/* Estilos específicos para el separador de PDF */

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--turtle-white);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(46, 139, 87, 0.1);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, var(--turtle-dark-green) 0%, var(--turtle-green) 100%);
    color: var(--turtle-white);
    padding: 30px;
    text-align: center;
    position: relative;
}

.back-btn {
    position: absolute;
    left: 30px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) translateX(-5px);
}

.header h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.file-limit {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-top: 10px;
    display: inline-block;
}

.main-content {
    padding: 40px;
}

/* Zona de arrastre */
.drop-zone {
    border: 3px dashed var(--turtle-light-green);
    border-radius: 12px;
    padding: 50px 30px;
    text-align: center;
    background: var(--turtle-gray);
    transition: all 0.3s ease;
    cursor: pointer;
    margin-bottom: 30px;
}

.drop-zone:hover {
    border-color: var(--turtle-green);
    background: #e8f5e8;
}

.drop-zone.dragover {
    border-color: var(--turtle-accent);
    background: #f0fff0;
    transform: scale(1.02);
}

.file-icon {
    font-size: 3rem;
    color: var(--turtle-green);
    margin-bottom: 15px;
}

.browse-btn {
    background: var(--turtle-green);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    margin-top: 15px;
}

.browse-btn:hover {
    background: var(--turtle-dark-green);
    transform: translateY(-2px);
}

/* Vista previa del PDF */
.pdf-preview-section {
    margin: 30px 0;
}

.pdf-info {
    background: var(--turtle-gray);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.pdf-meta {
    display: flex;
    gap: 30px;
    font-size: 0.9rem;
    color: var(--turtle-dark-gray);
}

.pdf-preview-container {
    background: var(--turtle-gray);
    border-radius: 12px;
    padding: 20px;
    max-height: 600px;
    overflow-y: auto;
}

.pdf-pages {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.pdf-page {
    background: white;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.pdf-page:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.page-preview {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 10px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--turtle-green);
}

.page-number {
    font-weight: 600;
    color: var(--turtle-dark-green);
}

/* Configuración de nombres */
.naming-section {
    background: var(--turtle-gray);
    padding: 25px;
    border-radius: 12px;
    margin: 30px 0;
}

.naming-options {
    display: flex;
    gap: 30px;
    margin-bottom: 20px;
}

.naming-option {
    display: flex;
    align-items: center;
    gap: 10px;
}

.naming-option input[type="radio"] {
    width: 18px;
    height: 18px;
}

.manual-naming {
    background: white;
    padding: 20px;
    border-radius: 8px;
    border: 2px solid var(--turtle-light-green);
}

.page-names-container {
    display: grid;
    gap: 15px;
    margin-top: 15px;
}

.page-name-input {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px;
    background: var(--turtle-gray);
    border-radius: 6px;
}

.page-label {
    font-weight: 600;
    color: var(--turtle-dark-green);
    min-width: 80px;
}

.page-name-input input {
    flex: 1;
    padding: 8px 12px;
    border: 2px solid var(--turtle-light-green);
    border-radius: 6px;
    font-size: 0.9rem;
}

.page-name-input input:focus {
    outline: none;
    border-color: var(--turtle-green);
}

/* Progreso */
.progress-section {
    margin: 30px 0;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--turtle-dark-green);
}

.progress-container {
    background: var(--turtle-gray);
    border-radius: 10px;
    overflow: hidden;
    height: 8px;
}

.progress-bar {
    height: 100%;
    background: var(--turtle-accent);
    width: 0%;
    transition: width 0.3s ease;
}

/* Botones de acción */
.action-buttons {
    display: flex;
    gap: 15px;
    margin: 30px 0;
}

.action-btn {
    flex: 1;
    padding: 18px;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.process-btn {
    background: var(--turtle-accent);
    color: white;
}

.process-btn:hover:not(:disabled) {
    background: #28a428;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(50, 205, 50, 0.3);
}

.process-btn:disabled {
    background: #cccccc;
    cursor: not-allowed;
    transform: none;
}

.reset-btn {
    background: var(--turtle-gray);
    color: var(--turtle-dark-gray);
    border: 2px solid var(--turtle-light-green);
}

.reset-btn:hover {
    background: #e0e0e0;
    transform: translateY(-3px);
}

/* Resultados */
.results-section {
    margin: 30px 0;
}

.download-options {
    display: flex;
    gap: 15px;
    margin: 20px 0;
    justify-content: center;
}

.download-btn {
    background: var(--turtle-green);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.download-btn:hover {
    background: var(--turtle-dark-green);
    transform: translateY(-2px);
}

.download-btn.secondary {
    background: var(--turtle-light-green);
}

.download-btn.secondary:hover {
    background: var(--turtle-green);
}

.pages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.page-result {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 2px solid var(--turtle-light-green);
}

.page-result:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.page-preview-result {
    width: 100%;
    height: 200px;
    object-fit: contain;
    border-radius: 8px;
    margin-bottom: 15px;
    background: #f8f9fa;
    cursor: pointer;
    border: 1px solid #e0e0e0;
}

.page-info {
    text-align: center;
}

.page-name {
    font-weight: 600;
    color: var(--turtle-dark-green);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.page-download-btn {
    background: var(--turtle-green);
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    width: 100%;
}

.page-download-btn:hover {
    background: var(--turtle-dark-green);
    transform: translateY(-2px);
}

/* Modal */
.page-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.page-modal.show {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 15px;
    max-width: 90%;
    max-height: 90%;
    position: relative;
    padding: 20px;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--turtle-dark-gray);
    z-index: 10;
}

.modal-body {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#modalImage {
    max-width: 100%;
    max-height: 70vh;
    border-radius: 8px;
}

.modal-info {
    margin-top: 15px;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        padding: 20px;
    }
    
    .header h1 {
        font-size: 1.8rem;
    }

    .back-btn {
        position: relative;
        left: 0;
        top: 0;
        transform: none;
        margin-bottom: 15px;
        display: inline-flex;
    }
    
    .pdf-pages {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .naming-options {
        flex-direction: column;
        gap: 15px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .download-options {
        flex-direction: column;
        align-items: center;
    }
    
    .pages-grid {
        grid-template-columns: 1fr;
    }

    .pdf-meta {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .pdf-pages {
        grid-template-columns: 1fr;
    }
    
    .page-name-input {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .page-label {
        min-width: auto;
    }
}