/* Estilos para páginas de autenticação */

.auth-main {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    position: relative;
}

.auth-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="authPattern" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,107,53,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23authPattern)"/></svg>') repeat;
    opacity: 0.5;
}

.auth-container {
    width: 100%;
    max-width: 500px;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.auth-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-2xl);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--secondary-color));
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.auth-logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--spacing-md);
}

.auth-header h1 {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 2rem;
}

.auth-header p {
    color: var(--gray-600);
    margin-bottom: 0;
    font-size: 1.1rem;
}

.auth-form {
    margin-bottom: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-group input.error {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.field-error {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.field-error::before {
    content: '⚠';
    font-size: 1rem;
}

.form-help {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
    display: block;
}

.password-input {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.password-toggle:hover {
    color: var(--primary-color);
    background-color: var(--gray-100);
}

.password-strength {
    margin-top: var(--spacing-xs);
    height: 4px;
    background-color: var(--gray-200);
    border-radius: 2px;
    overflow: hidden;
    transition: var(--transition);
}

.password-strength::after {
    content: '';
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--danger-color), var(--warning-color), var(--success-color));
    transition: var(--transition);
}

.password-strength.weak::after {
    width: 33%;
    background-color: var(--danger-color);
}

.password-strength.medium::after {
    width: 66%;
    background-color: var(--warning-color);
}

.password-strength.strong::after {
    width: 100%;
    background-color: var(--success-color);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.95rem;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: var(--white);
    font-size: 12px;
    font-weight: bold;
}

.forgot-link {
    color: var(--primary-color);
    font-size: 0.875rem;
    text-decoration: none;
    transition: var(--transition);
}

.forgot-link:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.btn-full {
    width: 100%;
}

.auth-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

.auth-footer p {
    margin: 0;
    color: var(--gray-600);
}

.auth-footer a {
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.auth-footer a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.social-login {
    margin-top: var(--spacing-xl);
}

.divider {
    position: relative;
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--gray-300);
}

.divider span {
    background-color: var(--white);
    padding: 0 var(--spacing-md);
    color: var(--gray-500);
    font-size: 0.875rem;
    position: relative;
    z-index: 1;
}

.social-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border: 2px solid var(--gray-300);
    background-color: var(--white);
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition);
}

.btn-social:hover {
    border-color: var(--gray-400);
    background-color: var(--gray-50);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-google:hover {
    border-color: #4285F4;
    color: #4285F4;
}

.btn-facebook:hover {
    border-color: #1877F2;
    color: #1877F2;
}

.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    border: 1px solid;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.alert::before {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.alert-error {
    background-color: #FEF2F2;
    border-color: #FECACA;
    color: #991B1B;
}

.alert-error::before {
    content: '❌';
}

.alert-success {
    background-color: #F0FDF4;
    border-color: #BBF7D0;
    color: #166534;
}

.alert-success::before {
    content: '✅';
}

.alert-warning {
    background-color: #FFFBEB;
    border-color: #FED7AA;
    color: #92400E;
}

.alert-warning::before {
    content: '⚠️';
}

.alert-info {
    background-color: #EFF6FF;
    border-color: #BFDBFE;
    color: #1E40AF;
}

.alert-info::before {
    content: 'ℹ️';
}

/* Loading state */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    color: var(--white);
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Responsividade */
@media (max-width: 768px) {
    .auth-container {
        max-width: 100%;
        padding: 0 var(--spacing-sm);
    }
    
    .auth-card {
        padding: var(--spacing-xl);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .auth-header h1 {
        font-size: 1.75rem;
    }
    
    .social-buttons {
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .auth-main {
        padding: var(--spacing-md) 0;
    }
    
    .auth-card {
        padding: var(--spacing-lg);
        margin: var(--spacing-sm);
    }
    
    .auth-header h1 {
        font-size: 1.5rem;
    }
    
    .auth-logo {
        height: 50px;
    }
}

/* Animações */
.auth-card {
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-group {
    animation: fadeIn 0.6s ease-out;
    animation-fill-mode: both;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }
.form-group:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}