.header {
    background: linear-gradient(135deg, var(--fundo-darker), var(--fundo-card-dark));
    color: var(--texto-primario);
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--sombra_media);
    position: relative;
    overflow: hidden;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--cor-primaria), var(--secondary-color), var(--accent-color));
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 1400px;
    margin: 0 auto;
}



.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo {
    max-height: 60px;
    border-radius: var(--cirular_pequeno);
}

.header-title {
    text-align: left;
}

.header-title h1 {
    font-weight: 700;
    font-size: 2.25rem;
    margin-bottom: 0.25rem;
    letter-spacing: -0.5px;
    background: linear-gradient(90deg, var(--cor-primaria), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-title p {
    font-weight: 300;
    font-size: 1rem;
    opacity: 0.9;
}

.container {
    max-width: 500px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.auth-card {
    background: var(--fundo-card);
    border-radius: var(--cirular_medio);
    box-shadow: var(--sombra_media);
    padding: 2rem;
    transition: var(--transition);
    border: 1px solid var(--cor-da-borda);
    position: relative;
    overflow: hidden;
}

.auth-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--cor-primaria), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.auth-card:hover::after {
    transform: scaleX(1);
}

.auth-title {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--cor-primaria);
    font-size: 1.75rem;
    font-weight: 600;
}

.auth-subtitle {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--texto-secundario);
}

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

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

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--cor-da-borda);
    border-radius: var(--cirular_pequeno);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--texto-primario);
}

.form-input:focus {
    outline: none;
    border-color: var(--cor-primaria);
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1);
}

.input-with-icon {
    position: relative;
}

.input-with-icon i {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    color: var(--texto-secundario);
    cursor: pointer;
}


.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--texto-secundario);
}

.auth-link {
    color: var(--cor-primaria);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.auth-link:hover {
    text-decoration: underline;
}

.error-message {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: none;
    /* Initially hidden */
    min-height: 1em;
    /* Reserve space */
}

.success-message {
    color: var(--success-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: none;
    /* Initially hidden */
}

.loading {
    display: none;
    /* Initially hidden */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.1);
    border-top: 5px solid var(--cor-primaria);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .auth-card {
        padding: 1.5rem;
    }

    .header {
        padding: 1.5rem;
    }

    .header-content {
        flex-direction: column;
        gap: 1rem;
    }


    .header-title {
        text-align: center;
    }

    .header-title h1 {
        font-size: 2rem;
    }
}