/* Explore All Courses Modal */

:root {
    --modal-bg: rgba(255, 255, 255, 0.95);
    --modal-overlay: rgba(0, 0, 0, 0.4);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --primary: #3DBE7B;
    --text-main: #1a1a2e;
    --text-muted: #6b7280;
}

.courses-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--modal-overlay);
    backdrop-filter: blur(8px);
    display: none; /* Hidden by default */
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.courses-modal-overlay.active {
    display: flex;
    opacity: 1;
}

.courses-modal {
    background: var(--modal-bg);
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    border-radius: 32px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    padding: 40px;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.courses-modal-overlay.active .courses-modal {
    transform: translateY(0);
}

/* Header Section */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.modal-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    font-weight: 900;
    color: var(--text-main);
}

.close-modal {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid #e5e7eb;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 20px;
}

.close-modal:hover {
    background: #f3f4f6;
    transform: rotate(90deg);
}

/* Controls Section */
.modal-controls {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.search-wrapper {
    flex: 1;
    min-width: 200px;
    position: relative;
}

.search-wrapper input {
    width: 100%;
    padding: 12px 20px 12px 45px;
    border-radius: 50px;
    border: 1px solid #e5e7eb;
    outline: none;
    font-family: 'DM Sans', sans-serif;
    transition: border-color 0.2s;
}

.search-wrapper input:focus {
    border-color: var(--primary);
}

.search-wrapper .search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.filter-btn, .sort-select {
    padding: 10px 20px;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    background: white;
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-main);
}

.sort-select {
    outline: none;
}

/* Course Grid */
.courses-modal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

/* Course Card */
.modal-course-card {
    background: white;
    border-radius: 20px;
    padding: 24px;
    border: 1px solid #f3f4f6;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.modal-course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow);
    border-color: var(--primary);
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.category-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.card-dots {
    color: var(--text-muted);
    cursor: pointer;
}

.course-cat {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 500;
}

.course-name {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
    color: var(--text-main);
}

.instructor-info {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
}

.instr-avatar-small {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: white;
}

.instr-name-small {
    font-size: 13px;
    color: var(--text-muted);
}

.course-stats {
    display: flex;
    gap: 15px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.card-actions {
    margin-top: auto;
}

.btn-action {
    width: 100%;
    padding: 10px;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'DM Sans', sans-serif;
}

.btn-view {
    background: #f9fafb;
    color: var(--text-main);
    border: 1px solid #e5e7eb;
}

.btn-view:hover {
    background: #f3f4f6;
}

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

.btn-enroll:hover {
    background: #34a86c;
}

/* Scrollbar Styling */
.courses-modal::-webkit-scrollbar {
    width: 6px;
}

.courses-modal::-webkit-scrollbar-track {
    background: transparent;
}

.courses-modal::-webkit-scrollbar-thumb {
    background: #e5e7eb;
    border-radius: 10px;
}

@media (max-width: 640px) {
    .courses-modal {
        padding: 24px;
        width: 95%;
    }
    
    .modal-controls {
        flex-direction: column;
    }
    
    .search-wrapper {
        width: 100%;
    }
}