/* ===== COURSE CATALOG CSS - CONSISTENT WITH MEDPREPONLINE THEME ===== */

:root {
    --primary-gradient: linear-gradient(135deg, #4fb3d9 0%, #5dbea3 100%);
    --primary-color: #4fb3d9;
    --secondary-color: #5dbea3;
    --accent-color: #2e8b8b;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --text-muted: #adb5bd;
    --bg-light: #f8fffe;
    --white: #ffffff;
    --shadow-light: 0 2px 15px rgba(79, 179, 217, 0.1);
    --shadow-medium: 0 10px 40px rgba(79, 179, 217, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Medical Theme Colors */
    --medical-teal: #20c997;
    --medical-blue: #0ea5e9;
    --medical-green: #22c55e;

    /* Border and Shadow */
    --border-color: #dee2e6;
    --border-light: #e9ecef;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
}

/* ===== HERO SECTION ===== */
.catalog-hero {
    background: linear-gradient(135deg, #f8fffe 0%, rgba(79, 179, 217, 0.05) 100%);
    padding: 4rem 0 3rem;
    position: relative;
    overflow: hidden;
}

.catalog-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(79,179,217,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== SEARCH SECTION ===== */
.search-section {
    margin-top: 2rem;
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 100%;
    /* ← Full width base */
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
    /* ← Add padding */
}


.search-form-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.search-container {
    display: flex;
    align-items: center;
    background: white;
    border: 2px solid #dee2e6;
    border-radius: 12px;
    overflow: hidden;
    width: 100% !important;
}

.search-icon-wrapper {
    padding: 0 1rem;
}

.search-input-field {
    flex: 1;
    border: none;
    padding: 1rem 1rem 1rem 0;
    font-size: 1rem;
    outline: none;
}

.search-btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #4fb3d9 0%, #5dbea3 100%);
    color: white;
    font-weight: 600;
}

.contact-info-bar {
    background: linear-gradient(135deg, rgba(79, 179, 217, 0.05) 0%, rgba(93, 190, 163, 0.05) 100%);
    padding: 0.5rem 1rem;

    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.contact-link {
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

.contact-link i {
    font-size: 0.9rem;
    /* Compact */
}

.contact-link:hover {
    background: var(--white);
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.contact-link.whatsapp-link:hover {
    color: var(--whatsapp-green);
}

/* Desktop Layout */
@media (min-width: 769px) {

    .search-section {
        max-width: 800px;
        padding: 0;

    }

    .search-form-wrapper {
        flex-direction: row;
        gap: 0;
    }

    .search-btn {
        width: auto;
        min-width: 120px;
    }

    .search-input {
        font-size: 0.9rem;
        padding: 0.75rem;
    }

    .input-group .btn {
        padding: 0.75rem 1rem;
        white-space: nowrap;
    }

    .contact-info-bar .d-flex {
        display: flex !important;
        flex-direction: row;
        justify-content: center;
        gap: 0rem 1rem
    }

    /* Phone on line 1 */
    .contact-link:nth-child(1) {
        grid-row: 1;
    }

    /* WhatsApp + Email on line 2 */
    .contact-link:nth-child(2),
    .contact-link:nth-child(3) {
        grid-row: 2;
    }

}

@media (min-width: 1200px) {
    .search-section {
        max-width: 900px;
    }
}

@media (max-width: 992px) {
    .filters-sidebar {
        display: none !important;
    }
}

.course-price-display {
    display: flex;
    align-items: center;
}

.price-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price-text.free {
    color: var(--primary-color);
}


/*
.input-group-text {
    border-right: none !important;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.input-group .btn {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}
*/
/* ===== MAIN CONTENT ===== */
.catalog-content {
    background: var(--bg-light);
}

/* ===== FILTERS SIDEBAR ===== */
.filters-sidebar {
    position: sticky;
    top: 2rem;
}

.filter-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.filter-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--white) 100%);
    border-bottom: 1px solid var(--border-light);
}

.filter-form {
    padding: 1.5rem;
}

.filter-section {
    margin-bottom: 2rem;
}

.filter-section:last-child {
    margin-bottom: 1rem;
}

.filter-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.filter-option {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    margin: 0;
}

.filter-option:hover {
    background-color: rgba(79, 179, 217, 0.05);
}

.filter-option input[type="radio"] {
    margin-right: 0.75rem;
    accent-color: var(--primary-color);
}

.filter-label {
    flex-grow: 1;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.course-count {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Tags Filter */
.tags-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-filter {
    margin: 0;
    cursor: pointer;
}

.tag-filter input[type="checkbox"] {
    display: none;
}

.tag-label {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: var(--border-light);
    color: var(--text-dark);
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid transparent;
}

.tag-filter input[type="checkbox"]:checked+.tag-label {
    background: var(--primary-gradient);
    color: var(--white);
    transform: translateY(-1px);
}

.tag-filter:hover .tag-label {
    border-color: var(--primary-color);
}

.filter-actions {
    border-top: 1px solid var(--border-light);
    padding-top: 1rem;
    margin-top: 1rem;
}

/* ===== RESULTS HEADER ===== */
.results-header {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-light);
}

.sort-options select {
    min-width: 180px;
    border-color: var(--border-color);
}

/* ===== COURSE GRID ===== */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* ===== COURSE CARD ===== */
.course-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

/* Course Image */
/* .course-image {
    image-rendering: auto;
    /* position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--bg-light); 
}

.card-img {
    image-rendering: auto;
    /* width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition); 
}

*/
.course-image {
    position: relative;
    /* Use aspect-ratio matching the 1200×630 thumbnail (40:21 ≈ 16:8.4)
       so the container scales with card width — no fixed-height cropping */
    aspect-ratio: 40 / 21;
    width: 100%;
    overflow: hidden;
    background: var(--bg-light);
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* center keeps both focal-point and bottom visible */
    object-position: center center;
    /* auto is correct for photos — crisp-edges is for pixel art and causes blur */
    image-rendering: auto;
    display: block;
}

.course-card:hover .card-img {
    image-rendering: auto;
    /* transform: scale(1.05); */
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
}

/* Course Overlay */
.course-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.course-card:hover .course-overlay {
    opacity: 1;
}

.course-actions {
    display: flex;
    gap: 0.75rem;
}

/* Price Badge */
.price-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 10;
}

.price-badge .badge {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius);
}

/* Course Content */
.course-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.category-tag {
    background: rgba(79, 179, 217, 0.1);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.course-date {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.course-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.course-title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

.course-title a:hover {
    color: var(--primary-color);
}

.course-description {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.course-instructor {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

/* Course Tags */
.course-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 500;
}

.tag-more {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Course Footer */
.course-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-light);
    background: var(--bg-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.course-stats {
    display: flex;
    gap: 1rem;
}

.stat {
    color: var(--text-muted);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
}

.course-cta .btn {
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    font-weight: 600;
}

/* ===== PAGINATION ===== */
.pagination-wrapper {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
}

.pagination {
    --bs-pagination-color: var(--primary-color);
    --bs-pagination-border-color: var(--border-color);
    --bs-pagination-hover-color: var(--white);
    --bs-pagination-hover-bg: var(--primary-color);
    --bs-pagination-hover-border-color: var(--primary-color);
    --bs-pagination-active-color: var(--white);
    --bs-pagination-active-bg: var(--primary-color);
    --bs-pagination-active-border-color: var(--primary-color);
}

.page-link {
    border-radius: var(--border-radius);
    margin: 0 2px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.page-link:hover {
    transform: translateY(-1px);
}

/* ===== EMPTY STATE ===== */
.empty-state {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
}

/* ===== BUTTONS ===== */
/* .btn-primary {
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
    filter: brightness(1.05);
} */

/* .btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.btn-outline-primary:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    transform: translateY(-1px);
} */

.btn-outline-secondary {
    border: 2px solid var(--border-color);
    color: var(--text-light);
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.btn-outline-secondary:hover {
    background: var(--bg-light);
    border-color: var(--text-light);
    color: var(--text-dark);
}

.btn-success {
    background: linear-gradient(135deg, var(--medical-green) 0%, #16a085 100%);
    border: none;
}

.btn-light {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    backdrop-filter: blur(10px);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .courses-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 992px) {
    .catalog-hero {
        padding: 3rem 0 2rem;
    }

    .filters-sidebar {
        position: static;
        margin-bottom: 2rem;
    }

    .results-header .d-flex {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch !important;
    }

    .sort-options {
        align-self: stretch;
    }

    .sort-options .d-flex {
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .catalog-hero {
        padding: 2rem 0 1.5rem;
    }

    .catalog-hero h1 {
        font-size: 2.5rem;
    }

    .search-wrapper {
        max-width: 100%;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .course-card {
        max-width: 400px;
        margin: 0 auto;
    }

    .filter-form {
        padding: 1rem;
    }

    .course-footer {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .course-stats {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .catalog-hero h1 {
        font-size: 2rem;
    }

    /* .input-group {
        flex-direction: column; 
    }*/

    .input-group .btn {
        border-radius: var(--border-radius);
        margin-top: 0.5rem;
    }

    .input-group-text {
        border-radius: var(--border-radius) var(--border-radius) 0 0;
        border-bottom: none;
    }

    .search-input {
        border-radius: 0 0 var(--border-radius) var(--border-radius);
        border-top: none !important;
    }

    .course-content {
        padding: 1rem;
    }

    .course-footer {
        padding: 1rem;
    }

    .course-meta {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 179, 217, 0.25);
}

/* ===== LOADING ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.course-card {
    animation: fadeInUp 0.6s ease-out forwards;
}

.course-card:nth-child(1) {
    animation-delay: 0.1s;
}

.course-card:nth-child(2) {
    animation-delay: 0.2s;
}

.course-card:nth-child(3) {
    animation-delay: 0.3s;
}

.course-card:nth-child(4) {
    animation-delay: 0.4s;
}

.course-card:nth-child(5) {
    animation-delay: 0.5s;
}

.course-card:nth-child(6) {
    animation-delay: 0.6s;
}

/* =========================================
   REMOVE "SORT BY" ON MOBILE VIEW
   ========================================= */
@media (max-width: 768px) {
    .sort-options {
        display: none !important;
    }
}