/* EduMaster Pro Frontend CSS */

:root {
    --edumaster-primary: #1e293b;
    --edumaster-primary-dark: #0f172a;
    --edumaster-secondary: #059669;
    --edumaster-accent: #dc2626;
    --edumaster-text: #333333;
    --edumaster-text-light: #666666;
    --edumaster-border: #e2e8f0;
    --edumaster-bg: #ffffff;
    --edumaster-bg-light: #f8fafc;
    --edumaster-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --edumaster-radius: 8px;
    --edumaster-transition: all 0.3s ease;
}

/* Genel Container Stilleri */
.edumaster-courses-container,
.edumaster-ebooks-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Grid Sistemleri */
.edumaster-courses-grid,
.edumaster-ebooks-grid {
    display: grid;
    gap: 30px;
    margin-bottom: 40px;
}

.edumaster-col-1 { grid-template-columns: 1fr; }
.edumaster-col-2 { grid-template-columns: repeat(2, 1fr); }
.edumaster-col-3 { grid-template-columns: repeat(3, 1fr); }
.edumaster-col-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .edumaster-col-2,
    .edumaster-col-3,
    .edumaster-col-4 {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .edumaster-col-3,
    .edumaster-col-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Eğitim Kartları */
.edumaster-course-card {
    background: var(--edumaster-bg);
    border-radius: var(--edumaster-radius);
    box-shadow: var(--edumaster-shadow);
    transition: var(--edumaster-transition);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.edumaster-course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.edumaster-course-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--edumaster-bg-light);
}

.edumaster-course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--edumaster-transition);
}

.edumaster-course-card:hover .edumaster-course-image img {
    transform: scale(1.05);
}

.edumaster-no-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 48px;
    color: var(--edumaster-text-light);
}

.edumaster-course-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 115, 170, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--edumaster-transition);
}

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

.edumaster-course-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.edumaster-course-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--edumaster-text);
    margin: 0 0 10px 0;
    line-height: 1.3;
}

.edumaster-course-description {
    color: var(--edumaster-text-light);
    font-size: 14px;
    line-height: 1.4;
    margin: 0 0 15px 0;
}

.edumaster-course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 13px;
}

.edumaster-course-students {
    display: flex;
    align-items: center;
    color: var(--edumaster-text-light);
}

.edumaster-course-students i {
    margin-right: 5px;
}

.edumaster-course-price {
    font-weight: 600;
}

.edumaster-price {
    color: var(--edumaster-primary);
    font-size: 16px;
}

.edumaster-price.edumaster-free {
    color: var(--edumaster-secondary);
}

/* E-Kitap Kartları */
.edumaster-ebook-card {
    background: var(--edumaster-bg);
    border-radius: var(--edumaster-radius);
    box-shadow: var(--edumaster-shadow);
    transition: var(--edumaster-transition);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.edumaster-ebook-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.edumaster-ebook-cover {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: var(--edumaster-bg-light);
}

.edumaster-ebook-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--edumaster-transition);
}

.edumaster-ebook-card:hover .edumaster-ebook-cover img {
    transform: scale(1.05);
}

.edumaster-no-cover {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 48px;
    color: var(--edumaster-text-light);
}

.edumaster-ebook-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(214, 54, 56, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    opacity: 0;
    transition: var(--edumaster-transition);
}

.edumaster-ebook-card:hover .edumaster-ebook-overlay {
    opacity: 1;
}

.edumaster-ebook-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.edumaster-ebook-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--edumaster-text);
    margin: 0 0 10px 0;
    line-height: 1.3;
}

.edumaster-ebook-description {
    color: var(--edumaster-text-light);
    font-size: 13px;
    line-height: 1.4;
    margin: 0 0 15px 0;
}

.edumaster-ebook-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    font-size: 12px;
    color: var(--edumaster-text-light);
}

.edumaster-ebook-sales,
.edumaster-ebook-format {
    display: flex;
    align-items: center;
}

.edumaster-ebook-sales i,
.edumaster-ebook-format i {
    margin-right: 5px;
}

.edumaster-ebook-price {
    text-align: center;
    margin-bottom: 15px;
}

/* Butonlar */
.edumaster-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border: none;
    border-radius: var(--edumaster-radius);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--edumaster-transition);
    white-space: nowrap;
    line-height: 1.2;
}

.edumaster-btn-small {
    padding: 6px 12px;
    font-size: 11px;
}

.edumaster-btn-compact {
    padding: 8px 14px;
    font-size: 12px;
}

.edumaster-btn i {
    margin-right: 8px;
    font-size: 16px;
}

.edumaster-btn-primary {
    background: var(--edumaster-primary);
    color: white;
    border: 2px solid var(--edumaster-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.edumaster-btn-primary:hover {
    background: var(--edumaster-primary-dark);
    border-color: var(--edumaster-primary-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 41, 59, 0.3);
}

.edumaster-btn-secondary {
    background: var(--edumaster-secondary);
    color: white;
}

.edumaster-btn-white {
    background: white;
    color: var(--edumaster-primary);
    border: 2px solid white;
}

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

.edumaster-btn-outline {
    background: transparent;
    color: var(--edumaster-primary);
    border: 2px solid var(--edumaster-primary);
}

.edumaster-btn-outline:hover {
    background: var(--edumaster-primary);
    color: white;
}

.edumaster-btn-block {
    width: 100%;
}

.edumaster-btn-large {
    padding: 15px 30px;
    font-size: 16px;
}

.edumaster-btn:disabled {
    background: var(--edumaster-border);
    color: var(--edumaster-text-light);
    cursor: not-allowed;
}

/* Tek Sayfa Görünümleri */
.edumaster-single-course,
.edumaster-single-ebook {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.edumaster-course-header,
.edumaster-ebook-header {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .edumaster-course-header,
    .edumaster-ebook-header {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.edumaster-course-image-large,
.edumaster-ebook-cover-large {
    border-radius: var(--edumaster-radius);
    overflow: hidden;
    box-shadow: var(--edumaster-shadow);
}

.edumaster-course-image-large img,
.edumaster-ebook-cover-large img {
    width: 100%;
    height: auto;
    display: block;
}

.edumaster-course-info h1,
.edumaster-ebook-info h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--edumaster-text);
    margin: 0 0 15px 0;
    line-height: 1.2;
}

@media (max-width: 768px) {
    .edumaster-course-info h1,
    .edumaster-ebook-info h1 {
        font-size: 24px;
    }
}

.edumaster-course-stats,
.edumaster-ebook-stats {
    display: flex;
    gap: 20px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.edumaster-stat {
    display: flex;
    align-items: center;
    color: var(--edumaster-text-light);
    font-size: 14px;
}

.edumaster-stat i {
    margin-right: 8px;
    color: var(--edumaster-primary);
}

.edumaster-price-large {
    font-size: 28px;
    font-weight: 700;
    color: var(--edumaster-primary);
    margin: 20px 0;
}

.edumaster-price-large.edumaster-free {
    color: var(--edumaster-secondary);
}

.edumaster-course-actions-large,
.edumaster-ebook-actions-large {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

@media (max-width: 480px) {
    .edumaster-course-actions-large,
    .edumaster-ebook-actions-large {
        flex-direction: column;
    }
}

/* İçerik Alanları */
.edumaster-course-content-full,
.edumaster-ebook-preview {
    background: var(--edumaster-bg);
    padding: 30px;
    border-radius: var(--edumaster-radius);
    box-shadow: var(--edumaster-shadow);
    margin-bottom: 40px;
}

.edumaster-course-content-full h3,
.edumaster-ebook-preview h3 {
    color: var(--edumaster-text);
    margin-bottom: 20px;
    font-size: 24px;
}

.edumaster-content,
.edumaster-demo-content {
    line-height: 1.6;
    color: var(--edumaster-text);
}

.edumaster-content h1,
.edumaster-content h2,
.edumaster-content h3,
.edumaster-content h4,
.edumaster-demo-content h1,
.edumaster-demo-content h2,
.edumaster-demo-content h3,
.edumaster-demo-content h4 {
    color: var(--edumaster-text);
    margin-top: 20px;
    margin-bottom: 10px;
}

.edumaster-content p,
.edumaster-demo-content p {
    margin-bottom: 15px;
}

.edumaster-content ul,
.edumaster-content ol,
.edumaster-demo-content ul,
.edumaster-demo-content ol {
    margin: 15px 0;
    padding-left: 20px;
}

/* Önizleme Fade Efekti */
.edumaster-preview-fade {
    position: relative;
    background: linear-gradient(transparent 0%, var(--edumaster-bg) 100%);
    padding: 40px 0 20px 0;
    margin-top: -40px;
    text-align: center;
}

/* İlgili İçerikler */
.edumaster-related-courses,
.edumaster-related-ebooks {
    margin-top: 60px;
}

.edumaster-related-courses h3,
.edumaster-related-ebooks h3 {
    font-size: 24px;
    color: var(--edumaster-text);
    margin-bottom: 30px;
    text-align: center;
}

/* Daha Fazla Yükle */
.edumaster-load-more {
    text-align: center;
    padding: 40px 0;
}

/* Boş Durumlar */
.edumaster-no-courses,
.edumaster-no-ebooks {
    text-align: center;
    padding: 60px 20px;
    color: var(--edumaster-text-light);
}

.edumaster-error {
    background: #fee;
    color: var(--edumaster-accent);
    padding: 20px;
    border-radius: var(--edumaster-radius);
    text-align: center;
    border: 1px solid rgba(214, 54, 56, 0.2);
}

/* Loading Animasyonları */
.edumaster-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Modal/Popup Stilleri */
.edumaster-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--edumaster-transition);
}

.edumaster-modal.edumaster-active {
    opacity: 1;
    visibility: visible;
}

.edumaster-modal-content {
    background: var(--edumaster-bg);
    border-radius: var(--edumaster-radius);
    padding: 30px;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    margin: 20px;
    transform: scale(0.9);
    transition: var(--edumaster-transition);
}

.edumaster-modal.edumaster-active .edumaster-modal-content {
    transform: scale(1);
}

.edumaster-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--edumaster-text-light);
    cursor: pointer;
}

.edumaster-modal-close:hover {
    color: var(--edumaster-text);
}

/* İkonlar */
.edumaster-icon-book::before { content: "📚"; }
.edumaster-icon-book-open::before { content: "📖"; }
.edumaster-icon-users::before { content: "👥"; }
.edumaster-icon-calendar::before { content: "📅"; }
.edumaster-icon-download::before { content: "⬇️"; }
.edumaster-icon-file-pdf::before { content: "📄"; }
.edumaster-icon-shopping-cart::before { content: "🛒"; }
.edumaster-icon-eye::before { content: "👁️"; }
.edumaster-icon-info::before { content: "ℹ️"; }
.edumaster-icon-cart::before { content: "🛒"; }

/* Responsive iyileştirmeleri */
@media (max-width: 480px) {
    .edumaster-courses-container,
    .edumaster-ebooks-container {
        padding: 15px;
    }
    
    .edumaster-courses-grid,
    .edumaster-ebooks-grid {
        gap: 20px;
    }
    
    .edumaster-course-content,
    .edumaster-ebook-content {
        padding: 15px;
    }
    
    .edumaster-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .edumaster-btn-large {
        padding: 12px 24px;
        font-size: 14px;
    }
}

/* Tooltip */
.edumaster-tooltip {
    position: relative;
    cursor: help;
}

.edumaster-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--edumaster-transition);
}

.edumaster-tooltip:hover::after {
    opacity: 1;
}

/* Modal Styles */
.edumaster-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.edumaster-modal-content {
    background: white;
    border-radius: var(--edumaster-radius);
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-animate-in {
    animation: modalBounceIn 0.5s ease !important;
}

@keyframes modalBounceIn {
    0% { 
        transform: scale(0.3) translateY(-50px); 
        opacity: 0; 
    }
    50% { 
        transform: scale(1.05) translateY(0); 
        opacity: 0.8; 
    }
    70% { 
        transform: scale(0.98); 
        opacity: 0.9; 
    }
    100% { 
        transform: scale(1); 
        opacity: 1; 
    }
}

.edumaster-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 24px;
    color: #999;
    cursor: pointer;
    z-index: 10;
    background: none;
    border: none;
    padding: 0;
    line-height: 1;
}

.edumaster-modal-close:hover {
    color: var(--edumaster-accent);
}

.course-modal-header {
    padding: 30px 30px 0;
    text-align: center;
}

.course-modal-header img {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    border-radius: var(--edumaster-radius);
    margin-bottom: 20px;
}

.course-modal-header h2 {
    margin: 0;
    color: var(--edumaster-text);
    font-size: 1.8rem;
}

.course-modal-body {
    padding: 20px 30px;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--edumaster-bg-light);
    border-radius: var(--edumaster-radius);
}

.course-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--edumaster-secondary);
}

.course-students {
    color: var(--edumaster-text-light);
    font-size: 0.9rem;
}

.course-description,
.course-content {
    margin-bottom: 20px;
}

.course-description h3,
.course-content h3 {
    color: var(--edumaster-text);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.course-modal-footer {
    padding: 0 30px 30px;
    display: flex;
    gap: 15px;
}

.course-modal-footer .edumaster-btn {
    flex: 1;
}

/* Loading Spinner */
.edumaster-loading {
    text-align: center;
    padding: 40px 20px;
}

.edumaster-spinner {
    display: inline-block;
    width: 30px;
    height: 30px;
    border: 3px solid var(--edumaster-border);
    border-top: 3px solid var(--edumaster-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Button Loading States */
.btn-loading .edumaster-spinner {
    width: 16px;
    height: 16px;
    border-width: 2px;
    margin: 0 5px 0 0;
    vertical-align: middle;
}

.edumaster-btn-success {
    background: var(--edumaster-secondary) !important;
    border-color: var(--edumaster-secondary) !important;
}

/* Notification System */
.edumaster-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: var(--edumaster-radius);
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 15px;
    min-width: 300px;
    animation: notificationSlideIn 0.3s ease;
}

@keyframes notificationSlideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.edumaster-notification-success {
    border-left: 4px solid var(--edumaster-secondary);
}

.edumaster-notification-error {
    border-left: 4px solid var(--edumaster-accent);
}

.edumaster-notification-info {
    border-left: 4px solid var(--edumaster-primary);
}

.notification-message {
    flex: 1;
    color: var(--edumaster-text);
}

.notification-close {
    background: none;
    border: none;
    font-size: 18px;
    color: #999;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.notification-close:hover {
    color: var(--edumaster-accent);
}

/* Cart Count Updates */
.cart-count, .cart-badge, .cart-bubble, .cart-notification {
    display: inline-block;
    background: var(--edumaster-secondary);
    color: white;
    border-radius: 50%;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    font-size: 11px;
    font-weight: bold;
    margin-left: 5px;
}

.cart-count:empty, .cart-badge:empty, .cart-bubble:empty {
    display: none;
}

/* Cart Icon Animation */
.cart-updated {
    animation: cartBounce 0.6s ease;
}

@keyframes cartBounce {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* Cart Modal Specific */
.edumaster-cart-modal .edumaster-modal-content {
    max-width: 400px;
    text-align: center;
    padding: 30px;
}

.edumaster-cart-modal h3 {
    color: var(--edumaster-secondary);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.modal-actions {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.modal-actions .edumaster-btn {
    flex: 1;
}

/* Course & Ebook Actions Compact Style */
.edumaster-course-actions,
.edumaster-ebook-actions {
    margin-top: auto;
    padding-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.edumaster-course-actions .edumaster-btn,
.edumaster-ebook-actions .edumaster-btn {
    width: 100%;
    padding: 10px 16px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    text-align: center;
    justify-content: center;
    box-sizing: border-box;
}

.edumaster-course-actions .edumaster-btn-secondary,
.edumaster-ebook-actions .edumaster-btn-secondary {
    width: 100%;
    padding: 8px 16px;
    font-size: 11px;
    opacity: 0.9;
    text-transform: none;
    letter-spacing: normal;
    background: var(--edumaster-bg-light);
    color: var(--edumaster-text-light);
    border: 1px solid var(--edumaster-border);
    text-align: center;
    justify-content: center;
    box-sizing: border-box;
}

.edumaster-course-actions .edumaster-btn-secondary:hover,
.edumaster-ebook-actions .edumaster-btn-secondary:hover {
    opacity: 1;
    background: var(--edumaster-border);
    color: var(--edumaster-text);
    transform: none;
}

/* Cart Modal Improvements */
.edumaster-cart-modal .edumaster-modal-content {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border: none;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border-radius: 16px;
    padding: 0;
    overflow: hidden;
}

.edumaster-cart-modal .modal-header {
    background: linear-gradient(135deg, var(--edumaster-secondary) 0%, #10b981 100%);
    color: white;
    padding: 24px 30px;
    text-align: center;
    position: relative;
}

.edumaster-cart-modal .modal-header::before {
    content: '✓';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: white;
    color: var(--edumaster-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.edumaster-cart-modal h3 {
    color: white;
    margin: 15px 0 10px 0;
    font-size: 1.4rem;
    font-weight: 600;
}

.edumaster-cart-modal .modal-body {
    padding: 30px;
    text-align: center;
}

.edumaster-cart-modal .modal-body p {
    color: var(--edumaster-text-light);
    margin: 0 0 25px 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin: 0;
}

.modal-actions .edumaster-btn {
    flex: 1;
    padding: 12px 20px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.modal-actions .edumaster-btn-primary {
    background: var(--edumaster-secondary);
    border-color: var(--edumaster-secondary);
    color: white;
}

.modal-actions .edumaster-btn-primary:hover {
    background: #10b981;
    border-color: #10b981;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
}

.modal-actions .edumaster-btn-secondary {
    background: transparent;
    border: 2px solid var(--edumaster-border);
    color: var(--edumaster-text-light);
    text-transform: none;
    letter-spacing: normal;
}

.modal-actions .edumaster-btn-secondary:hover {
    background: var(--edumaster-bg-light);
    border-color: var(--edumaster-text-light);
    color: var(--edumaster-text);
}

/* Responsive Improvements */
@media (max-width: 768px) {
    .edumaster-course-actions,
    .edumaster-ebook-actions {
        gap: 6px;
    }
    
    .edumaster-course-actions .edumaster-btn,
    .edumaster-ebook-actions .edumaster-btn {
        padding: 8px 14px;
        font-size: 11px;
    }
    
    .edumaster-course-actions .edumaster-btn-secondary,
    .edumaster-ebook-actions .edumaster-btn-secondary {
        padding: 6px 14px;
        font-size: 10px;
    }
    
    .modal-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .edumaster-cart-modal .modal-body {
        padding: 20px;
    }
}

/* Dark mode desteği */
@media (prefers-color-scheme: dark) {
    :root {
        --edumaster-text: #ffffff;
        --edumaster-text-light: #cccccc;
        --edumaster-bg: #1a1a1a;
        --edumaster-bg-light: #2a2a2a;
        --edumaster-border: #404040;
        --edumaster-shadow: 0 2px 10px rgba(0,0,0,0.3);
    }
}