
    
    .competitor-card {
        padding: 1.25rem;
    }
    
    .card-title {
        font-size: 1rem;
    }
    
    .favicon-img {
        width: 48px;
        height: 48px;
    }
    
    .form-control, .form-select {
        padding: 0.625rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .card-body .row.g-3 {
        --bs-gutter-x: 1rem;
    }
    
    .col-md-3 {
        margin-bottom: 1rem;
    }
    
    .d-flex.justify-content-between {
        flex-direction: column;
        gap: 1rem;
    }
    
    .competitor-card:hover {
        transform: translateY(-3px) scale(1.01);
    }
}

/* Animation keyframes */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Apply animations */
.competitor-card {
    animation: slideInUp 0.5s ease forwards;
}

.card {
    animation: fadeIn 0.3s ease forwards;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Focus states for accessibility */
.competitor-card:focus-visible {
    outline: 3px solid rgba(13, 110, 253, 0.5);
    outline-offset: 2px;
}

.btn:focus-visible {
    outline: 3px solid rgba(13, 110, 253, 0.5);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    body {
        background: white !important;
    }
    
    .competitor-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #dee2e6 !important;
    }
    
    header {
        background: var(--primary-color) !important;
    }
}