/* =====================================================
   EBOOKS ESPECÍFICOS - APRIMORIZZE
   ===================================================== */

/* Variáveis específicas para e-books */
:root {
    --ebook-primary: #2d5aa0;
    --ebook-secondary: #f39c12;
    --ebook-success: #27ae60;
    --ebook-accent: #8e44ad;
    --ebook-gradient: linear-gradient(135deg, var(--ebook-primary) 0%, var(--ebook-accent) 100%);
}

/* =====================================================
   CARDS DE E-BOOKS NO GRID
   ===================================================== */

.blog-post-card.ebook-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9ff 100%);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    overflow: hidden;
}

.blog-post-card.ebook-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--ebook-gradient);
    z-index: 1;
}

.blog-post-card.ebook-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(45, 90, 160, 0.15);
}

/* Badge específico de e-book */
.ebook-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--ebook-gradient);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(45, 90, 160, 0.3);
}

.ebook-badge.free {
    background: var(--ebook-success);
}

.ebook-badge.premium {
    background: var(--ebook-accent);
}

/* Capa do e-book */
.ebook-cover {
    position: relative;
    height: 200px;
    background: linear-gradient(145deg, #f0f3ff 0%, #e6ebff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.ebook-cover img {
    width: 120px;
    height: 160px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
    background: white;
}

.ebook-cover img[src*="placeholder"] {
    width: 100px;
    height: 140px;
    background: linear-gradient(135deg, var(--ebook-primary) 0%, var(--ebook-accent) 100%);
    border-radius: 8px;
    position: relative;
}

.ebook-cover img[src*="placeholder"]::after {
    content: '📄';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: white;
}

.ebook-card:hover .ebook-cover img {
    transform: scale(1.05) rotateY(5deg);
}

.ebook-cover-fallback {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 160px;
    background: linear-gradient(135deg, var(--ebook-primary) 0%, var(--ebook-accent) 100%);
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    color: white;
    text-align: center;
    transition: transform 0.3s ease;
}

.ebook-card:hover .ebook-cover-fallback {
    transform: scale(1.05) rotateY(5deg);
}

/* Metadados do e-book */
.ebook-metadata {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1rem 0 0.5rem 0;
    font-size: 0.8rem;
    color: var(--ebook-primary);
}

.ebook-metadata .meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.ebook-metadata .meta-item i {
    font-size: 0.9rem;
}

/* Botão de download */
.ebook-download-btn {
    width: 100%;
    background: var(--ebook-gradient);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    margin-top: 1rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.ebook-download-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 ease;
}

.ebook-download-btn:hover::before {
    left: 100%;
}

.ebook-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45, 90, 160, 0.3);
}

.ebook-download-btn.premium {
    background: var(--ebook-accent);
}

/* Ações do e-book */
.ebook-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: auto;
}

.ebook-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--laranja-suave);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transicao);
}

.ebook-read-more:hover {
    color: #e67e22;
    gap: 0.8rem;
}

/* =====================================================
   MODAL DE DOWNLOAD
   ===================================================== */

.ebook-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    backdrop-filter: blur(5px);
}

.ebook-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: modalFadeIn 0.3s ease;
}

.ebook-modal-content {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

.ebook-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
}

.ebook-modal-close:hover {
    color: #333;
}

.ebook-modal-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.ebook-modal-header h3 {
    color: var(--ebook-primary);
    margin-bottom: 0.5rem;
}

.ebook-modal-header p {
    color: #666;
    font-size: 0.9rem;
}

.ebook-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ebook-form-group {
    display: flex;
    flex-direction: column;
}

.ebook-form-group label {
    font-weight: 600;
    color: var(--ebook-primary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.ebook-form-group input,
.ebook-form-group select {
    padding: 12px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.ebook-form-group input:focus,
.ebook-form-group select:focus {
    outline: none;
    border-color: var(--ebook-primary);
    box-shadow: 0 0 0 3px rgba(45, 90, 160, 0.1);
}

.ebook-submit-btn {
    background: var(--ebook-gradient);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.ebook-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45, 90, 160, 0.3);
}

.ebook-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* =====================================================
   PÁGINA INDIVIDUAL DE E-BOOK
   ===================================================== */

.ebook-single-container {
    padding: 2rem 0;
    margin-top: 80px;
}

.ebook-hero {
    background: var(--ebook-gradient);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.ebook-hero-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.ebook-cover-large {
    flex-shrink: 0;
}

.ebook-cover-large img {
    width: 200px;
    height: 267px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.ebook-info {
    text-align: left;
    flex: 1;
}

.ebook-info h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.ebook-info p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.ebook-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.ebook-stat {
    text-align: center;
}

.ebook-stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
}

.ebook-stat-label {
    font-size: 0.8rem;
    opacity: 0.8;
}

.ebook-cta-large {
    background: white;
    color: var(--ebook-primary);
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.ebook-cta-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

/* Seções de conteúdo */
.ebook-content-section {
    padding: 3rem 0;
}

.ebook-content-section h2 {
    color: var(--ebook-primary);
    text-align: center;
    margin-bottom: 2rem;
}

.ebook-preview {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 2rem;
    text-align: left;
}

.ebook-preview-content h4 {
    color: var(--ebook-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.preview-sections {
    display: grid;
    gap: 2rem;
}

.preview-section {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.preview-section h5 {
    color: var(--ebook-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.preview-section ul {
    list-style: none;
    padding: 0;
}

.preview-section li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 1.5rem;
}

.preview-section li:last-child {
    border-bottom: none;
}

.preview-section li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--ebook-success);
    font-weight: bold;
}

.preview-highlight {
    background: linear-gradient(135deg, var(--ebook-primary), var(--ebook-accent));
    color: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.preview-highlight h5 {
    color: white;
    margin-bottom: 1rem;
}

.preview-highlight blockquote {
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 1rem 0;
    padding: 0;
    border: none;
}

.preview-highlight cite {
    font-size: 0.9rem;
    opacity: 0.9;
}

.ebook-chapters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.ebook-chapter {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--ebook-primary);
}

.ebook-chapter h4 {
    color: var(--ebook-primary);
    margin-bottom: 0.5rem;
}

/* =====================================================
   ANIMAÇÕES
   ===================================================== */

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

@keyframes modalSlideIn {
    from { 
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to { 
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* =====================================================
   E-BOOKS EM DESTAQUE
   ===================================================== */

.featured-post-card.ebook-featured {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9ff 100%);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    overflow: hidden;
}

.featured-post-card.ebook-featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--ebook-gradient);
    z-index: 1;
}

.ebook-featured-badge {
    background: var(--ebook-gradient) !important;
    color: white !important;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ebook-featured-download {
    background: var(--ebook-gradient);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 1rem;
}

.ebook-featured-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45, 90, 160, 0.3);
}

.ebook-featured-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: var(--ebook-gradient);
    border-radius: 8px;
}

/* =====================================================
   RESPONSIVIDADE
   ===================================================== */

@media (max-width: 768px) {
    .ebook-hero-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .ebook-info h1 {
        font-size: 2rem;
    }
    
    .ebook-stats {
        justify-content: center;
    }
    
    .ebook-modal-content {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .ebook-cover-large img {
        width: 150px;
        height: 200px;
    }
    
    .ebook-chapters {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .ebook-info h1 {
        font-size: 1.5rem;
    }
    
    .ebook-cover img {
        width: 100px;
        height: 133px;
    }
    
    .ebook-stats {
        flex-direction: column;
        gap: 1rem;
    }
}