/* Reset e Variáveis */
:root {
    /* Cores Principais */
    --primary-color: #2E7D32;
    /* Verde Escuro mais suave - Cor principal */
    --secondary-color: #4CAF50;
    /* Verde Médio mais suave - Cor secundária */
    --accent-color: #FFC107;
    /* Dourado mais suave - Cor de destaque */
    --white: #FFFFFF;
    /* Branco */
    --black: #000000;
    /* Preto */

    /* Variações de Verde */
    --primary-light: #43A047;
    /* Verde principal mais claro */
    --primary-dark: #1B5E20;
    /* Verde principal mais escuro */
    --secondary-light: #81C784;
    /* Verde secundário mais claro */
    --secondary-dark: #388E3C;
    /* Verde secundário mais escuro */

    /* Cores de Estado */
    --success-color: #66BB6A;
    --error-color: #EF5350;
    --warning-color: #FFB74D;
    --info-color: #42A5F5;

    /* Cores de Texto */
    --text-primary: #1B5E20;
    --text-secondary: #424242;
    --text-light: #757575;
    --text-white: var(--white);

    /* Cores de Background */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F5;
    --bg-light: #E8F5E9;
    --bg-dark: var(--primary-color);

    /* Cores de Borda */
    --border-color: #E0E0E0;
    --border-focus: var(--primary-color);
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav {
    display: flex;
    align-items: left;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.auth-buttons {
    display: flex;
    gap: 1rem;
}

/* Botões */
.btn {
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

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

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

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

.btn.secondary:hover {
    background-color: var(--secondary-light);
}

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

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

.btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Seções */
.section {
    padding: 4rem 0;
}

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

/* Grids */
.ebooks-grid,
.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    padding: 1rem;
}

.ebook-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.ebook-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.ebook-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}

.ebook-card .content {
    padding: 1.5rem;
}

.ebook-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    line-height: 1.4;
}

.ebook-card .author {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.ebook-card .purchase-date {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.ebook-card .price {
    font-weight: bold;
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* Sorteios */
.raffles-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.raffle-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.raffle-card:hover {
    transform: translateY(-5px);
}

.raffle-header {
    padding: 1rem;
    background: #f8f9fa;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.raffle-header h3 {
    margin: 0;
    font-size: 1.2rem;
    color: #333;
}

.raffle-status {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
}

.raffle-status.active {
    background: #28a745;
    color: white;
}

.raffle-status.pending {
    background: #ffc107;
    color: #333;
}

.raffle-status.completed {
    background: #17a2b8;
    color: white;
}

.raffle-status.cancelled {
    background: #dc3545;
    color: white;
}

.raffle-content {
    padding: 1rem;
}

.raffle-description {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.raffle-details {
    display: grid;
    gap: 1rem;
}

.prize,
.dates,
.quotas {
    display: grid;
    gap: 0.5rem;
}

.date-item,
.quota-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.label {
    color: #666;
    font-size: 0.9rem;
}

.value {
    font-weight: bold;
    color: var(--primary-color);
}

.raffle-actions {
    padding: 1rem;
    display: flex;
    gap: 1rem;
    border-top: 1px solid #eee;
}

.no-raffles {
    text-align: center;
    padding: 2rem;
    color: #666;
    font-size: 1.1rem;
    grid-column: 1 / -1;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-y: auto;
    padding: 20px;
}

.modal-content {
    background-color: var(--white);
    border-radius: 8px;
    padding: 2rem;
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 40px auto;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    transition: color 0.3s ease;
}

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

.modal h2 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-size: 1.8rem;
    text-align: center;
}

/* Formulários de Autenticação */
.auth-form {
    max-width: 400px;
    margin: 0 auto;
}

.auth-form .form-group {
    margin-bottom: 1.5rem;
}

.auth-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.auth-form input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.auth-form input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.auth-form button[type="submit"] {
    width: 100%;
    padding: 0.75rem;
    margin-top: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.auth-form .form-footer {
    margin-top: 1.5rem;
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.auth-form .form-footer p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.auth-form .form-footer .btn {
    width: auto;
    min-width: 150px;
}

/* Validação de Formulário */
.form-group .validation-message {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.form-group.error input {
    border-color: var(--error-color);
}

.form-group.error .validation-message {
    display: block;
}

/* Responsividade dos Modais */
@media (max-width: 768px) {
    .modal {
        padding: 1rem;
    }

    .modal-content {
        margin: 1rem auto;
        padding: 1.5rem;
    }

    .auth-form {
        padding: 0;
    }
}

/* Formulários */
.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(46, 125, 50, 0.1);
    outline: none;
}

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

.payment-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.payment-options label:hover {
    background-color: var(--bg-light);
}

.payment-options input[type="radio"] {
    margin: 0;
}

.total-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--bg-light);
    border-radius: 4px;
    margin: 1.5rem 0;
}

.total-price .label {
    font-weight: 600;
    color: var(--text-color);
}

.total-price .value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border-radius: 4px;
    box-shadow: var(--shadow);
    padding: 1rem;
    min-width: 200px;
    display: none;
}

.user-menu:hover .user-dropdown {
    display: block;
}

.user-dropdown a {
    display: block;
    padding: 0.5rem 0;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.user-dropdown a:hover {
    color: var(--secondary-color);
}

.logout-btn {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 0.5rem 0;
    color: var(--error-color);
    cursor: pointer;
    font-size: 1rem;
}

/* Purchase Info */
.purchase-info {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.purchase-info img {
    width: 150px;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
}

.purchase-details {
    flex: 1;
}

.total-price {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin: 1rem 0;
    text-align: right;
}

/* Responsividade */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav {
        margin: 1rem 0;
    }

    .nav-links {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .hero {
        padding: 6rem 0 3rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .modal-content {
        width: 95%;
        margin: 1rem auto;
    }
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 24px;
    border-radius: 8px;
    color: var(--white);
    font-weight: 500;
    z-index: 9999;
    opacity: 0;
    transform: translateY(100%);
    animation: slideIn 0.3s ease forwards;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-width: 400px;
    word-break: break-word;
}

.toast.success {
    background-color: var(--success-color);
}

.toast.error {
    background-color: var(--error-color);
}

.toast.warning {
    background-color: var(--warning-color);
}

@keyframes slideIn {
    0% {
        opacity: 0;
        transform: translateY(100%);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form Validation Styles */
.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group input:invalid {
    border-color: var(--error-color);
}

.form-group input:valid {
    border-color: var(--success-color);
}

.form-group .validation-message {
    position: absolute;
    bottom: -20px;
    left: 0;
    font-size: 0.8rem;
    color: var(--error-color);
}

/* Auth Forms Enhancement */
.auth-form {
    position: relative;
}

.auth-form .form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-form .form-header h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.auth-form .form-header p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.auth-form .form-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.auth-form .form-footer p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.auth-form .social-login {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.auth-form .social-login button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--white);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.auth-form .social-login button:hover {
    background: var(--bg-light);
    border-color: var(--primary-color);
}

.auth-form .social-login button i {
    margin-right: 8px;
}

/* User Menu Enhancement */
.user-info {
    position: relative;
}

.user-menu {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.user-menu:hover {
    background: var(--bg-light);
}

.user-menu i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
    min-width: 200px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown a,
.user-dropdown button {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.user-dropdown a:hover,
.user-dropdown button:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

.user-dropdown i {
    margin-right: 8px;
    font-size: 1rem;
}

.user-dropdown .logout-btn {
    border-top: 1px solid var(--border-color);
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    color: var(--error-color);
}

.user-dropdown .logout-btn:hover {
    background: var(--error-color);
    color: var(--white);
}

/* Perfil */
.profile-section {
    padding: 8rem 0 4rem;
    min-height: 100vh;
}

.profile-container {
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.profile-header {
    display: flex;
    align-items: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.profile-avatar {
    margin-right: 2rem;
    text-align: center;
}

.profile-avatar i {
    font-size: 5rem;
    margin-bottom: 1rem;
    display: block;
}

.profile-info h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.profile-info p {
    opacity: 0.8;
    margin-bottom: 1rem;
}

.profile-stats {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
}

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

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.profile-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    padding: 1rem 2rem;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-light);
    transition: all 0.3s;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.tab-content {
    padding: 2rem;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.profile-form {
    max-width: 600px;
    margin: 0 auto;
}

.profile-form .form-group {
    margin-bottom: 1.5rem;
}

.profile-form textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    resize: vertical;
}

/* Histórico de Compras */
.purchase-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.purchase-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.purchase-status {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.purchase-status.completed {
    background-color: var(--success-color);
    color: var(--white);
}

.purchase-status.pending {
    background-color: #f39c12;
    color: var(--white);
}

.purchase-content {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.purchase-content img {
    width: 100px;
    height: 150px;
    object-fit: cover;
    border-radius: 4px;
}

.purchase-details {
    flex: 1;
}

.purchase-details h3 {
    margin-bottom: 0.5rem;
}

.purchase-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Modal de Cotas */
.tickets-list {
    max-height: 400px;
    overflow-y: auto;
    margin-top: 1rem;
}

.ticket-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.ticket-number {
    font-weight: 500;
}

.ticket-status {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.ticket-status.active {
    background-color: var(--success-color);
    color: var(--white);
}

.ticket-status.used {
    background-color: var(--error-color);
    color: var(--white);
}

/* Responsividade */
@media (max-width: 768px) {
    .profile-header {
        flex-direction: column;
        text-align: center;
    }

    .profile-avatar {
        margin-right: 0;
        margin-bottom: 1rem;
    }

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

    .profile-tabs {
        overflow-x: auto;
        white-space: nowrap;
    }

    .purchase-content {
        flex-direction: column;
    }

    .purchase-content img {
        width: 100%;
        height: auto;
    }

    .purchase-actions {
        flex-direction: column;
    }
}

/* Detalhes do E-book */
.ebook-details-section {
    padding: 8rem 0 4rem;
    min-height: 100vh;
}

.ebook-details-container {
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.ebook-header {
    display: flex;
    padding: 2rem;
    gap: 2rem;
}

.ebook-cover {
    flex: 0 0 300px;
}

.ebook-cover img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.ebook-info {
    flex: 1;
}

.ebook-info h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.ebook-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.ebook-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ebook-price {
    margin-bottom: 2rem;
}

.ebook-price .price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-right: 1rem;
}

.ebook-price .raffle-info {
    color: var(--accent-color);
    font-weight: 500;
}

.ebook-actions {
    display: flex;
    gap: 1rem;
}

.ebook-content {
    padding: 2rem;
    border-top: 1px solid var(--border-color);
}

.ebook-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.description-content,
.preview-content {
    line-height: 1.8;
}

/* Avaliações */
.reviews-container {
    max-width: 800px;
    margin: 0 auto;
}

.reviews-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.rating-summary {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.average-rating {
    text-align: center;
}

.rating-value {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.rating-stars {
    color: #ffd700;
    margin: 0.5rem 0;
}

.total-reviews {
    color: var(--text-light);
}

.review-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.review-rating {
    color: #ffd700;
}

.review-date {
    color: var(--text-light);
    font-size: 0.9rem;
}

.review-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.review-content {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
}

/* Input de Avaliação */
.rating-input {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.rating-input i {
    font-size: 1.5rem;
    color: #ffd700;
    cursor: pointer;
    transition: transform 0.2s;
}

.rating-input i:hover {
    transform: scale(1.2);
}

/* Responsividade */
@media (max-width: 768px) {
    .ebook-header {
        flex-direction: column;
    }

    .ebook-cover {
        flex: 0 0 auto;
        max-width: 300px;
        margin: 0 auto;
    }

    .ebook-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .ebook-actions {
        flex-direction: column;
    }

    .reviews-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .rating-summary {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Card Actions */
.card-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.card-actions .btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
}

.card-actions .btn i {
    font-size: 1rem;
}

/* Estilos Gerais */
body {
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

/* Header */
.header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
}

.header.scrolled {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Cards */
.card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
}

.card:hover {
    border-color: var(--primary-color);
}

/* Status Badges */
.status {
    background-color: var(--bg-light);
}

.status.active {
    background-color: var(--success-color);
    color: var(--primary-color);
}

.status.ended {
    background-color: var(--error-color);
    color: var(--white);
}

.status.pending {
    background-color: var(--warning-color);
    color: var(--text-secondary);
}

/* Forms */
input:focus,
select:focus,
textarea:focus {
    border-color: var(--border-focus);
}

/* Links */
a {
    color: var(--primary-color);
}

a:hover {
    color: var(--primary-light);
}

/* Tabs */
.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Preços e Valores */
.price,
.value {
    color: var(--primary-color);
}

/* Elementos de Destaque */
.highlight {
    color: var(--accent-color);
}

/* Modal */
.modal-header {
    border-bottom-color: var(--border-color);
}

.modal-footer {
    border-top-color: var(--border-color);
}

.footer-section a {
    text-decoration: none !important;
    color: var(--white) !important;
}

.footer-section a:hover {
    color: var(--primary-light) !important;
}

/* Loading States */
.btn.loading {
    position: relative;
    cursor: not-allowed;
    opacity: 0.8;
}

.btn.loading i {
    margin-right: 8px;
    animation: spin 1s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* Register Form Specific */
#registerForm {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#registerForm h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

#registerForm .btn {
    width: 100%;
    margin-top: 1rem;
    padding: 0.75rem;
    font-size: 1rem;
}

/* Estados da Biblioteca */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
    font-size: 1.1rem;
    grid-column: 1 / -1;
}

.error-message {
    text-align: center;
    padding: 2rem;
    color: var(--error-color);
    grid-column: 1 / -1;
}

.error-message i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.error-message p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.empty-library {
    text-align: center;
    padding: 3rem;
    background: var(--bg-light);
    border-radius: 8px;
    grid-column: 1 / -1;
}

.empty-library i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.empty-library h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.empty-library p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Biblioteca */
.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.ebook-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.ebook-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.ebook-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}

.ebook-card .content {
    padding: 1.5rem;
}

.ebook-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    line-height: 1.4;
}

.ebook-card .author {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.ebook-card .purchase-date {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.card-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.card-actions .btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
}

.card-actions .btn i {
    font-size: 1rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .library-grid {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    .ebook-card img {
        height: 180px;
    }

    .card-actions {
        flex-direction: column;
    }
}